Gust - Global platform for the sourcing of early-stage investments
Smooch.io for Facebook Messenger - Message your customers from Slack, Front, a bot or anywhere!
Number To Whatsapp - A utility tool which lets your start a Whatsapp conversation without saving the contact of the said person first.
GetChat.App - Add WhatsApp chat to your website for free
Watsappnow - A useful and handy tool that can let you ping anyone new on Whatsapp without the need of saving their number.
Avochato - Text messaging for your business.