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.
HMTMAA - Clever tool to estimate cost of building an app
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.
Reporting Tool For Gitlab - Issues, time & cost centre analysis across repositories
Basecamp - A simple and elegant project management system.
Infracost - Open source cloud cost estimator in pull requests