Mr. Free Tools - The Most Advanced Directory of Free Tools
BetaList - BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
CrazySpaceCat.com - Your Digital Tool Guide!
PitchWall - Browse new startups, and submit your mobile app/games startup's beta page here.
StartupResources.io - Tightly curated lists of the best startup tools
StartupBase - Community of makers & early adopters