Sawia - Find trending open source projects to contribute to
SmallDevTools - Handy developer tools with a delightful interface
Request for maintainers - Find any OSS project calling for collaborators
whatdevsneed - This is whatdevsneed.
Adform - Adform is an ad tech partner for media agencies, trading desks and publishers.
Google Open Source - All of Googles open source projects under a single umbrella