Great for time tracking, works the best with Chrome extension plus Android app.
I didn't use all the features available but for my needs it worked out perfectly. Their customer service is very responsive and polite when it comes to inquiries made.
TrackingTime Power-up to enhance Trello with time tracking.
Get automatic timesheets and enjoy TrackingTime’s in-depth analytics.
Organize anything, together. Trello is a collaboration tool that organizes your projects into boards. In one glance, know what's being worked on, who's working on what, and where something is in a process. Your project can be tracked with time tracking in trello with the tools that TrackingTime has for your company. Find new ways to improve your processes and work times with Trello Time Tracker Power-up. Apps such as Trello provide an easy entry into the world of business collaboration, to more powerful project management solutions.
https://trello.com/