Lurchr - Saves all your Slack links, so you can focus on work
Amium - A collaboration app that brings conversation to your files
Tettra - Tettra is a company wiki that helps teams manage and share organizational knowledge.
Dropbox Paper Mobile - Organize your team’s knowledge in a single place
Paperbot (Reloaded) - Slack meets Pocket
Dropbox Paper - A collaborative document-editing service