Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Community Bot - Automate your Slack community management
Telegram X - Meet Telegram X for iOS and Android – two new official apps that offer more speed, longer batter life and smooth animations.
Chainfuel for Telegram - A tool to help you manage a telegram community, prevent spam
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.
Teleme.io - "The easiest way to manage telegram groups. TeleMe's flexible tools are designed for any telegram community. Plan ahead, set bot rules and track member interactions. From anti-spam to daily scheduled tasks tools, we've got you covered".