MailClark - The Slack bot for external communications
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Alert.email - Get your important emails delivered to a Slack channel
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
OneBar - AI-powered Q&A knowledge base for Slack teams
Slack - A messaging app for teams who see through the Earth!