Goteo - Goteo is an open network for crowdfunding, collaborations and training, leader in social innovation. With 2 rounds and fiscal advantages for donors!
CodeTriage - Help out your favorite open source projects and become a better developer while doing it.
Softagram - Automated visual reviews for GitHub pull requests
24 Pull Requests - 24 Pull Requests is a little project to promote open source collaboration during December.
BountySource - BountySource is a funding platform for open-source bugs and features.
{code} montage - {code} montage empowers coders to improve their impact on the world.