Which project management system to choose for internal use?

Question

CRM

The management set the task of finding a ready-made solution (or partially covering what is needed with the possibility of finishing up to the desired one). The department is not large (no more than 10 people), but the organization is widely spread across the region. It is impossible to use online services in view of the specifics of work, only what can be deployed at your own facilities. of the main tasks
1. Task/project management.
2. Mail
3. Chat
4. Wiki
in the future
5. inventory of equipment / software.
6. Integration with MS AD
The tasks are all related to IT, but they vary greatly from simple ones (refill the printer, check the network) to global ones (development of 1C configurations and special programs).
Now I study OpenProject.

Answer 1

https://www.phacility.com/
And www.redmine.org of course...

Answer 2

redmine

Answer 3

redmine
bitrix24