Apps similar to sleek include Super Productivity, which is free and open source. Other options are Todoist, TickTick, Tasks.org and Planify. Todo List Managers like sleek are a crowded field, with more than 100 alternatives for Android, Windows, Mac, iPhone and the web.
Think of Vikunja like the notebook you have with all your things to keep track of. But better.
Germany
EU
Organize and schedule tasks with cross-device sync, reminders, recurring events, color-coded lists, collaboration, subtasks, and notes. Offers daily planning, Outlook integration, suggestions, GTD support, and a clean interface for work, school, and personal organization.
United States
Local-first task manager with a visual weekly timeline. Works offline, syncs across devices, and self-hosts with one Docker command. Uses SQLite by default, so no external database is needed.
Australia
Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.
GermanyEU
Focalist is a fast, intuitive daily task management web app—designed to help you eliminate distractions and focus on what matters. Available everywhere.
Norway
Offline desktop task manager prioritizing privacy with full local data storage, multiple independent profiles with PIN lock, drag-and-drop task management, flexible priorities, tags, secure recurring reminders, rich file attachments, and customizable UI themes.
Optimize productivity with a simple to-do list and timer, offering focus mode, Pomodoro timer, subtasks, notes, anti-distraction alerts, and integrations like Notion and Google Calendar, plus development of new features like a mobile app.
United Kingdom
The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.
EstoniaEU
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.
United States
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.
GermanyEU
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.
GermanyEU
