Houseparty - Brining empathy to online communication.
Democracy.io by EFF - A simpler way to send messages to Congress
Booyah - Video chat with up to 12 friends at the same time.
IssueVoter - The election is over, now keep tabs on your rep
Airtime - Hang out with group video, share music & videos
The Red Line - Call Republican senators in russian so they'll listen to you