Startup Toolkit - Interactive how-to guides to launch your startup
Trello for Slack - Organize anything with anyone, inside Slack
Manager checklist - Cheatsheet of things every manager should do
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Where To Post Your Product - A curated collection of 280+ websites to share your startup
Halp - Slack-first ticketing for internal helpdesk