Wikimedia is the best platform for free knowledge and is used by millions of users worldwide to access and share information.

CentOS is a community-driven, free Linux distribution tracking ahead of RHEL, offering stable, open-source enterprise software for large-scale deployments.

Namu Wiki is the best community-driven wiki for collaborative knowledge sharing and is used by curious learners and researchers.

AWS re:Post is a community-driven platform for AWS users to access expert-reviewed answers and authoritative AWS technical content.

The A11Y Project is a community-driven effort providing resources, checklists, and workshops to make digital accessibility easier and compliant with WCAG.

dict.cc is a multilingual online dictionary focusing on community-driven German-English translations, vocabulary training, and language forums.

Before It's News is the best platform for community-driven news and is used by truth-seekers and independent journalists.

roadmap.sh is a community-driven platform for developers to grow in their career.

Gaia Online is a long-running online hangout featuring social networking, forums, avatar customization, virtual world exploration, and community-driven games.

OraFAQ is a community-driven resource providing a wealth of information, forums, and tools for Oracle professionals to learn, share knowledge, and solve problems.

StaticGen is a community-driven showcase and directory of top open source Static Site Generators (SSGs) for building Jamstack websites.

NotABug.org provides free, self-hosted Git code hosting powered by a liberated version of Gogs, focusing on open-source and community-driven solutions.

OpenAPI.Tools is an open-source directory listing high-quality, community-driven tools for working with the OpenAPI Specification.

PostSecret is a community-driven platform for sharing secrets and stories anonymously.

The Internet Speculative Fiction Database (ISFDB) is a community-driven bibliographic database cataloging works of science fiction, fantasy, and horror.

PWA Stats is a community-driven resource providing statistics, case studies, and news related to the performance and conversion benefits of Progressive Web Apps.

JSConf is a global federation organizing community-driven technical conferences focused on pushing the boundaries of JavaScript technology and fostering developer community.

GopherCon is the premiere annual conference for Go programming language enthusiasts, featuring workshops, networking, and community-driven programming in NYC.

Ravishly is a community-driven digital publication focused on sharing real-life experiences across bodies, culture, sex, love, and family with an emphasis on solidarity and honesty.

Codidact is a community-driven Q&A platform for various topics and is used by enthusiasts and professionals.

CelticsBlog is a community-driven sports blog providing in-depth news, rumors, analysis, stats, and scores for Boston Celtics fans.

mcp.so is a community-driven marketplace and directory for discovering and sharing third-party MCP (Model Context Protocol) Servers and Clients for AI systems.

akaQA is a community-driven question and answer platform where users seek and provide information across diverse topics, functioning as a knowledge exchange.

Stacker News is a community-driven news aggregator similar to Hacker News, where users earn Bitcoin (sats) for posting and upvoting content related to Bitcoin, tech, and economics.