Thaw - Meet people you should know, but don't

Nifty - Manage projects, work, and communications in one place.

TaskRabbit - TaskRabbit connects you to safe and reliable help in your neighborhood.

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.

Penpal Café - Find a person you can share your observations with.

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.