klog is a simple, open-source time-tracking tool that uses plain-text files for logging hours. It’s lightweight, privacy-respecting, and integrates smoothly with command-line tools, making it ideal for users who want a customizable time tracking experience.

A tool to keep a record of time dedicated to projects, suitable for tracking productivity and project time allocation.

Open-source command-line task management tool with powerful features including human-readable date formats, synchronization capabilities, and time tracking through its companion TimeWarrior extension. Designed for developers and CLI enthusiasts who prefer terminal-based workflow management.

Powerful command-line todo list application using the todo.txt format with GTD methodology support. Features multiple interface modes including CLI, prompt mode, and a TUI with vim-like bindings, along with advanced tagging for due dates and contexts.

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.