Beta Family - 50,000 testers to test your app
Betatesters.io - The platform connecting mobile developers and beta testers
TestingCatalog - TestingCatalog is a community of beta testers and developers exploring android apps and exchanging feedback.
Betafy - Where startups meet beta users!
UTest - uTest is the world's largest professional network for software testers and test engineers - 175,000+ QA professionals from more than 200 countries and territories.
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.