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Build your own Zoom alternative with MiroTalk SFU, an open-source, self-hosted WebRTC platform powered by Mediasoup for scalable video meetings.

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Updated: 2026-09-27 08:00 Language: English (default) Access: Normal

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What is MiroTalk SFU?

MiroTalk SFU is a free, open-source WebRTC video conferencing platform that you host yourself. It is built on Mediasoup, a selective forwarding unit (SFU) media server, which is what lets one meeting scale to many participants without each person sending their video separately to everyone else. The pitch on the site is a browser-based "Zoom alternative": participants join a room by name from a browser with no download, plug-in, or login, and the platform advertises unlimited rooms and users with no call time limit.

What you get in a meeting

The page lists a fairly complete meeting toolkit: screen sharing, webcam streaming (up to 8K at 60fps), audio with echo cancellation and noise suppression, in-meeting chat with emoji, browser-based recording of screen/video/audio, a collaborative whiteboard, file sharing, virtual backgrounds, AI avatars, and a ChatGPT-style assistant. It also supports RTMP streaming, so you can push a webcam, a screen share, or an external URL to a live audience, and it exposes a REST API for embedding or automating.

Privacy and security

Because you run the server, media stays on your infrastructure. The site states that it does not collect or share personal information, and that WebRTC encrypts media streams with SRTP. For a team handling sensitive calls, that combination—self-hosting plus transport encryption—is the main reason to choose it over a hosted service.

Who it suits, and the trade-off

Situation MiroTalk SFU fits?
You want a private, self-hosted meeting tool Yes
You have someone to run and update a server Yes
You want a zero-setup hosted service No
You need a vendor to manage uptime and scaling No

The trade-off is operational: "free" here means you supply the server, bandwidth, and maintenance. A practical next step is to try a public demo room to judge call quality, then check the project's repository for deployment requirements before committing a team to it. If you want to compare the broader category, Jitsi is another well-known self-hostable option.

How do I self-host MiroTalk SFU on my own server?

Self-hosting MiroTalk SFU means running the server component yourself rather than using a hosted meeting service. According to the project page, it is an open-source WebRTC platform built on Mediasoup, so the self-hosted instance handles the selective forwarding of media streams between participants while browsers connect directly. The page also states that no download, plug-in, or login is required for participants, and that media is encrypted with SRTP.

What you'll need

  • A server with a public IP address and a domain name, so browsers can reach it over HTTPS.
  • Node.js and npm (or Docker, if you prefer containerized deployment), since MiroTalk SFU is a Node-based application.
  • A TLS certificate for your domain. WebRTC requires a secure context, so HTTPS is effectively mandatory in practice.
  • Open ports for HTTP/HTTPS and for WebRTC media. The exact port range depends on your Mediasoup configuration; check the project's documentation rather than guessing.

General steps

  1. Clone the MiroTalk SFU repository from its official source.
  2. Install dependencies and review the configuration file (often a .env or config.js) for host, port, and media settings.
  3. Set your domain and TLS certificate paths, and configure the announced IP so remote participants can connect.
  4. Start the server, then test a room from a different network to confirm media flows both ways.
  5. Put a reverse proxy such as Nginx in front if you want to terminate TLS and manage subdomains cleanly.

Practical considerations

The page emphasizes unlimited rooms and users with no call-time limit, which is attractive for teams that want to avoid per-minute costs. The trade-off is operational: you own uptime, updates, and bandwidth. A single small VPS can host a modest meeting, but larger calls need more CPU and a properly sized media port range. Features listed on the page — screen sharing, chat, recording to browser storage, whiteboard, file sharing, RTMP broadcasting, and virtual backgrounds — are handled by the application itself, so they don't require extra services.

For the authoritative setup commands and current configuration options, start with the project's own repository and documentation rather than third-party tutorials, which may lag behind releases.

How does MiroTalk SFU compare to Zoom for hosting video meetings?

MiroTalk SFU is a self-hosted, open-source WebRTC platform, so the real difference from Zoom is who runs the infrastructure. With Zoom, you join someone else's cloud service. With MiroTalk SFU, you or your team deploy the server, and the page describes unlimited rooms and users with no call-time limit. That control is the main appeal — and the main trade-off, since you also take on hosting, updates and support.

Where each fits

Choose MiroTalk SFU when:

  • You want meetings to stay on infrastructure you control. The page states data stays between you and participants and that media streams are encrypted with SRTP.
  • You need many rooms or long sessions without per-meeting time caps.
  • You want to embed calling into your own app via its Rest API, or run live events with RTMP streaming.
  • Your participants can join from a browser — the page says no download, plug-in or login is required.

Choose Zoom when:

  • You want a managed service with no server to run, and broad familiarity among outside guests.
  • You rely on a mature ecosystem of integrations, calendar tools and enterprise administration.
  • You don't want to handle deployment, scaling or troubleshooting yourself.

Feature overlap and gaps

MiroTalk SFU covers the core meeting basics: screen sharing, webcam and audio streaming with echo cancellation and noise suppression, chat with emoji, browser-based recording, a collaborative whiteboard, file sharing and virtual backgrounds. It also lists less common extras: broadcasting, RTMP streaming, ChatGPT video AI and AI avatars. Zoom's strength is not a longer feature list but the reliability and polish of a hosted product that most people already know how to use.

A practical test

Run one real meeting on each before deciding. Host a 30-minute call with an external guest on MiroTalk SFU and note three things: how long setup took, whether the guest joined without instructions, and how the audio and screen share held up. If your team lacks someone to run the server, that first step is often the deciding factor. For a quick look at the project, see MiroTalk SFU.

What hardware and bandwidth are required to run MiroTalk SFU?

MiroTalk SFU runs in a browser, so the client-side hardware bar is low: any modern desktop or laptop with a webcam, microphone and a browser that supports WebRTC should work. The page also claims compatibility with "all browsers and platforms," and notes webcam streaming up to 8K at 60fps, which is a capability statement rather than a requirement. In practice, a 720p webcam and a headset will be enough for most meetings; 8K capture only matters if your camera, CPU and network can all sustain it.

The real hardware question is the server, not the participants. MiroTalk SFU is self-hosted and built on Mediasoup, an SFU (Selective Forwarding Unit). Unlike a peer-to-peer mesh, each participant sends one upstream stream to the server and the server forwards it to everyone else, so the server's CPU and bandwidth scale with the number of concurrent streams rather than with each viewer's connection. That is what makes large rooms feasible, but it also means you must size the host for your expected peak.

Bandwidth, roughly

Role What drives usage
Participant (send) One upstream stream per person, sized to your chosen resolution
Participant (receive) One downstream stream per other active speaker or shared tile
Server Aggregate of all inbound streams plus all outbound forwarded streams

A rough planning rule: budget for the server's outbound bandwidth as roughly (number of participants) × (per-stream bitrate) × (number of streams each participant receives). A 10-person 720p call is modest; a 100-person all-camera call is not, because outbound multiplies quickly. Screen sharing, recording and RTMP broadcasting add load on top.

What to check before you commit

  • Server CPU: SFU forwarding is light per stream but adds up; a small VPS may struggle past a handful of simultaneous camera feeds.
  • Server uplink: outbound bandwidth is usually the first bottleneck, not CPU.
  • Your own upload: each participant needs enough upstream for their own camera plus downstream for everyone they see.
  • Features you enable: recording, the collaborative whiteboard, file sharing and RTMP streaming all consume server resources.

Practical next step

Estimate your peak concurrent participants and their target resolution, then test with that many real clients on your intended host before relying on it. If you only need small meetings, a modest server is fine; if you expect many camera-on participants, prioritize a host with a strong network uplink. For a browser-based alternative to compare against, see Jitsi Meet.

How does MiroTalk SFU protect meeting privacy and encrypt media streams?

MiroTalk SFU protects meetings mainly through WebRTC's built-in media encryption and a self-hosted architecture that keeps data off third-party servers.

Encryption in transit

According to the page, all media streams are encrypted using Secure Real-time Transport Protocol (SRTP). SRTP is the standard encryption layer for WebRTC audio and video, so the media travelling between participants is protected in transit. The site also states that data stays between you and your participants and that it does not collect or share personal information.

What self-hosting changes

Because MiroTalk SFU is open source and self-hosted, the operator of the instance controls the server, the room data and any recordings. That is the key privacy trade-off:

Aspect Self-hosted MiroTalk SFU Typical hosted meeting service
Media path Through your own SFU server Through the vendor's cloud
Who controls recordings You / your instance admin The vendor's platform
Account requirement Page says no login required to join Usually an account
Privacy responsibility Falls on whoever runs the server Shared with the vendor

Practical limits to keep in mind

SRTP protects streams in transit, but it does not automatically encrypt recordings saved to disk, nor does it control who in the room can record, share files or broadcast. The page lists meeting recording, file sharing, screen sharing and RTMP broadcasting as features, so an instance admin should configure access rules and storage deliberately. Room names also function as the entry point, so choosing a guessable name weakens practical privacy even when the transport is encrypted.

Next step

If privacy is the deciding factor, ask the person hosting your instance two questions: where recordings and shared files are stored, and whether room access is restricted by password or waiting room. For a managed alternative with a published privacy programme, compare Zoom or Google Meet; for a self-hosted option, look at Jitsi.

Can I integrate MiroTalk SFU into my own application using its REST API?

Yes. MiroTalk SFU exposes a REST API that lets you create and manage rooms and meetings programmatically, so you can embed video conferencing inside your own product rather than sending users to a separate site. The page lists "Rest API" among its features and describes it as a way to "seamlessly integrate and power your applications," alongside a note about quick setup and support.

What you can realistically build

  • A "Start meeting" button in your app that provisions a room and returns a join link.
  • Scheduled sessions: create rooms ahead of time for classes, clinics, or interviews.
  • Your own front end (web or mobile) that handles accounts and permissions, while MiroTalk SFU handles the media.
  • Optional extras you can trigger from your workflow: recording, screen sharing, file sharing, collaborative whiteboard, RTMP broadcasting, and virtual backgrounds.

Good fit if

  • You want browser-based calls with no downloads, plug-ins, or logins for participants.
  • You need many rooms and participants without call-time limits, as the page states.
  • Privacy and control matter: media stays between participants, and streams are encrypted with SRTP over WebRTC.
  • You can host and maintain the service yourself, since it is self-hosted and open source.

Trade-offs to weigh

  • Self-hosting means you own deployment, scaling, TLS, and updates; an SFU-based setup needs more server capacity than a simple peer-to-peer call.
  • A REST API covers room and meeting control, not your product's user management, billing, or analytics — you build those.
  • Browser compatibility is broad, but corporate networks that block WebRTC traffic can still cause trouble.
  • Pricing and exact API endpoints, authentication, and rate limits are not specified on the page, so confirm them in the project's documentation before committing.

Next step

Prototype the smallest loop: call the API to create a room, return the join URL to a test user, and confirm audio, video, and screen sharing work from your app's domain. If that loop is smooth, add scheduling and recording; if your team cannot host and scale an SFU, compare a managed service instead. For source details and API docs, see MiroTalk SFU.

Related questions

More questions →
What to Look for in a Video Platform Beyond Hosting and Sharing

If you're evaluating a video platform for a small business or marketing team, hosting and sharing are just the entry point. The features that actually determine whether a platform fits your workflow fall into four areas: privacy and playback control, collaboration and review tools, marketing and analytics capabilities, and practical limits like storage and mobile support. Most general-purpose tools (cloud storage, social networks, free hosts) cover hosting well but leave gaps in the other three. This guide walks through what each area means in practice, so you can map features to your own situation instead of comparing endless checklists.

Start by separating three jobs: hosting, editing, and marketing

Video platforms tend to bundle three distinct functions, and confusion usually comes from mixing them up:

  • Hosting — storing a file, generating a player, delivering it reliably to viewers. This is the baseline.
  • Editing — trimming, assembling, adding captions or branding. Some platforms include basic editors; others expect you to edit elsewhere and upload the result.
  • Marketing and business features — privacy controls, lead capture, calls to action, analytics, team review workflows. These are what separate a "video host" from a "video platform."

A useful exercise: write down your last five video tasks (a product demo, a client pitch, a social clip, an internal training, a landing page embed). For each one, note which of the three jobs it required. If most of your tasks stop at hosting, a lighter tool may be enough. If several involve review cycles, gated access, or measuring viewer behavior, a fuller platform earns its cost.

Privacy and playback control: the business-vs-social divide

On social platforms, everything is public by default and wrapped in ads and recommendations. For business use, that's often the opposite of what you want. Look for:

  • Granular privacy settings — can you restrict a video to specific people, a password, a domain, or an embed location? Can you make it unlisted but still embeddable?
  • Ad-free playback — your product demo shouldn't end with a competitor's ad or an unrelated recommendation.
  • Customizable embeds — control over player color, logo, and whether related videos appear. This matters when the video sits on your own site and represents your brand.
  • Domain-level restrictions — the ability to limit playback to your own website prevents your content from being re-embedded elsewhere.

If your videos are purely promotional and public, these controls matter less. If you share client work, internal training, or pre-release material, they become the deciding factor.

Collaboration and review: the most common gap

This is where general-purpose tools most often fall short. A shared drive lets people comment on a file, but it doesn't give you a structured review process. A dedicated platform typically offers:

  • Timestamped comments — feedback attached to a specific moment in the video, so "the logo looks off" points to an exact frame.
  • Versioning — uploading a new cut while keeping the old one, so reviewers can see what changed.
  • Approval status — a clear "approved" or "needs changes" state rather than a scattered email thread.
  • Role-based access — reviewers who can comment but not download or reshare.

When this becomes relevant: as soon as more than two people need to sign off on a video, or when you're producing videos on a recurring schedule. For a solo operator publishing once a month, a simple comment thread may be sufficient.

Analytics and lead capture: beyond view counts

A raw view count tells you almost nothing actionable. Business-oriented platforms go further:

Feature What it tells you When it matters
Watch time / engagement graph Where viewers drop off Improving content or editing
Viewer identity Who watched (when gated) Sales follow-up, internal training
Lead capture forms Email collected before or during playback Demand generation
Calls to action Click-through to a page or booking link Converting viewers
Embed/domain reports Where your video is being watched Tracking campaign performance

If your goal is brand awareness, basic view counts may be fine. If you're using video to generate leads or train staff, the deeper metrics are the reason to choose a platform over a free host.

Practical limits that affect daily use

Feature lists rarely mention the constraints that cause friction later. Check these before committing:

  • Storage and bandwidth limits — how much you can upload, and whether high viewership triggers overage fees.
  • Upload size and length caps — relevant if you work with long recordings or high-resolution footage.
  • Mobile app support — can you upload, review, and respond to comments from a phone? For teams that shoot on mobile, this is a real workflow factor.
  • Export and portability — can you download your originals and embed codes if you leave? Lock-in is a hidden cost.
  • Integrations — does it connect to the tools you already use (your website builder, CRM, or project tracker)?

Deciding between a full platform and a lighter tool

Use these rough conditions as a starting point:

A lighter tool (free host, cloud storage, social platform) is likely enough if:

  • You publish occasionally and mostly to public channels.
  • One person handles video end to end.
  • You don't need gated access or viewer-level analytics.

A dedicated platform is worth evaluating if:

  • Multiple people review or approve videos.
  • You need privacy controls, ad-free playback, or branded embeds.
  • You're using video for lead generation, training, or client delivery.
  • You publish frequently enough that manual workarounds cost more than a subscription.

Pricing and plan details change often, so check the platform's current plans page directly rather than relying on secondhand comparisons. The right approach is to list your actual requirements first, then match them against what each option offers — not the other way around.

How to Start a Video Call with MiroTalk SFU

You can start a call in seconds: open the site, type a room name, and click Join Room. No download, plug-in, or login is required, so anyone with a browser can meet you in the same room. This works for ad-hoc calls and recurring rooms alike, and the platform states there is no limit on the number of conference rooms or users and no call time limitation.

Before you start

  • A modern browser on desktop or mobile. The site says it is compatible with all browsers and platforms.
  • A working webcam and microphone if you want two-way video and audio.
  • The room name you want to use. Rooms are joined by name, so everyone who needs to meet must use the exact same name.
  • Nothing else. There is no account step described on the page, and no install is mentioned.

Start a call in three steps

  1. Open sfu.mirotalk.com in your browser.
  2. Enter a room name in the “Pick a room name” field. The page even suggests one for you if you do not have a preference.
  3. Click Join Room. You land in the meeting and can immediately talk, message, and share your screen.

The page also offers Customize Room and Schedule Meeting next to the join controls, so you can adjust the room before entering or set a meeting up in advance. If you have joined a room before, it appears under “Your recent room” for a one-click return.

What you can do once inside

Capability What it gives you
Screen sharing Share your screen or an application window to present documents and slides
Webcam streaming Up to 8K resolution and 60fps, per the site
Audio streaming Echo cancellation and noise suppression
Chat In-meeting messaging with an emoji picker
Recording Record screen, video, and audio in the browser and save the file
Collaborative whiteboard Draw and explain concepts with other participants
File sharing Send any type of file to everyone in the meeting
Virtual backgrounds Custom backgrounds for privacy or presentation
Broadcasting / RTMP Stream your webcam, screen share, or external URLs for live events
ChatGPT and AI avatars Video AI for questions and lifelike AI-powered avatars

Verify it worked

  • You can see and hear yourself, and other participants appear in the participant view.
  • Chat messages you send show up for others.
  • If you start screen sharing, others see the shared window rather than a blank frame.

If any of these fail, the usual causes are browser permission prompts you dismissed, a muted microphone, or a room name typo on one side.

Common snags

  • Different room names. Rooms are matched by name, not by invitation links described on the page, so agree on the exact spelling before the call.
  • Blocked camera or mic. Browsers ask for permission on first use; if you denied it, re-enable it in the site settings and reload.
  • Recording expectations. Recording happens in the browser, so keep the tab open until the recording is saved.
  • RTMP streaming. This is for broadcasting to an audience, not for a normal two-way meeting, so only enable it when you actually need a live stream.

Privacy and security in one line

The site states that data stays between you and your participants, that it does not collect or share personal information, and that WebRTC encrypts all media streams using SRTP.

What Are Open-Source UI Element Libraries and How Do They Differ From UI Frameworks?

An open-source UI element library is a collection of individual, ready-made interface pieces—buttons, cards, inputs, toggles, loaders—that you copy into your own project and adapt. A UI framework, by contrast, is a structured system of components, conventions, and often a theming layer that governs how your whole interface is built. The practical difference: an element library gives you a snippet; a framework gives you a way of working. If you need a polished button in ten minutes, reach for the element library. If you're building a 40-screen product with a team, you probably want the framework.

What "open-source UI element library" actually means

The term gets used loosely, so it helps to separate the parts:

  • Open-source: the code is publicly available, and the license tells you what you may do with it—copy, modify, redistribute, or use commercially.
  • UI element: a single, self-contained piece of interface, usually small enough to read in one sitting. A button with hover states, a pricing card, a search field.
  • Library: a browsable, searchable collection of those elements, typically contributed by many different people.

On a site like Uiverse, elements are shared by a community and written in plain CSS or Tailwind. You find one you like, copy the markup and styles, paste them into your project, and adjust colors, spacing, and text to fit. There's no package to install and no build step required—which is exactly the appeal, and also the source of most of the confusion.

Element library vs. UI framework: the core differences

Dimension Open-source UI element library UI framework / design system
Unit of reuse A single snippet you copy A component you import or call
Installation None; paste into your code Package install, config, sometimes a provider
Consistency Depends on you; each element may look different Enforced by shared tokens and APIs
Theming Manual edits per element Central theme/config file
Updates You own the copy; no upstream updates Version bumps bring fixes and changes
Accessibility Varies per contributor; must be checked Usually tested and documented
Best for Prototypes, landing pages, small sites, one-off needs Multi-page apps, teams, long-lived products
Learning curve Low—read the CSS Higher—learn the API and conventions

The table isn't a verdict. It's a map of trade-offs. Element libraries win on speed and freedom; frameworks win on consistency and maintenance.

Licensing and attribution: what to check before you paste

This is where people get into trouble, and it's worth slowing down for.

  1. Find the license. Every element or collection should state one. Common open-source licenses include MIT, Apache-2.0, and BSD. Some projects use copyleft licenses like GPL, which can impose obligations if you redistribute your code.
  2. Understand what the license permits. MIT and Apache-2.0 are permissive: you can typically use the code in commercial and closed-source projects. Copyleft licenses may require you to release derivative source under the same terms.
  3. Check attribution requirements. Permissive licenses usually require you to keep the copyright notice and license text somewhere in your project. That's a real obligation, not a formality.
  4. Look for per-element terms. On community sites, the site's overall terms and the individual contributor's stated wishes may differ. If a contributor asks for credit, honor it.
  5. When in doubt, ask or avoid. If a snippet has no license at all, you don't have clear permission to reuse it. Treat "no license" as "not open source," even if the code is publicly visible.

This article is general information, not legal advice. For commercial products with real exposure, have someone qualified review the licenses you're relying on.

How to use a community element in your project: a practical workflow

Here's a repeatable process that avoids most of the usual mess.

1. Start from a real need, not a browsing session

Decide what you need first—"a compact primary button with a loading state"—then search. Browsing aimlessly produces a pile of pretty snippets that don't fit together.

2. Copy the smallest version that works

Take the markup and the styles. Strip anything you don't need: demo wrappers, extra animations, decorative layers. Less code means fewer surprises.

3. Convert it to your conventions

If your project uses design tokens or CSS variables, replace hard-coded values:

/* Before: hard-coded */
.button { background: #4f46e5; border-radius: 8px; }

/* After: token-based */
.button { background: var(--color-primary); border-radius: var(--radius-md); }

This one step is what keeps a copied element from looking like a foreign object in your UI.

4. Check accessibility before you ship

Community elements vary widely here. Verify at minimum:

  • Keyboard focus is visible and the element is reachable by Tab.
  • Color contrast meets WCAG AA (4.5:1 for normal text).
  • Interactive elements use semantic HTML (<button>, not a clickable <div>).
  • Form inputs have associated labels.
  • Motion respects prefers-reduced-motion.

5. Test in context

Paste it into a real page with real content. Long labels, small screens, and dark mode break more copied elements than anything else.

6. Note where it came from

Keep a short comment or an internal credits file: source, license, date. Future you—and your legal reviewer—will be grateful.

Where element libraries genuinely shine

  • Prototypes and demos: you need something clickable today, not a design system.
  • Landing pages and marketing sites: a handful of distinctive elements, each custom.
  • Filling gaps: your framework lacks one specific component, and you don't want to build it from scratch.
  • Learning: reading well-made CSS is one of the fastest ways to improve.
  • Small projects: a personal site doesn't need a theming architecture.

Where they fall short

  • Consistency at scale: ten elements from ten contributors rarely look like one product.
  • Maintenance: you own every copy. When your design changes, you edit each one.
  • Accessibility debt: you inherit whatever the contributor did or didn't do.
  • No upstream fixes: a bug fixed in the original won't reach your copy.
  • Integration friction: different naming conventions, different units, different assumptions about resets.

When to choose which

Choose an element library when the scope is small, the timeline is short, or you need a few distinctive pieces rather than a whole system.

Choose a framework or design system when multiple people build multiple screens over months, when consistency is a product requirement, or when accessibility and theming need to be guaranteed rather than checked.

A hybrid works well for many teams: adopt a framework for the structural components—forms, navigation, layout—and borrow individual elements for the places where you want personality. Just route every borrowed element through the same token and accessibility checks, so it lands as part of your system rather than beside it.

The short version: open-source UI element libraries are a fast, flexible way to get good-looking interface pieces into a project. They are not a substitute for a design system, and the license and accessibility details are the part worth reading carefully.

What Is MiroTalk SFU?

MiroTalk SFU is an open-source, self-hosted WebRTC video conferencing platform that runs entirely in the browser. It's built as a Zoom alternative for anyone who wants to host their own meetings without downloads, plug-ins, or logins. The site describes it as "free browser based real-time video calls" with an SFU (Selective Forwarding Unit) server integrated, and claims unlimited conference rooms and users without call time limits. If you need a self-hosted meeting tool you can control, this is what it offers.

How it works

MiroTalk SFU uses WebRTC for real-time media and Mediasoup as its SFU. In an SFU architecture, each participant sends one stream to the server, and the server forwards it to the others — rather than every participant connecting directly to every other participant. That's what makes it scale better than a simple peer-to-peer mesh as meetings grow.

Because it's browser-based and WebRTC-native, there's nothing to install. The site states no download, plug-in, or login is required: you pick a room name and join.

Core capabilities

Feature What the site says
Rooms & users Unlimited conference rooms and users, no call time limitation
Video Up to 8K resolution and 60fps
Audio Echo cancellation and noise suppression
Screen sharing Share screen, application window, documents, slides
Chat In-meeting chat with emoji picker
Recording Record screen, video, and audio in the browser
Whiteboard Interactive collaborative whiteboard
File sharing Share any file type with participants
Broadcasting RTMP streaming for webcam, screen share, or external URLs
Extras Virtual backgrounds, ChatGPT with video AI, AI avatars, REST API

Privacy and security

The site states that data stays between you and your participants, and that it doesn't collect or share personal information. Media streams are encrypted using SRTP (Secure Real-time Transport Protocol) via WebRTC. Because it's self-hosted, the deployment and data handling are under your control — which is the main reason people choose it over a hosted service.

When to choose it

MiroTalk SFU fits if you:

  • Want a self-hosted alternative to Zoom or Google Meet
  • Need browser-based meetings with no installs or accounts for participants
  • Care about keeping meeting data on your own infrastructure
  • Want an open-source platform you can extend via its REST API

It's less suited if you'd rather not run and maintain a server, or if you need a fully managed service with vendor support.

Getting started

The site's flow is minimal: pick a room name, join, and start talking, messaging, and sharing your screen. There are also options to customize a room and schedule a meeting. For a self-hosted setup, you'd deploy the platform on your own server — the project is open source, so the code and deployment details are available from the project itself.

Who's behind it

MiroTalk SFU is developed by Miroslav Pejic (Full Stack Developer). The project is sponsored by Recall.ai, an API for recording Zoom, Google Meet, Microsoft Teams, and in-person meetings.

How MiroTalk SFU Ensures Privacy and Security

MiroTalk SFU protects meetings through two layers: WebRTC's built-in SRTP encryption for all media streams, and a stated policy of not collecting or sharing personal information. Because it is open-source and self-hostable, you can also run it on your own infrastructure so meeting data never passes through a third party. These guarantees apply to the platform itself; the privacy of a given meeting still depends on who hosts it and who you invite.

Media encryption: SRTP over WebRTC

Every audio and video stream in MiroTalk SFU is carried over WebRTC and encrypted with Secure Real-time Transport Protocol (SRTP). This is not an optional add-on — it is how the underlying transport works. In practice:

  • Audio, webcam video, and screen-share streams are encrypted in transit between participants.
  • Encryption keys are negotiated per session through WebRTC's standard handshake rather than shared manually.
  • Because MiroTalk SFU uses an SFU (Selective Forwarding Unit) architecture powered by Mediasoup, streams are routed through the server rather than sent peer-to-peer. That server forwards encrypted media; it does not need to decrypt it to route it.

The practical takeaway: a participant on the network cannot casually read another participant's media stream, and the SFU's job is forwarding, not inspecting.

Data handling: what the platform says it does

The site states plainly that data stays between you and your participants and that the project does not collect or share personal information. Combined with the "no download, plug-in, or login is required" entry flow, this means:

  • You are not required to create an account or hand over an email to join a room.
  • There is no advertising or analytics-driven profile built from your meeting content, per the site's description.
  • Meeting content is not described as being stored or mined by the platform.

Treat these as the project's stated commitments. If your use case involves regulated data, verify them against the source code, since MiroTalk SFU is open-source and auditable.

Self-hosting: the strongest control

The most direct way to control privacy is to self-host MiroTalk SFU. The site describes it as an open-source, self-hosted WebRTC platform, which means you can deploy it on your own server and keep all signaling and media traffic inside your own network or cloud account.

When you self-host:

Concern Effect of self-hosting
Who sees meeting metadata Only your infrastructure
Where media is routed Your SFU server
Third-party data sharing Eliminated at the platform level
Compliance scope Determined by your own setup

This is the option to choose when you need full control over data residency and retention. If you use a public instance instead, you are trusting whoever operates that instance.

Practical limits to keep in mind

Encryption and a no-collection policy cover the transport and the platform, but they do not cover everything:

  • Your endpoint is your responsibility. A compromised browser or device can still expose what happens on screen.
  • Recording and file sharing are user actions. If a participant records the meeting or downloads a shared file, that copy is outside the platform's protection.
  • The host's instance matters. On a self-hosted deployment, the operator controls the server; on a public one, the operator does. Know which you are using.
  • Verify, don't assume. Because the project is open-source, you can inspect how SRTP, signaling, and any optional features (recording, RTMP streaming, ChatGPT integration) handle data before relying on them for sensitive meetings.

For most teams, the combination of SRTP encryption, a no-login entry flow, a stated no-collection policy, and the option to self-host makes MiroTalk SFU a reasonable choice for privacy-conscious calls — provided you confirm the deployment model and treat endpoint and user actions as part of your own security boundary.

Website Overview

Identifiable technologies and additional version or configuration signals make the service easier to fingerprint, which may help targeted scanners narrow their checks.

Domain and Registration

Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain has about 5 years of registration history; its current configuration provides more context than age alone. The registrar is GoDaddy.com, LLC, a widely used domain service provider. The domain uses the common .com extension, which is not an independent safety signal.

DNS and Email

Nameservers are provided by GoDaddy, indicating managed DNS hosting. No CNAME was found; the observed records resolve directly to addresses. No MX record was found. A conventional explicit inbound-mail route is not configured. DNSSEC signatures were not detected, so this additional DNS authenticity protection is not confirmed. The lowest observed DNS TTL is 600 seconds.

TLS and Certificates

The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate was issued by Let's Encrypt, commonly associated with automated certificate services. The certificate's total validity is about 89 days, consistent with a short renewal cycle.

HTTP and Browser Security

The Server header exposes the software version: nginx/1.18.0 (Ubuntu). This makes version-targeted checks easier, but is not proof of an exploitable vulnerability. X-Powered-By exposes backend information: Express. The response lacks these common security headers: CSP, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. CORS permits any origin to read this response. This is common for public resources; sensitive responses need narrower handling. No obvious internal addresses or debug information were found in the headers.

Technology Stack Analysis

The public page identifies nginx 1.18.0, Express, with exact versions exposed for 1 technologies. These details can narrow vulnerability checks, although exposure alone is not a vulnerability.

Search and Social Sharing

No homepage canonical URL was detected. If duplicate URLs exist, consolidation may be less explicit. Twitter Card metadata is configured. The title has 52 characters, within a common display range. A meta description is present, with 144 characters. The observed directives allow indexing and link following.

Hosting and Email

DNSGoDaddy
HostingHetzner Online GmbH
EmailUnknown
Location Finland flagHelsinki, Uusimaa, Finland 65.109.7.178

User reviews (0)

  • No reviews yet.

Pages, Search and Sharing

Meta descriptionBuild your own Zoom alternative with MiroTalk SFU, an open-source, self-hosted WebRTC platform powered by Mediasoup for scalable video meetings.
Canonical URLNot detected
LanguageEnglish (default)
Twitter Cardsummary_large_image
All bots 0 allowed · 0 disallowed

No sitemaps found

Registration details RDAP / WHOIS

RegistrarGoDaddy.com, LLC
Registered2021-07-19
Expires2027-07-19
Domain statusclient delete prohibited、client renew prohibited、client transfer prohibited、client update prohibited
Nameserversns77.domaincontrol.com、ns78.domaincontrol.com
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Asfu.mirotalk.com65.109.7.178600—
NSmirotalk.comns77.domaincontrol.com3600—
NSmirotalk.comns78.domaincontrol.com3600—
DMARC_dmarc.mirotalk.comv=DMARC1; p=reject; sp=none; adkim=s; aspf=s;1800—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectsfu.mirotalk.com
IssuerLet's Encrypt
Valid until2026-12-20T15:57 · Remaining when checked: 84 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
servernginx/1.18.0 (Ubuntu)
strict-transport-securitymax-age=63072000; includeSubDomains; preload
x-frame-optionsALLOWALL
x-content-type-optionsnosniff, nosniff
access-control-allow-origin*

Identified technologies

nginx 1.18.0Express