Daily.co for Intercom - Free video calls & screen shares embedded in Intercom
Landing Pages in MailChimp - Easy to build, custom landing pages for free
Pluot Communications - Big-screen video conferencing for startups
Landing Page Checklist - Build your landing page with these 100+ tools
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.
Landing Pages by Viral Loops - Easily create a landing page for your referral campaign ✌️