Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
recordit.co - Make a short video capture of your desktop as a gif.
Fogbender - All existing support tools are built for talking to a single user.
Click2Contact - Connecting visitors to businesses with a single tap
Tapes for Mac - Share screencasts fast.
HYFY - Record your screen & voice. Share instantly.