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.
Corrello - Dashboards for agile teams using Trello
Hygger - Hygger - is an Agile project management tool with built-in prioritization.
Toby for Teams - Better bookmarks, now with collaboration baked in 🔖
Codegiant - Codegiant - Issue tracking, git repositories, continuous integration and documentation in a single platform.
Fibery - Work management platform that adapts to companies and grows with them.