Klok
Visual time tracking desktop application for Mac, Windows, and Linux that displays time entries as calendar-like blocks, featuring automatic timers, project hierarchies, and calendar integration for efficient time management.
Last updated: 2026-03-15 03:13
Overview
Klok is a time tracking desktop application that helps professionals and teams monitor work hours, manage projects, and generate detailed reports for efficient productivity and billing. It's a straightforward time management tool for Mac OS X, Windows, and Linux users.
Key Features
Visual Time Display
Klok shows your time entries as blocks that fill up your days very much like your calendaring application works. It offers:
- Simple work timer
- Visual display of how your days "fill up"
- Calendar-like interface
- Color-coded time blocks
- Easy-to-read daily/weekly views
Flexible Project Management
Klok allows you to set up your clients, projects and tasks with unlimited hierarchy:
- Clients
- Projects under clients
- Tasks under projects
- Sub-tasks
- Sub-sub-tasks (unlimited nesting)
True Time Tracking
You can start working on an item by dropping it on the "Drop here to work on" area at the top of the screen:
- Automatic timer start for current task
- Automatic stop when switching tasks
- Drop-and-drag task switching
- Real-time tracking
- No manual timer management
Additional Capabilities
- Calendar Integration: Automatic connection to your calendar to import meeting entries automatically
- Dashboard Access: Analyze time tracking data through comprehensive dashboards
- Export & Invoicing: Timesheet export, invoice generation, and dashboard reporting
- Cross-Platform: Works on Mac, Windows, and Linux
Pricing & Versions
- Klok Lite (Free): Basic features for individual time tracking
- Klok Pro ($19.99 USD): Advanced features including:
- Calendar integration
- Advanced reporting
- Invoice generation
- Dashboard analytics
Technical Requirements
Klok is an Adobe AIR application, so it requires Adobe AIR in order to run.
Benefits
- Visual representation of time allocation
- Quick task switching with drag-and-drop
- Automatic meeting time capture from calendar
- Hierarchical project organization
- Affordable one-time purchase
- Cross-platform compatibility
Best For
- Freelancers tracking billable hours
- Consultants managing multiple clients
- Professionals needing visual time overview
- Teams requiring desktop time tracking
- Users who prefer visual interfaces over lists
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