Flexibility in usage on the boards.

The flexibility to allow each of my team members to create a board in their own image has been unbelievably valuable for adoption, use, and productivity. Everything else, like Power-Ups, and Teams views/boards has been gravy on top.

You can go very deep and use it for many situations for free.

I like the fact that I can use it for pretty much everything. I use it to manage knowledge within my company, keep notes on every city I visit, etc

Trello is simple to use and the price is right

Growing list of integrations. Particularly like the TeamGantt sync. Makes it easy for our development team and product team to communicate and plan the roadmap.

Trello is both simple and extensible, meaning that it's both easy to start using and tweaking to your needs.

Its beauty and flexibility.

I enjoy the simplicity - it's usually the fastest and easiest way to track something

Easy to use and get started. Didn’t need to read a manual