Track your tasks and projects in a plain text file, todo.txt. A todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily manipulated.

MeisterTask is the most intuitive task management and collaboration tool on the web. Sign up, invite your team and start working. No training required.

Plan combines all of your calendars, projects, tools, and documents into one intuitive place - the central hub for your work-life.

Legend (formerly Moo.do) is a notepad, a to-do list, and an outliner, but with advanced features that make the cloud-based application much more useful than any of those tools would be on their own.

Nirvana is a secure, cloud-based GTD® task manager accessible from your desktop web browser and mobile devices. If you have more to do than you can manage in your head, or if you want greater clarity of mind and focus in life, Nirvana is for you.

2Do lets you take a completely different approach to managing your tasks. With its extremely simple-to-use interface and a comprehensive and flexible set of powerful features, it lets you focus on what's most important to you: your life.

Search thousands of checklists or make your own. Access them on any device with our 100% free To Do apps. Share them with friends and colleagues.

Turn your notes into a website.

neutriNote is an all-in-one preservation of written thoughts, be those text, math (LaTeX), rich markdown, drawings, etc., in fully searchable plain text (universal UTF-8).

Everdo is the best cross-platform todo list and Getting Things Done app. For Windows, Linux, Mac.