I would suggest you to take a look at Tuleap https://www.tuleap.org/ https://www.tuleap.org/, an all-in-one 100% open source tool for agile management and devel

I would suggest you to take a look at Tuleap https://www.tuleap.org/ https://www.tuleap.org/, an all-in-one 100% open source tool for agile management and development tool. You have a panel of modules you can choose to work, with by project. It supports Scrum, Kanban, waterfall-oriented approaches. It provides a powerful issue tracking system with hight level of workflow customisation options. It integrates finely Git, Gerrit, Jenkins and Test management as well as Document Management. Disclaimer: I'm fan of Tuleap as I'm member of the Tuleap team :-)