At Casami we wanted a place for tasks, contacts and action points that we could use from different locations. We chose Trello and were pleased with it. I described it as an online whiteboard: boards containing cards you can move and add information to.
Make work visible
A simple board can start with three lists: to do, in progress and done. Put one actionable task on each card. Assign an owner and, if useful, a date. Move the card as work changes. The team can quickly see what is blocked and what is finished.
The value is not in having many boards. If tasks are scattered or every card becomes a long discussion, the overview disappears. Agree what belongs on a card and when to update the board. Use it as a shared memory, not a collection of notifications.
Check current features
Trello still describes boards, lists and cards as its foundation. It also supports dates and collaboration, but plans and individual features change. The old discussion of its freemium model and a specific paid plan in my first article should not be read as buying advice. Start with a real project and see whether the board clarifies the next action.