sleek

sleek is an open‑source todo manager that follows the todo.txt format, supporting all classic attributes and adding tag‑based filtering, customizable grouping, and full‑text search. It presents a clean, simple interface aimed at keeping the focus on task completion while allowing completed items to be hidden or archived to separate done.txt files. The application continuously monitors todo.txt files for external changes, ensuring easy interoperability with other todo.txt tools.

The software runs on Windows, macOS and Linux and is distributed through various package sources, including the Apple and Microsoft app stores, Snap, Flathub, Homebrew, and the Arch User Repository. It is available in several languages and can be installed via direct downloads from SourceForge or GitHub releases.

sleek targets users who prefer a lightweight, file‑based todo system and need quick retrieval of tasks through tags and search, while maintaining compatibility with the broader todo.txt ecosystem. Its minimal feature set focuses on essential task management without unnecessary complexity.