CodeTriage - Help out your favorite open source projects and become a better developer while doing it.
Wethos - Curated freelancer cohorts for non-profits
24 Pull Requests - 24 Pull Requests is a little project to promote open source collaboration during December.
The DesignOps Handbook by InVision - Guide to understanding how DesignOps help design teams scale
Gitpay - Add bounties to solve Git issues from projects.
Kickstarter - Kickstarter is the world's largest funding platform for creative projects. A home for film, music, art, theater, games, comics, design, photography, and more.