Open source basic version is completely free & customizable as per your requirement. You need to download the source code & install it on your server.
You’ll get the following features: Projects, Tasks, Users, Milestones, Task Template, Email Notification, Daily Update Reminder (Daily Catch-up), Kanban View, Calendar view etc. Check the complete feature list here.
For Premium features, you need to purchase add-ons from our marketplace based on what you need.