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.
Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Bots UI Kit - Fully customizable Sketch UI Kit for Messenger Platform
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 UI Kit - Handcrafted UI components for landing pages