Gitbo is described as 'aggregates public issues from GitHub and ranks them based on a popularity algorithm, so developers can easily find projects to make significant contributions' and is an website in the Development category. There are nine alternatives to Gitbo, not only websites but also apps for SaaS. The best alternative is BountySource, which is both free and Open Source. Other great sites and apps similar to Gitbo are Goteo (Free, Open Source), CodeTriage (Free, Open Source), FOSS Factory (Free, Open Source) and Cofundos (Free).
BountySource is a funding platform for open-source bugs and features. Anyone can can post a monetary bounty on an open source project's issues (currently only projects hosted on Github are supported), encouraging other developers to come and work on a solution.
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...
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.