What service is suitable for organizing the work of a web studio?

Question

PHP

Necessary requirements:
1. Creation of working groups (programmers, managers, designers, etc.)
2. Unlimited number of projects. Fixing files, descriptions.
3. Creation of applications for projects, the ability to attach files.
4. Discussions in applications, creation of tasks, planning, deadlines, priority, labor costs.
5. Scheduling, Gantt chart.
6. Integration with the mail server, communication with clients via mail
7. Reports on working groups, on group members, the amount of time spent, tasks completed on time, overdue.
8. Status of applications, tasks. (in work, under evaluation, in development, etc.)
9. Restriction of access rights to groups, requests, tasks, states.
10. The service must work in the corporate network.

Answer 1

Redmine, Jira.