BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Product Hunt - A website that lets users share and discover new products
Beta Family - 50,000 testers to test your app
10words.io - Discover new apps and startups in 10 words or less
Launching Next - Showcasing the world's most promising new startups every day
StartupBase - Community of makers & early adopters