A collection of open source software projects developed by Chen Fengyuan, primarily focused on web development tools and libraries available on GitHub.

The GNU Operating System is a free software movement that provides users with the freedom to run, copy, distribute, study, change and improve software.

Debian is a free operating system for various hardware architectures.

The Tor Project is a US nonprofit advancing human rights through free software and open networks that provide anonymity, privacy, and freedom online.

R is a free software environment for statistical computing and graphics

GNOME is an open-source desktop environment for Linux users and developers.

Nonprofit promoting computer user freedom by defending rights to run, edit, share, and contribute to software.

Apache OpenOffice is a free and open productivity suite for office software.

KDE is an open community developing and distributing Open Source software.

Codeberg is a non-profit, community-led Git hosting service providing a safe and friendly home for free and open source software projects.

Inkscape is the best vector graphics software for designers and illustrators and is used by creative professionals worldwide.

Softpedia is a free downloads encyclopedia for Windows, Mac, Linux, and Smartphones, offering software downloads, tech news, and reviews.

LWN.net is a reader-supported news site providing in-depth coverage of the Linux kernel and free software development communities.

Download.com is a legacy software directory and download portal offering reviews and links for various desktop and mobile applications across different operating systems.

Forgejo is a self-hosted software forge for collaborative software development and is used by developers.

LaTeX is a document preparation system for scientific documentation.

The MIT License is a permissive, widely used free software license originating from MIT, offering minimal restrictions on software reuse and modification.

FileHippo is a software download repository offering safe, free versions of the latest Windows software, freeware, and shareware from a reputable source.

Freemake is an IT company that provides free alternatives to popular paid software with a focus on developing high-quality free software.

FSFE is a non-profit empowering users with software freedom rights, focusing on policy, ethics, and technology control.

FreeSOFT is a directory providing safe, free, and convenient downloads for popular software applications across Windows and Android platforms.

Wikimedia Deutschland supports Wikipedia and free knowledge initiatives by developing free software and advocating for open access to information and digital rights in Germany.

The Software Freedom Conservancy is a non-profit supporting Free, Libre, and Open Source Software (FLOSS) projects through infrastructure, legal defense, and advocacy.

Ninite is a free utility software installer for Windows that automatically installs or updates multiple applications at once, saving users significant time.