Hello! We're Exercism - the not-for-profit, open source organisation helping people level-up their programming skills for free! 👋

Opensourcerer with a passion for best practices and simplicity. I make things happen and enable others to do the same.

Support Lana-chan's open source work

I'm a tool maker with thousands of contributions per year. You're welcome to use my open source tools, extensions, libraries, plugins.

Trying to make a better developer environment. Most of my personal work is opensource. I contribute to GNOME and Exherbo. Loving rust and using it more and more as time goes. Contributing whenever I can.

Loves open source, speeker, TYPO3 usergroup Bodensee member, father, based in Germany near Lake Constance

A community-driven open source API development ecosystem.

Not only are we helping enterprises but here at Top Marks Development, we're also dedicated to making the open source community great as well!

Composer, the PHP dependency manager, and Packagist, the public open-source package repository for Composer are looking for your support through a sponsorship!

Support Sparrow Code's open source work. We help iOS developers close tasks easily.

Support PeerSocial-io's open-source development and services

I have been involved in technology and computer systems for 40 years and have amassed considerable knowledge implementing systems that are both performant and correct. Systems I have worked on have required high speed and determinism.

Easiest way to add multi-environment yaml settings to Rails, Sinatra, Pandrino and other Ruby projects.

Open-source engineer, full-stack developer, a blockchain engineer, lead author of the 0xcert Protocol, co-author of EIP-2477 standard, CTO veteran, startup mentor, web designer, and musician.

Reverse engineer and game modder that has a passion for gaming modifications of all types.

I believe development can be so simple that everyone can make stunning and performant apps quickly with little effort.

Support d-Rickyy-b's open source work

Support asenacek's open source work

libjpeg-turbo is an open source ISO/ITU-T reference codec for the JPEG image format that is 2-6x as fast as, and backward compatible with, libjpeg v6b and contains numerous usability, security, quality control, and build system improvements.

Open Sauced provides guidance onboarding for new contributors. Our approach towards open-source onboarding offers a way to track contributions through GitHub GraphQL API powered dashboard.

I help maintain OctoLinker, answer random questions people have, and authored a number of GitHub Actions and .NET tools.

Support ataradov's open source work

Please contribute to Jeff Foley's open source projects that support the information security community