Compiler and language processing stuff, finite state machines, all C.

Award-winning feminist tech project helping survivors of abuse get the information & support they need.

Providing free programming ebooks and working towards a world where ebooks will be funded, distributed and maintained for the benefit of all!

I'm Dominik and I have dedicated a large part of my life to open source. In particular, I love writing code that helps other programmers do their job.

Help me create great developer experiences 🎉

A standards-based, front-end framework designed for high-performing, ambitious applications.

Hi! I'm Ray and I created raylib, a simple and easy-to-use library to enjoy videogames programming! raylib is free and open source, enjoy it! 😄

Hi, I'm Tom Kerkhove and love to collaborate with others to build a sustainable Azure ecosystem and I'm happy to be part of it!

I'm Reini Urban, architect and maintainer for a lot of stuff: cperl (a better perl5), parrot, many perl5 modules, safeclib, libredwg, smhasher, and more.

Co-founder and CEO at @tildeio, EmberConf and RailsConf Organizer, @emberjs Core Team Member, @jquery Core Team alum, and all around technophile.

Phalcon is a full stack PHP framework, delivered as a PHP extension, and offering lower resource consumption and high performance!

🙋‍♂️ Hi, I'm Gregor, I've worked on Open Source for 10+ years. I raise funds for https://p5js.org.

I'm the creator and maintainer of the Altair GraphQL Client, and also contribute to several other open source tools I work with like the GraphiQL IDE.

Hey there, I'm Jan (punker76), an #OSS dev for many years now. Almost everything I do is focused on MahApps, WPF and XAML.

ESLint helps you find and fix problems in your JavaScript code.

Flarum is the next-generation forum software that makes online discussion fun. It's simple, fast, and free.

We're a small team of passionate designers & developers creating a real-time API and intuitive App dashboard for managing SQL database content.

CommandPost is an open source Mac application used by film & television professionals worldwide to speed up their workflow.

We work with nonprofits to help them tell their story through data and through the use of open source technology.

I created musl libc, and find/fix bugs in all that touches it. Love displacing monoculture with consensus-based standards.

curl is the swiss army knife for Internet transfers and possibly the world's most widely used software component - we rely on sponsors to keep the boat afloat. Your help is valuable!

I am one of the maintainers of the ImageMagick project. Your sponsorship will help me to travel the world to meet up with other people from the OSS community.

I'm Arlon! A multi-language developer by day and open source maintainer by night for Laravel Tenancy, Prohemion & other cool stuff! 🔥

I give to the R community by contributing to and maintaining R packages. I'm also a volunteer organizer for a R conference and user group.

Hi! I'm Eduard. I'm based out Korea and Japan, and I work full time on open source software in Go.