On Deck might be a bit more popular than Y Combinator Co-founder Matching. We know about 1 link to it since March 2021 and only 1 link to Y Combinator Co-founder Matching. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
One idea I just remembered is to find a business co-founder that already knows a market well and sees an opportunity. Startup School's co-founder matching service is quite good. Source: almost 3 years ago
What is the name of the group. ondeck.com has received a lot of positive reviews in VC and entrepreneur focused subs. There are supposedly some brand name VCs who benefited from it. Source: over 2 years ago
Founders Nation - Find or become a startup cofounder
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
CoFoundersLab - Meet 250,000+ entrepreneurs online
Startup School - How to start a startup, by Y Combinator
Find A Maker - find a partner for your next project
No Code Founders - The No Code discovery platform