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.

clockify-cli is a command-line interface to manage Clockify time entries and projects, enabling users to track and report time efficiently from the terminal.

Doug is a command-line time tracking utility that helps users track their work hours and tasks efficiently from the terminal. Suitable for developers and users who prefer CLI-based time management tools.