StreamParty - StreamParty is a watch communiry, that allows you to watch video streams in sync with the people you care about, on multiple services.

foobar2000 - An advanced freeware audio player for the Windows platform.

Musictube - Listen to millions of songs on YouTube in a convenient way, much like using a traditional player.

BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!

Netflix Party - Netflix Party is an extension for watching Netflix remotely with friends and family for movies nights with that long-distance special someone.

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.