Product Hunt - A website that lets users share and discover new products
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Indie Worldwide - Virtual events with indie founders from around the world
PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
Startup Buffer - Startup Buffer is a premium startup directory for emerging startups all around the world.