Taskwarrior

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.

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

Open-source IDE plugin that automatically tracks coding time across dozens of editors including VS Code, IntelliJ, and Sublime Text, providing detailed metrics on languages, projects, and productivity patterns.

A lightweight time tracking tool integrated with the Awesome Window Manager. It lets users start, stop, and inspect tasks via configurable key bindings and records events to a Qmonix server, where tracked time can be viewed and analyzed through the Qmonix web dashboard. Designed for developers and power users who live inside Awesome WM and want keyboard‑driven time tracking.

Lifeos-cli is a terminal-native application that helps users manage their intentions, habits, and time logs through an agent-friendly interface. It uses a PostgreSQL backend for data storage and is designed for productivity tracking via command line.

Open-source plugin for automatic programming metrics and time tracking in IntelliJ and JetBrains IDEs. Provides free basic time tracking across editors with optional Pro plan for advanced reporting including code time by project.