DeployGate - DeployGate enables developers to distribute beta apps to enable beta testing from fellow developers and community.
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Applivery - Mobile Apps distribution system for Continuous deployment, Beta testing, Feedback, Bug reporting & Enterprise App distribution.
Product Hunt - A website that lets users share and discover new products
TestFlight - iOS beta testing on the fly.
Betatesters.io - The platform connecting mobile developers and beta testers