WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Peal - Instantly send popular soundbytes via FB messenger
Voice Swap - Live voice changer & face filters for video selfies.
ClosingBell - Collaborative Stock Trading
Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.
Bots for Business - +50 Discord and Slack Bots for Business