There are numerous ways of finding cofounders, from strategically using Linkedin to networking (see the section on Networking Groups) and using a paid-for service such as CofoundersLab.  Recently the company purchased FounderDating to consolidate the market. CoFounders Lab is now the world’s largest network of cofounders.

FounderDating

Connect and get real advice from entrepreneurs, start-up founders, and company advisors. FounderDating is the premier network for entrepreneurs and startup founders to learn from the pros.