gtm (Git Task Manager) is a tool for tracking tasks and time directly through git, suitable for developers seeking integrated time management.

A command-line application to track tasks, including start times, finish times, and durations for effective time management.

A command-line, open source time tracking tool for Linux, focused on fast and efficient time logging. Exports data in JSON format. Licensed under MIT.

Bartib is a command-line time tracking tool that logs activities in plaintext files and provides flexible reporting options, making it suitable for straightforward personal time tracking.

An extension for Timewarrior that generates invoices in LaTeX format based on tracked time data.

Chrono is a fast, Go-based time tracking tool with a simple interface, suitable for users who need efficient and straightforward time logging.