Axolo - Reduce pull request time & ship code faster
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.
SeekWell - Write code faster and automate reports in Sheets and Slack
Corrello - Dashboards for agile teams using Trello
gitconvex - A web based UI client for managing git repositories
Toby for Teams - Better bookmarks, now with collaboration baked in ๐