Friend Hunt - Get desktop notifications when your friends comment on PH
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
#MakerGoals - Live Twitter embeddable GIFs of your Product Hunt stats
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
History of Product Hunt - Learn community building from Product Hunt's example
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.