sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. It's available for Windows, MacOS and Linux.




OpenTodoList is described as 'Todo list and note taking application. It is available for Linux, macOS and Windows as well as on Android. Your information can be shared across devices to keep everything up date date, where ever you go' and is a todo list manager in the office & productivity category. There are more than 25 alternatives to OpenTodoList for a variety of platforms, including Mac, Linux, Windows, Android and iPhone apps. The best OpenTodoList alternative is Super Productivity, which is both free and Open Source. Other great apps like OpenTodoList are Todoist, Workflowy, TickTick and Quire.
sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. It's available for Windows, MacOS and Linux.




Task management has never been this easy. Simplicity, however, is not achieved at the expense of powerful features. Download your free trial today and start getting more things done with less effort.




Things is the most popular commercial alternative to OpenTodoList.
Organize tasks with todo.txt specification support, including parsing, creating, and editing lists. Features built-in help, search, filtering, and compatibility with open plain text files, making it accessible for newcomers seeking an easy task manager.


Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant productivity tool. You'll find it has customizable reports, charts, GTD features, Lua extensions, device synching and more, all while our international team provides excellent...




Any.do is an award-winning app used by millions of individuals, families and teams to stay organized and get more done.



AI-enhanced productivity platform offering a unified workspace for real-time collaboration with document chat, project studio, customizable AI agents, and AI File Chat. Powered by OpenAI's GPT-4 API and ChatGPT, users achieve seamless syncing, utilize AI commands for instant answers, and design custom workflows.




OmniFocus is designed to quickly capture your thoughts and ideas to store, manage, and help you process them into actionable to-do items.








MyLifeOrganized (MLO) is a personal task outliner and to-do list manager which will help you to organize your goals, projects and tasks into a tree.




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.



The comprehensive productivity app that helps you manage tasks, build habits, and optimize your time across all your devices.



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.



