Toodledo is a popular and powerful online productivity tool. Manage your to-do list, take notes, track habits, and organize ideas into outlines and lists. Developed by Jake Olefsky
License: Freemium
Todo.txt is a minimalist task management tool that uses plain text files, making it highly customizable but less feature-rich than Toodledo, which offers a comprehensive set of tools and integrations for advanced task management.