Quip: Team Documents for Slack - Create, share and get notified about Quip docs in Slack
Slack - A messaging app for teams who see through the Earth!
Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.
WorkStudio - Simple, collaborative work management
Papermind - Papermind Slack App is a collaborative article-editing and document management platform for Slack
Flow - Stop managing projects from your inbox.