3T - Time Tracker for Trello

3T - Trello Time Tracking

Device independent. No extension or plugin required. Use Trello anywhere and do not worry about time tracking.
3T - Comfortable and easy-to-use real-time Trello Time Tracker.
Easily track and estimate time that cards spend on lists with pre-defined and your own list names.
Start tracking time by moving cards or just writing a comment: start, bug fixing, end, stop
or by 'Time Tracking' checklist or setting up our Power-Up.
Reports and invoices for separate and all projects in Trello and plan your tasks and projects using Gantt.
Notifications in Slack if a task has taken more than 8 hours or a member has more than one task at the same time, any Gantt project/task can not be added to Trello, and more...

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US Based Servers

Getting started

Sign in with your Trello account and start working
It’s free for teams that have up to 2 members! Let time be your greatest power. Enjoy using 3T

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Get more details

Trello time tracking requires 3T. But 3T is much more than just time tracking in Trello.

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You can easily find answers to frequently asked questions here.


Automatization and Dashboard for Trello

- Realtime dashboard, workload, charts and widgets

-   QR Codes

- Auto-start/auto-stop tasks and tracking

- Emails to Trello cards

- Time spent per coworkers, projects, cards

- Slack notifications on overtime and more

Kanban Desk for Trello

- Visual Kanban desk

- Track tasks, coworkers, states

- Manage resources, track progress

Gantt for Trello

- Plan with Gantt and submit to Trello

- Boards and Cards will be added to Trello automatically

- Assign coworkers, track progress, estimate and more

Timesheets, Reports, Invoices

- Timesheet per team, board, card, time calculator

- Timeline for Trello for all your projects and coworkers

- Analytics, Excels and PDFs with time and billing calculations, invoices

- Edit time, remove tasks, filter data, board templates and more