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Categories: Development

Tags: Open SourceSoftware Downloadscompare B2B softwareB2B software reviewssoftwareBusiness SoftwareCompare SoftwareDownload Softwareopen sourceOpen Source Software
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developmentDownloadsFree Software

SourceForge is the complete software discovery platform. SourceForge is the largest B2B software review and comparison site in the world, and features the largest business software directory, as well as free & fast open source software downloads and development.

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Updated: 2026-09-01 09:35 Language: English (default) Access: Normal

Profile views 10 Outbound visits 8

Website Overview

An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Several search or sharing settings need attention. Together they may make snippets, preview images or preferred URLs less consistent across platforms.

Domain and Registration

Registered in 1999, this domain has about 27 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The registrar is GoDaddy.com, LLC, a widely used domain service provider. The domain uses the common .net extension, which is not an independent safety signal.

DNS and Email

The lowest TTL is 33 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by constellix.com, indicating managed DNS hosting. MX records point to the sourceforge.net email service. CAA records restrict which certificate authorities are authorized to issue certificates. No CNAME was found; the observed records resolve directly to addresses.

TLS and Certificates

The public key uses EC with 256 bits. 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 response lacks these common security headers: Referrer-Policy. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header identifies cloudflare without an exact version.

Technology Stack Analysis

The public page identifies Cloudflare without precise versions, leaving fewer clues for version-specific scanning.

Search and Social Sharing

The title has 87 characters and may be truncated in search results. The meta description has 262 characters and may be shortened in search results. No Open Graph metadata was detected, so social previews may depend on platform inference. JSON-LD includes Organization data, helping describe the organization as an entity. The observed directives allow indexing and link following.

Hosting and Email

DNSconstellix.com
HostingCloudflare
Emailsourceforge.net
Location United States flagUnited States 2606:4700::6812:c95

Pages, Search and Sharing

Meta descriptionSourceForge is the complete software discovery platform. SourceForge is the largest B2B software review and comparison site in the world, and features the largest business software directory, as well as free & fast open source software downloads and development.
Canonical URLhttps://sourceforge.net/
LanguageEnglish (default)
Twitter CardNot detected

Social Sharing Preview

Unknown

robots.txt (opens in a new tab)

178 rules
mediapartners-google 1 allowed · 0 disallowed
  • Allow/
amazonadbot 1 allowed · 0 disallowed
  • Allow/
All bots 12 allowed · 164 disallowed
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  • Disallow/blog/category/
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  • Disallow/articles/category/open-source/
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  • Disallow/articles/category/networking/
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  • Disallow*?viewmonth=
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Sitemaps

7

Registration details RDAP / WHOIS

RegistrarGoDaddy.com, LLC
Registered1999-08-08
Expires2027-08-08
Domain statusclient delete prohibited、client renew prohibited、client transfer prohibited、client update prohibited
Nameserversns11.constellix.com、ns21.constellix.com、ns31.constellix.com、ns41.constellix.net、ns51.constellix.net、ns61.constellix.net
DNSSECunsigned

DNS records

TypeNameValueTTLPriority
Asourceforge.net104.18.12.14933—
Asourceforge.net104.18.13.14933—
AAAAsourceforge.net2606:4700::6812:c95300—
AAAAsourceforge.net2606:4700::6812:d95300—
MXsourceforge.netmx.sourceforge.net360010
NSsourceforge.netns11.constellix.com77189—
NSsourceforge.netns21.constellix.com77189—
NSsourceforge.netns31.constellix.com77189—
NSsourceforge.netns41.constellix.net77189—
NSsourceforge.netns51.constellix.net77189—
NSsourceforge.netns61.constellix.net77189—
TXTsourceforge.netSourceForge, Inc.300—
TXTsourceforge.netabuseipdb-verification=dvyMFAir300—
TXTsourceforge.netbrave-ledger-verification=09845b65316c1613c72337595c391c4675fff6ae8923768232dc3f6c661af14b300—
TXTsourceforge.netca3-1594c24430d2487fad7bceaec2fa251f300—
TXTsourceforge.netca3-33e180a2afaa4c86951f4a8ad123e300300—
TXTsourceforge.netca3-8b7801430b214be99a3325aab5d0d899300—
TXTsourceforge.netgoogle-site-verification=HugCfmT_JOUQaz6xbszx1O9W3ccm_Dh5GiageK7egmM300—
TXTsourceforge.nettollbit-domain-verification=bae1f5123238c200f3429dba2556501be81cc1ab0b0f0692146e362a49979895300—
TXTsourceforge.netv=spf1 include:sparkpostmail.com include:servers.mcsv.net ip4:216.105.38.0/26 -all300—
TXTsourceforge.netyandex-verification: eddadce308154a90300—
CAAsourceforge.net0 iodef "mailto:[email protected]"300—
CAAsourceforge.net0 issue "amazon.com"300—
CAAsourceforge.net0 issue "digicert.com"300—
CAAsourceforge.net0 issue "letsencrypt.org"300—
CAAsourceforge.net0 issue "sectigo.com"300—
DMARC_dmarc.sourceforge.netv=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=none;3600—

TLS and certificates

AssessmentNormal configuration
Supported protocolsTLSv1.2、TLSv1.3
Negotiated protocolTLSv1.3
Certificate subjectsourceforge.net
IssuerLet's Encrypt
Valid until2026-11-10T21:17 · Remaining when checked: 72 days
Verification detailsCertificate trust: Passed · Hostname match: Passed

HTTP response headers

HeaderValue
content-typetext/html; charset=utf-8
cache-controlno-cache
servercloudflare
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x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
permissions-policygeolocation=(), microphone=(), camera=(), payment=(), document-domain=(), display-capture=(), autoplay=(), bluetooth=(), identity-credentials-get=(), otp-credentials=(), publickey-credentials-create=(), publickey-credentials-get=(), usb=(), accelerometer=(), ambient-light-sensor=(), captured-surface-control=(), compute-pressure=(), gamepad=(), hid=(), idle-detection=(), local-fonts=(), magnetometer=(), midi=(), screen-wake-lock=(), serial=(), speaker-selection=(), window-management=(), xr-spatial-tracking=(), local-network=(), local-network-access=(), loopback-network=()
set-cookieRedacted

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