Avochato - Text messaging for your business.
Gust - Global platform for the sourcing of early-stage investments
Message Me - Website to create your contact business card
Number To Whatsapp - A utility tool which lets your start a Whatsapp conversation without saving the contact of the said person first.
StackWhats - Add the WhatsApp Live Chat to your website
Watsappnow - A useful and handy tool that can let you ping anyone new on Whatsapp without the need of saving their number.