RepresentMap - Visualize your local tech startup community on a custom Google Map.
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.
GrowNections - Invite-only social media for the startup community
hatchpad - The community for startup technologists
Node by Slush - Where the Startup World Connects
Mapped In Israel - An Interactive map of the Israeli startup community