ApproveIt for Slack - Get approvals in minutes, not days. Right from Slack!
Confrere - Professional video calling. No downloads. Just a link.
RemoteTeam - Remoteteam.com helps remote teams become great places to work with the fully-integrated platform to automates payments and HR tasks.
Talkin - Live Twitter townhalls
Swipes - Plan projects, take action and discuss.
Messenger Group Video Chats - Makes it simple and seamless to stay connected face-to-face