Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...
sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. It's available for Windows, MacOS and Linux.
A free native macOS app for people who run tasks in a .txt file. Plain text todo.txt format, keyboard shortcuts for everything. No cloud, no account.
Effitask is a graphical interface for the todo.txt approach for handling to-do lists. It's free, open source and written for Linux.
A free, simple todo list program for Windows. Fast as Notepad, supports subtasks, custom task orders and more. Works as a basic mind mapper as well.
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