Community Bot - Automate your Slack community management
Meetingbird for Gmail - View your calendar and schedule meetings right from Gmail
Chainfuel for Telegram - A tool to help you manage a telegram community, prevent spam
Kin Calendar - The simple and connected calendar
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".
Calendly for Chrome - Schedule meetings without leaving your inbox