Cofounder Matching Platforms

Hi everyone, thinking of coming up with a compilation of all available cofounder matching platforms available to help ease the cofounder search process! Feel free to add to the list as well, here are some of the platforms I have tested :)

1. CoffeeSpace (iOS/Android)
2. Y Combinator Co-Founder Matching Platform web)
3. CofoundersLab (web)
4. StartHawk (web)
5. Founderio (web)
6. LinkedIn (web, iOS/Android)

Would love to also connect with founders who are looking for cofounders to chat about the search experience!