We maintain many of the world's most installed open source reinforcement learning libraries

Support gnachman’s open source work

Your support for the slf4j, reload4j and logback projects is both needed and very much appreciated.

Support zx2c4’s open source work

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library.

Support Daniel's open source contributions in Go!

A security engineer with strong proficiency in computer security and applied security research. I write and maintain opensource software to make your life easier.

Homebrew is the missing package manager for macOS (or Linux) and a non-profit project run entirely by volunteers.

Next-generation IDE infrastructure for the Rust programming language.

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Software / Security Engineer based out of Australia. Working on building open source security tools in my spare time.

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Support isaacs’s open source work

# 👋 Hi! **Joff** here! I am a web developer and open-source advocate from Manila 🇵🇭, founder of https://ossph.org and creator of https://vuestripe.com. I am also the Vue.js Community Expert for Stripe.

The mission of NumFOCUS is to promote open practices in research, data, and scientific computing by serving as a fiscal sponsor for open source projects and organizing community-driven educational programs. NumFOCUS is a 501(c)(3) public charity.

Support graphql-ruby development

Support matz’s open source work

Supercharging your web apps DX and UX with tools like TanStack Query, Table, Router & Virtual, React Charts. Previously Chart.js, React Static and Crossfilter.

🔒 Every site on HTTPS! I develop the Caddy Web Server full-time to help make the Web more secure and private.

Support Jeremy Long's work on open source projects like dependency-check.

Support knsv’s open source work

Help us tell more stories about open source! We are a community-driven project with a simple goal: to make the people of open source and their lived experiences more visible.

Support my work on libraries for CommonMark and GitHub Flavored Markdown

A worldwide technology community 🌍. Creators of the Plasma desktop & a variety of Free and open source applications that let you control your digital life.

As a Member of the Apache Software Foundation and a Project Management Committee member for Commons, HttpComponents, Logging, and Xalan, I architect, code, review, mentor, and document open-source software.

Tatu Saloranta, better known as the "Cowtowncoder", is a long-time Open Source developer. He has authored and maintains many popular Java OSS libraries, including Jackson JSON library, Woodstox and Aalto XML parsers and Java UUID generator.

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

Support droidmonkey’s open source work

Karakun was founded in 2018 and is home of more than 60 software experts based in Switzerland, Germany and India. Our core business is the development of custom-tailored software solutions in B2B environments based on Java and web technologies.