Nifty - Manage projects, work, and communications in one place.
Wildcard - Discover, connect and meet people at communities
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
GetReal - Meet new people, in person
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Event Hunt - Startups and Tech Events Curated By Locals