Open Source
Browse 89 websites in this category • Page 1 of 5
Sites where Open Source is a core feature are shown first, marked with a Core badge.
Pagekit is an open-source content management system (CMS) project hosted on GitHub, where you can view code, contribute, and access documentation.
jsDelivr is a free and reliable CDN for JavaScript and open source projects, optimized for fast delivery from npm and GitHub to any website.
Get updates on GitHub products, open source projects, and developer tools, including news about Atom's sunset and the latest in AI and machine learning.
PostgreSQL.org is the official site for PostgreSQL, an open source database system. Access downloads, docs, community support, and latest updates.
FreeBSD is a free, open source operating system for servers, desktops, and embedded devices, known for reliability, security, and advanced features.
ModSecurity is a free, open source web application firewall that helps protect websites from online threats with customizable rules and real-time monitoring.
Apache Lucene offers open-source search software and libraries for building custom search engines and advanced information retrieval solutions.
ReactOS is a free, open-source operating system designed to run Windows applications and drivers in a familiar, trustable environment.
Roundcube is a free, open-source webmail client you use in your browser. It lets you manage your email easily with features like folders and address book.
Explore David A. Wheeler's personal site featuring articles, resources, and insights on open source software, security, programming, and more.
Firebird is a free, open-source relational database that runs on Windows, Linux, and Mac OS X, offering downloads, documentation, and active community support.
Create 2D hand-drawn animations easily with this open-source software. Simple tools help you focus on animating, with tutorials and a helpful community.
Typesense is an open-source, typo-tolerant search engine that helps you add fast, instant search experiences to your apps or websites with ease.
Stockfish is a powerful open-source chess engine that lets you download, analyze games, and improve your chess skills with advanced AI tools.
BetaZetaDev offers software development resources, tutorials, open source projects, and a tech blog to help you learn and grow as a developer.
Apache Camel is an open source integration framework that helps you connect and automate different systems and data sources with ease.
Discover simple, open source Android apps with no ads or extra permissions. Customize colors and enjoy essential tools for your mobile device.