Alternatives and competitors
Sites like Open Source Initiative
The 20 closest open source advocacy alternatives to Open Source Initiative, ranked by what they actually offer, and the 8 technologies behind it.
Looking for an alternative to Open Source Initiative? The closest matches are Apache Software Foundation, OSF and OpenCode. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.
- Neighbours
- k = 20
- Sites searched
- 4,032
- Vector
- 384-d
- Query
- 6 ms
01 · Entity
About Open Source Initiative
Open Source Initiative opensource.org
Open Source Initiative – The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
Wikidata: non-profit organization promoting open-source software
Summary by Claude
Website of the Open Source Initiative, a nonprofit that maintains the Open Source Definition, reviews and approves open source licenses, publishes the Open Source AI Definition, and does policy advocacy and community surveys.
- Who it’s for
- Software developers, companies, policymakers, open source community
- Business model
- Donations and sponsorships
02 · Embedding space
Competitor map
Each alternative by how close its vector is to Open Source Initiative’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.
similarity × popularity
03 · Nearest neighbours
Alternatives to Open Source Initiative
Thumbs up if it’s a real alternative to Open Source Initiative, thumbs down if it isn’t.
- 01
Welcome to The Apache Software Foundation | Apache Software Foundation
American nonprofit open-source software community
Close cos 0.890 - 02
OSF
tools that make open science practice easier
Close cos 0.891 - 03
OpenCode | The open source AI coding agent
OpenCode - The open source coding agent.
Close cos 0.887 - 04
Eclipse Foundation | Powering Open Innovation
The Eclipse Foundation hosts 450+ open source projects with vendor-neutral governance, enabling global collaboration in automotive, IoT, cloud, and emerging …
Close cos 0.885 - 05
AI App and Website Builder | Replit
Describe what you want. Replit builds it. Get a working app or website in minutes. No coding required.
Close cos 0.887 - 06
Client Challenge
free and open-source web content management system
Close cos 0.886 - 07
NLnet Labs - Home
Research & Development, Internet architecture, DNS, Routing, Stability and Security.
Close cos 0.884 - 08
Plausible Analytics | Simple, privacy-friendly Google Analytics alternative
Plausible is a lightweight and open-source Google Analytics alternative. Your website data is 100% yours and the privacy of your visitors is respected.
Close cos 0.883 - 09
Compare B2B Software, Download, & Develop Open Source & Business Software - SourceForge
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.
Close cos 0.881 - 10
RustDesk: Open-Source Remote Desktop with Self-Hosted Server Solutions
RustDesk is open-source remote desktop software for your own self-hosted server, a TeamViewer and AnyDesk alternative for Windows, macOS, Linux and Android.
Close cos 0.880 - 11
Building tools for shared knowledge - Creative Commons
family of public copyright licenses for allowing free use of a work
Close cos 0.879 - 12
Doxygen homepage
Source code documentation and analysis tool
Close cos 0.880 - 13
Request temporarily denied. | Archive of Our Own
nonprofit online fanfiction repository operated by the Organization for Transformative Works
Close cos 0.880 - 14
The GNU Operating System and the Free Software Movement
Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.
Close cos 0.879 - 15
The FreeBSD Project
free Unix-like operating system
Close cos 0.878 - 16
Our World in Data
Research and data to make progress against the world’s largest problems.
- Cloudflare
- Cloudflare DNS
- Google Search Console
- Google Workspace
- Cloudflare Web Analytics
- Google Tag Manager
Close cos 0.879 - 17
MediaWiki
free and open-source wiki software, developed by the Wikimedia Foundation
Close cos 0.878 - 18
Blog Tool, Publishing Platform, and CMS | WordPress.org
Open source software which you can use to easily create a beautiful website, blog, or app.
Close cos 0.878 - 19
OpenWeb - The Community Engine of the Open Internet
OpenWeb powers communities across the Open Internet, turning real participation into direct audience relationships, actionable insights, and revenue.
Close cos 0.875 - 20
OpenRouter
The unified interface for every model. Find the best models & prices for your prompts
Close cos 0.874
Ranked by score: the cosine similarity of each site’s vector to opensource.org’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Open Source Initiative uses too. Votes and comments come from visitors and don’t change the ranking.
04 · Fingerprints
Technology
What Open Source Initiative is built with, and what its closest competitors use, from its homepage’s code and its DNS records.
Built with
- CMS
- WordPress page source: /wp-content/
- JavaScript libraries
- jQuery asset https://c0.wp.com/c/7.1.4/wp-includes/js/jquery/jquery.min.js
- CDN
- Cloudflare header cf-ray: a5630baaaaa0f28e-HAM
- unpkg asset https://unpkg.com/swiper@11/swiper-bundle.min.js?ver=1793893275
- Languages & backends
- PHP implied by WordPress (page source: /wp-content/)
- Email hosting
- Google Workspace MX aspmx.l.google.com
- DNS hosting
- Cloudflare DNS NS arturo.ns.cloudflare.com
- SaaS tools (verified in DNS)
- Google Search Console TXT google-site-verification=RKlvCAeipVgUFwSUrhNl0EvsEj2oq-LAYVvwCB69lIM
Stack changes
No changes yet. Each new crawl is compared with the last one, and what Open Source Initiative adds or drops shows up here.
What competitors use
Across the 20 closest sites.
- Google Search Console 15/20
- Cloudflare 9/20
- Cloudflare DNS 8/20
- Google Workspace 8/20
- Microsoft 365 · not on opensource.org 6/20
- Mailchimp · not on opensource.org 5/20
- HubSpot · not on opensource.org 4/20
- Apple Business · not on opensource.org 4/20
- Atlassian · not on opensource.org 3/20
- Bootstrap · not on opensource.org 3/20
- jQuery 3/20
- Amazon Route 53 · not on opensource.org 3/20
- nginx · not on opensource.org 3/20
- Amazon SES · not on opensource.org 3/20
- Google Analytics · not on opensource.org 3/20
- OpenAI · not on opensource.org 3/20