Cost / License
- Freemium
- Proprietary
Platforms
- Mac

sleek is described as 'Open-source (FOSS) todo manager based on the todo.txt syntax. It's available for Windows, MacOS and Linux' and is a todo list manager in the office & productivity category. There are more than 100 alternatives to sleek for a variety of platforms, including Android, Windows, Mac, iPhone and Web-based apps. The best sleek alternative is Super Productivity, which is both free and Open Source. Other great apps like sleek are Todoist, Wekan, Markor and Tasks.org.

MyMaelstrom is a professional time management software designed to enable you to efficiently organize your projects.



A simple app to help you track recurring tasks in your daily life with ease.




Yokadi is a command-line oriented, SQLite powered, TODO list tool. It helps you organize all the things you have to do and must not forget. It aims to be simple, intuitive and very efficient.
Open source, free graphical interface for to-do lists done using the todo.txt approach.

A simple yet powerful list reminder app to help you organize your life and get things done.



Create and share your to-do lists.
xList is a to-do list manager with a effortless interface. It allows tagging, prioritizing, and filtering to ensure that you do not miss anything.
xList records your tasks with the flexibility to make your to-do list as simple or as detailed a.


Online GTD manager.
You can use it to manage your goals, projects and tasks, set next actions and contexts, use checklists, schedules and a calendar. A mobile version is available too.







SwiftoDo is a task list built specifically for the todo.txt file format, and allows you work with your existing todo.txt.




TeamTodoList is like a giant whiteboard in the sky. It lets everyone see what everyone else is working on. It's free.



DevTodo is a small command line application for maintaining lists of tasks. It stores tasks hierarchically, with each task given one of five priority levels. Data is stored as XML, so various XSLT templates can be executed on the XML to convert it into different formats (eg.
