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.

Datree.io - GitOps policy engine

Nifty - Manage projects, work, and communications in one place.

Reporting Tool For Gitlab - Issues, time & cost centre analysis across repositories

Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

GitLocalize - Localize your GitHub repository, continuously.