screen-play.app

ScreenPlay's desktop widgets are small helper apps that sit on your desktop so you can see information without opening separate programs. According to the ScreenPlay site, the widgets are meant to replace “opening multiple apps for important information,” and the examples given are CPU usage, time, weather, and the latest Reddit threads. The widgets are part of the same open-source app that also displays live wallpapers, so you get them by installing ScreenPlay rather than adding a separate widget tool.

What information can the widgets show?

The site describes two ways widgets get their data:

• Built-in examples: CPU usage, time, weather, and the latest Reddit threads are named directly as widget use cases.
• SysInfo API: Displays system information such as CPU usage, memory usage, and IP address. The site says this is aimed at power users, developers, and sysadmins who need to monitor system stats.
• Weather Forecast API (new in V0.15): Built around open-meteo.com and provides a detailed 7-day forecast, plus a set of matching weather icons.

So the practical answer is: system monitoring (CPU, memory, IP), time, weather with a 7-day forecast, and Reddit thread feeds. The site does not publish a complete widget catalog, so treat that list as the documented set rather than an exhaustive one.

Do you need extra apps for the widgets?

No separate widget application is described. The widgets are a feature of ScreenPlay itself, alongside wallpapers and an AppDrawer. The weather data comes from open-meteo.com through ScreenPlay's built-in API, so you are not installing a weather app to get the forecast. For Reddit content and system stats, the site presents these as widget capabilities of ScreenPlay rather than integrations you configure through other software.

One caveat: the site does not document login requirements, account setup, or whether every widget works offline. If you need a widget that pulls live data, assume it needs a network connection until you confirm otherwise in the app.

Can you build your own widgets?

Yes, if you are willing to write code. ScreenPlay supports QML/JavaScript scripting, and the site describes QML as an easy-to-learn declarative language for creating custom wallpapers and widgets, with native ECMA 2017 support for interactive and animated content. Two features make this practical for iteration:

• Live reloading: Code hot reloading lets you see changes to your project in real time without restarting the content.
• SysInfo and Weather APIs: These give your custom widget access to the same system and forecast data the built-in widgets use.

This matters if the built-in widgets don't cover what you want to monitor — for example, a custom widget that combines memory usage with a weather icon.

What you need to run them

• Platforms: Windows and macOS (OSX). The site lists Linux/KDE as coming soon.
• Apple Silicon: Version 0.15 adds Apple Silicon support through a Universal Binary that runs at full speed on both Intel and Apple Silicon Macs.
• Distribution: Binaries with Steam Workshop support are available for Windows and macOS via Steam, and the site also lists other download options. The Workshop is where users upload and share content, which is relevant if you want pre-made widgets rather than building your own.

How to decide

If you need widgets on Linux today, ScreenPlay is not yet an option there. If you want a no-code widget builder, the site describes scripting rather than a visual editor, so plan on writing QML for anything beyond the built-in widgets.

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

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.

You create custom content for ScreenPlay by writing QML, a declarative UI language with native ECMA 2017 JavaScript support, and testing it with the built-in live reloading feature. This approach suits anyone comfortable with basic scripting who wants interactive or animated wallpapers and desktop widgets; if you only want to use existing content, the Steam Workshop is the simpler route.

What you need before starting

• ScreenPlay installed on Windows or macOS. The site lists binaries with Workshop support for Windows and OSX via Steam, with Linux/KDE described as coming soon.
• A text editor for writing QML/JS files. ScreenPlay does not present itself as a full IDE, so expect to edit project files externally.
• Basic familiarity with declarative UI concepts. QML is described as easy to learn, and its JavaScript support follows ECMA 2017, so ordinary JS knowledge transfers directly.

The core mechanism: QML plus JavaScript

QML lets you describe what appears on screen — layout, properties, and bindings — while JavaScript handles logic and data. ScreenPlay describes this combination as powerful enough for "interactive and animated content," which is the key difference from plain video or GIF wallpapers: your content can respond to input and change over time rather than just loop.

A minimal mental model of a widget looks like this:

import QtQuick

Item {
    width: 300; height: 120

    Text {
        anchors.centerIn: parent
        text: "Hello from ScreenPlay"
        color: "white"
        font.pixelSize: 24
    }
}

The Item is the root container, and the Text element is positioned relative to it. For a real widget you would bind text to a JavaScript expression or an API value instead of a fixed string.

Building a widget with system and weather data

ScreenPlay exposes two APIs that are directly useful for widgets:

The pattern is the same in both cases: read a value from the API, bind it to a QML property, and let the UI update automatically. For example, a CPU widget binds a text element to the CPU usage value and refreshes on an interval; a weather widget binds to the forecast data and swaps in the provided icon set.

The site notes the SysInfo API is aimed at power users, developers, and sysadmins who need to monitor system stats — a reasonable guide to whether a system widget is worth building for your own use.

Iterating quickly with live reloading

ScreenPlay's hot reloading feature shows changes to your project in real time, so you do not restart content after every edit. The practical workflow is:

1. Create or open your QML project.
2. Make a change — adjust a layout value, add an element, or modify a binding.
3. Save the file and observe the result on the desktop immediately.
4. Repeat until the layout and behavior are right.

This matters most for animation and interaction work, where small timing or positioning changes are hard to judge without seeing them applied.

Wallpaper formats and when to script instead

ScreenPlay supports most video formats as well as HTML5, QML, and GIF wallpapers. That gives you a clear decision rule:

• Use video, GIF, or HTML5 when the content is essentially playback and needs no access to system data.
• Use QML/JS when you need animation driven by logic, interactivity, or live data from the SysInfo or Weather APIs.

Joining the open-source project

ScreenPlay is free and open source, built in modern C++20/Qt6/QML, and the site invites contributions from the community. If you want to go beyond content creation, the project links to GitLab for code and Discord and forums for discussion. Note that the site also links to Patreon, but no pricing or payment details are stated there, so treat any support tier as something to check on the linked page rather than assume.

Common sticking points

• Expecting a built-in editor. Plan on external file editing plus live reloading rather than an all-in-one authoring tool.
• Platform gaps. Workshop-enabled binaries are listed for Windows and macOS; Linux/KDE is described as soon, so verify availability before committing to that platform.
• Overcomplicating a wallpaper. If your idea needs no data or interaction, a video or GIF will be faster to produce and just as effective.

ScreenPlay can display most video formats as well as HTML5, QML, and GIF wallpapers. It is an open-source live-wallpaper app for Windows and macOS, and it also supports desktop widgets and an AppDrawer. If your wallpaper is a video file, an HTML5 page, a QML scene, or a GIF, it falls within the formats ScreenPlay is built to handle.

Supported wallpaper formats

The official feature list groups these under “Wallpapers” and states that “most video formats as well as HTML5, Qml and Gif Wallpaper are supported.” That wording matters: video support is described as covering most formats rather than every format, so an unusual codec or container is the case to test before relying on it.

Where wallpapers come from

ScreenPlay binaries with Workshop support are available for Windows and macOS via Steam, and the site points to a “Vast Steam Workshop” as a place where users upload content. In practice, that means you can browse and subscribe to wallpapers through Steam Workshop rather than only using files you create yourself. The site also lists other download options besides Steam, and notes Linux/KDE support as coming soon rather than available now.

Interactive and animated wallpapers

QML is the format to look at if you want more than a looping background. ScreenPlay describes QML as an easy-to-learn declarative language for creating custom wallpapers and widgets, with native ECMA 2017 support that allows interactive and animated content. The app also offers live reloading, so changes to a QML project can appear in real time without restarting the content — useful when you are iterating on an animated or interactive wallpaper.

For example, if you want a wallpaper that reacts to system information, ScreenPlay exposes a SysInfo API for CPU usage, memory usage, and IP address, plus a Weather Forecast API built around open-meteo.com with a 7-day forecast and matching weather icons. Those are building blocks for QML wallpapers and widgets rather than separate wallpaper formats.

Choosing the right format for your goal

• Simplest option: use a video or GIF if you just want motion on the desktop.
• Web content: use HTML5 if the wallpaper is essentially a web page or web animation.
• Interactivity: use QML if you want animation tied to logic, system data, or user interaction.
• Ready-made content: check Steam Workshop first if you would rather download than build.

One practical caveat: the site’s feature descriptions are the source for these format claims, and it does not publish a full codec list. If a specific video file does not play, converting it to a more common format is the straightforward next step before assuming the app cannot handle video wallpapers at all.

ScreenPlay is a free, open-source desktop app for Windows and macOS that displays live wallpapers and desktop widgets. You can use it to run video, HTML5, QML, or GIF wallpapers behind your icons, and to place small helper widgets—CPU usage, time, weather, or Reddit threads—directly on the desktop. It is built with modern C++20/Qt6/QML, and the official binaries with Steam Workshop support are distributed through Steam for Windows and macOS, with Linux/KDE listed as coming soon.

What ScreenPlay actually does

ScreenPlay has two main jobs, and both run on the desktop rather than inside a browser tab.

Live wallpapers

The wallpaper layer supports a broad range of formats: most video formats, HTML5, QML, and GIF. That means you are not limited to looping MP4 files—interactive or animated content written in QML can also run as a wallpaper.

Desktop widgets

Widgets are small helper apps pinned to the desktop. The site names CPU usage, time, weather, and the latest Reddit threads as examples. This is aimed at people who would otherwise keep several small apps or browser tabs open just to glance at information.

Key features and what they mean in practice

Who it suits

• People who want a live desktop without paying for Wallpaper Engine-style software. ScreenPlay is explicitly free and open source.
• Mac users on Apple Silicon. The V0.15 release adds Universal Binary support, so M-series Macs run it natively rather than through translation.
• Tinkerers and developers. QML/JS scripting plus live reloading makes it practical to build your own wallpaper or widget and iterate quickly. The SysInfo API is a ready-made data source if you want a system-monitor widget.
• Anyone who wants at-a-glance desktop info. Weather, time, and CPU widgets replace opening separate apps.

It is less of a fit if you want a purely click-and-install experience with no interest in customization—though the Steam Workshop library covers that case for wallpapers.

How to get started

1. Install via Steam. The site points to Steam as the primary download for Windows and macOS, and this is the build with Workshop support. Other download options are listed on the site's Download page.
2. Pick a wallpaper. Choose from the Workshop or load your own video, HTML5, QML, or GIF file.
3. Add widgets. Place the built-in widget types (CPU, time, weather, Reddit) on the desktop.
4. Optional: build your own. Write a QML/JS project, use live reloading to preview changes as you edit, and pull system data through the SysInfo API or forecast data through the Weather API.

Things to check before committing

• Platform coverage is not complete. Windows and macOS have Workshop-enabled binaries; Linux/KDE is described as coming soon, so Linux users should not expect a finished build yet.
• Steam is the main distribution channel. If you prefer not to use Steam, review the "Other Download Options" on the site before installing.
• Widget data sources matter. The weather widget depends on open-meteo.com, so forecast accuracy and availability follow that service.
• Custom content requires learning QML. The site calls QML easy to learn, but building interactive wallpapers is still a scripting task, not a settings toggle.

In short: ScreenPlay is a free, open-source alternative for live wallpapers and desktop widgets on Windows and macOS, with a strong customization path through QML and the Steam Workshop as its content ecosystem.