Product Hunt - A website that lets users share and discover new products
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
lucr - Get early adopters for your startup
Betatesters.io - The platform connecting mobile developers and beta testers
Beta Family - 50,000 testers to test your app
Passmarked - Simple, all-in-one test to check the quality of your website