Instabug - The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
Product Hunt - A website that lets users share and discover new products
UserTest.io - User testing made simple. High-quality, affordable user testing solutions from real users, here in the UK. Improve your usability!
Betafy - Where startups meet beta users!
UserTesting.com - Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.