
sleek Alternatives
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, Tasks.org and TickTick.
Alternatives list

Create challenges, track your progress, share with everyone and push your limits. Could be used as free to do list, productivity app and even as a shopping list!.


+1
GoodTask 3 is a Powerful Task/Project Manager based on iOS Reminders & Calendars. You can use it as simple checklist to focus or as complex project management tool to get big things done.


+3
This application allows to create lists of tasks which can be individually managed. Each list contains a set of tasks. Each task can have a deadline, a reminder time and a list of subtasks. By setting a reminder time the user will be informed by a notification.



Collect your thoughts in a calm interface with simple natural language like “Water the plants every Saturday” then let Actions take care of reminding you automatically.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Android
- iPhone
- Android Tablet
- iPad


+7
Taskline, task management software for Microsoft Outlook, automatically schedules tasks to puts you in control of your task list.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Windows
- Microsoft Office Outlook

Have something to remember but can't find a simple to-do list app without ads or in-app purchases ? Well, I have an app for you !
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Alerts
- Discontinued
Platforms
- Android
- Android Tablet




quuxTodo removes the stress of deciding what to do next. Give each task a value and estimate duration: You're good to go. If you have 5 Todos or 5000, the time you spent on managing them stays the same.


Turn the Facebook News Feed into a todo list so you can stop wasting time and start getting things done.

The Ultralist CLI is a simple and very fast task management system for the command-line. It is rooted in the Getting Things Done philosophy, popularized by David Allen. I am a huge fan of GTD and I use it every day.





































