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: almost 3 years ago
CoFoundersLab - Meet 250,000+ entrepreneurs online
Orderwerks - Orderwerks is a B2B Online Ordering System For Manufacturers, Distributors and More.
Founders Nation - Find or become a startup cofounder
Showcase Sales - Create catalogs, manage sales orders, and marketing material in the Showcase sales app for iOS and Android. For sales reps, marketing teams and trade shows.
Find A Maker - find a partner for your next project
BizAutomation - Cloud ERP for the smaller SMB