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.
BountySource Features
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Gitpay is an Open Source platform where collaborators receive bounties after completing tasks for projects on demand in a collaborative and agile way
Gitpay Features
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IssueHunt is a crowd funding service for opensource contributors and owners!.
IssueHunt Features
DiscontinuedTheir social media are not active since 2019 Same with their repos https://github.com/BoostIO?q=issuehunt&type=all&language=&sort=
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