The drag and drop of Task stage can be restricted from the kanban view by enabling the access group for the particular user
Kanban Background Color
Adds a 'Project Administrator' access group with restricted visibility to 'Projects'
Add a description to projects
Add a description template to project tasks
Render arrows between dependencies.
Add notes in project tasks
Personal Tasks, Contexts, Timeboxes
Enable easily customizing view modifiers.
Restore State attribute removed from Project Stages in 8.0
Add relationship between Analytic and Department
Allow modify defaults mail thread followers
Create stock requests from a projects and project tasks
Adds budget management to projects.
The module adds an action to duplicate tasks with the child subtasks
Add message chatter on the Project form.