Trickster - Keep track of recent files on your Mac
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.
Declutter - Cleans and organises your files in Mac desktop automatically
Planyway - Visual project management for Jira and Trello: manage resources, build project roadmaps, use time tracking.
Fossils - Find and clean out all your old unused files
Corrello - Dashboards for agile teams using Trello