BountySource!

Flattr is a social micropayment service, that makes it easy for you to "flatter" things on the internet that you like. When you're registered to Flattr, you pay a small monthly fee of your own choosing. At the end of the month, that fee is divided between all the things you flattered. You can even flatter things in the real world, with the Flattr Android app!

Patreon enables fans to give ongoing support to their favorite creators.

Liberapay is a way to donate money recurrently to people whose work you appreciate.

FreedomSponsors is a platform for supporting free/libre software projects through microcrowdfunding – that is, crowdfunding individual issues of open source projects.

Gratipay is a way to give small weekly cash gifts to projects you love and are inspired by.

Goteo is a social network for crowdfunding and distributed collaboration (services, infrastructures, microtasks and other resources) for encouraging the independent development of creative and innovative initiatives that contribute to the common good, free knowledge, and open code. A platform for investing in "feeder capital" that supports projects with social, cultural, scientific, educational, technological, or ecological objectives that generate new opportunities for the improvement of society and the enrichment of community goods and resources. »

Since the dawn of the commercial internet, people have puzzled over the problem of paying small amounts online. How can smaller payments be successfully implemented in a way that people would engage with?

Givers can motivate others to continue developing, and set Wishes (e.g. new features or issues to fix).

FOSS Factory's mission is to accelerate the advancement of free/open source software by helping people collaborate on the design, funding, and development of innovative software ideas. All software solutions produced using our system are released under free/open source licenses. Our unique model brings the best of innovators from both the entrepreneurial and FOSS worlds together to solve real world problems using the mass resources of the FOSS community.

Pick your favorite repos to receive a different open issue in your inbox every day. Fix the issue and everybody wins. 17,869 developers are working on 2466 open source repos using CodeTriage.

A ''Buy Me a Coffee button'' for your site or blog.

Cofundos.org is a platform for spurring innovation and development of open-source software. Cofundos.org is about revealing bright ideas regarding the development of open-source software, refining them collaboratively and attracting and pooling a critical mass of funding for their realization.

ContribHub was born on 2012 at PulsoConf/BogotaConf hackathon after 14 hours of sleep-deprived programming, with the goal of creating a good tool to help other open source lovers to find projects to contribute.

Contribute to Open Source, donate bitcoins to open source projects or make commits and get tips for it.