ActivityTimeline is a capacity planning plugin for Jira, which you can also use for time tracking in Jira to generate simple timesheet reports.
With our app, Jira resource planning becomes much easier, so you know who is doing what and when it's going to be done.
Activity Timeline add-on for Jira also has functionality for resource management, team planning, Jira project management and so much more. Feel free to request a free demo with our product experts.