Betafy - Where startups meet beta users!
Product Hunt - A website that lets users share and discover new products
Beta Testers Hub - Early adopters network for your Startup
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Waitlisted - Waitlisted helps new brands and startups build an audience while they focus on building a product
Beta Family - 50,000 testers to test your app