Based on our record, Y Combinator Co-founder Matching seems to be more popular. It has been mentiond 1 time since March 2021. 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: over 2 years ago
Lonely Planet - travel guide book publisher
Founders Nation - Find or become a startup cofounder
Flamyngo - Create a city guide with help of your friends.
CoFoundersLab - Meet 250,000+ entrepreneurs online
Sygic Maps - The world's first online maps designed for travelers
Find A Maker - find a partner for your next project