Task manager with the ability to customize?

Question

CMS

Good afternoon, there is not enough functionality of existing programs. Now I use Doit, MS Project, Onenote, excel
Required: todo (just a to-do list for workflow and projects)
* project management (project registry, Gantt, milestones, milestones)
* wiki store project information
* file storage (optional)
Considering Redmine for improvement. Maybe there is still software with the possibility of refinement for yourself?
Can be paid

Answer 1

How a developer has used JIRA, Asana, and Wrike at various times. Integrate any of these systems with Gitlab/Bitbacket and enjoy