Sumo - Free tools to grow your email list.
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.
OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
OptiMonk - OptiMonk is the most powerful Onsite Retargeting platform, that helps you increase the conversion rate of your site, and get more leads by recovering lost visitors.
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.