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, Mac, Windows, iPhone and Linux apps. The best sleek alternative is Super Productivity, which is both free and Open Source. Other great apps like sleek are Todoist, TickTick, Markor and Wekan.

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

More about sleek
More about sleek
sleek alternatives page was last updated Jan 29, 2025
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  1. Vikunja icon

    Vikunja

     33 likes
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    Think of Vikunja like the notebook you have with all your things to keep track of. But better.

    166 Vikunja alternatives

    License model

    • Free Personal • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    • Cloudron
    Vikunja screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Kanban Board
    2.  Team work
    3.  Support for MarkDown
    4.  Goal Tracking
    5.  Subtasks
    6.  Gantt-charts
    7.  No Tracking
    8.  Ad-free
    9.  REST API

    Vikunja VS sleek

     

    • Vikunja is the most popular SaaS alternative to sleek.

    • Vikunja is Free Personal and Open Sourcesleek is Free and Open Source
    • Vikunja is Privacy focused and Lightweightsleek is not according to our users
  2. Blitzit icon

    Blitzit

     7 likes
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    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.

    47 Blitzit alternatives

    License model

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    Blitzit screenshot 1

    Properties

    1.  Lightweight
    2.  Distraction-free

    Features

    1.  Pomodoro Timer
    2.  Task Time Tracking
    3.  Calendar View
    4.  Recurring Tasks
    5.  Works Offline
    6.  Reminders
    7.  Two-factor Authentication
    8.  Goal Setting
    9.  Goal Tracking
    10.  Dark Mode
    11.  Subtasks
    12.  No Coding Required

    Blitzit VS sleek

     

    • Blitzit is the most popular commercial alternative to sleek.

    • Blitzit is Paid and Proprietarysleek is Free and Open Source
    • Blitzit is Lightweightsleek is not according to our users
  4. Lunatask icon

    Lunatask

     24 likes
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    Lunatask is an all-in-one encrypted to-do list, habit tracker, journaling, life-tracking and notes app. It remembers stuff for you and knows what to work on next. Choose from a variety of productivity techniques like Kanban, Must/Should/Want Method, Eisenhower Matrix, or Time...

    105 Lunatask alternatives

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    Lunatask screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Pomodoro Timer
    2.  End-to-End Encryption
    3.  Cloud Sync
    4.  Recurring Tasks
    5.  Goal Tracking
    6.  Subtasks
    7.  No Tracking
    8.  Ad-free
    9.  Calendar View
    10.  Reminders
    11.  Calendar Integration
    12.  Notebook

    Lunatask VS sleek

     
  5. Ad
    Screenshot
    Blitzit icon
    Blitzit

    Get a 30% discount on Blitzit with AlternativeTo, use codeALT2

    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 mo...

    https://www.blitzit.app
    Learn More
  6. Taskwarrior icon

    Taskwarrior

     74 likes
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    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...

    120 Taskwarrior alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    Taskwarrior 1.9.3 Blue Theme

    Taskwarrior Features

    1.  Command line interface
    2.  Ad-free
    3.  Works Offline
    4.  GTD-based
    5.  Convert Email to Task

    Taskwarrior VS sleek

     
  7. Things icon

    Things

     185 likes
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    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.

    362 Things alternatives

    License model

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • iPhone
    • iPad
    • Apple Watch
    Things screenshot 1

    Top Things Features

    1.  Subtasks
    2.  Dark Mode
    3.  Calendar Integration
    4.  No Tracking
    5.  Works Offline
    6.  Ad-free
    7.  Support for MarkDown
    8.  Kanban Board
    9.  Cloud Sync
    10.  Two-factor Authentication
    11.  WYSIWYG Support
    12.  Full-Text Search

    Things VS sleek

     
  8. Adventure List icon

    Adventure List

     9 likes
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    Are you ready for an adventure? Adventure List is a to-do list app that helps you organize your tasks and goals in a fun and easy way. Whether you want to plan a trip, learn a new skill, or just get things done, Adventure List is the app for you.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • Flathub
    • Flatpak
    • Android
    • Windows
    Adventure List screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Subtasks
    2.  Cloud Sync
    3.  Ad-free
    4.  Dark Mode
    5.  Reminders
    6.  Goal Setting
    7.  No Tracking
    8.  Recurring Tasks
    9.  Push Notifications
    10.  Desktop Widget

    Adventure List VS sleek

     
  10. EssentialPIM icon

    EssentialPIM

     75 likes
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    The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.

    173 EssentialPIM alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • EE flagEstonia
    • European Union flagEU

    Platforms

    • Windows
    • Android
    • iPhone
    EssentialPIM screenshot 1

    EssentialPIM Features

    Features

    1.  Personal Information Manager (PIM)
    2.  Portable
    3. Google Calendar icon  Google Calendar integration
    4.  Cloud Sync
    5.  Integrated Password Manager
    6.  Dark Mode
    7. Gmail icon  Gmail integration
    8.  Google Apps integration
    9. Google Contacts icon  Google contacts integration

    EssentialPIM VS sleek

     
  11. Everyday Tasks icon

    Everyday Tasks

     8 likes
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    Do you have the need of remembering what you did? Do you need to know about what to do next? Are you lost in your daily household tasks? Do you think your roommate does less then you?

    License model

    • Free • Open Source

    Application type

    Platforms

    • Android
    • F-Droid
    Everyday Tasks screenshot 1
    Everyday Tasks screenshot 2
    Everyday Tasks screenshot 3

    Everyday Tasks Features

    1.  Recurring Tasks
    2.  Dark Mode
    3.  Task Tracking

    Everyday Tasks VS sleek

     
  12. Taskade icon

    Taskade

     200 likes
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    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.

    74 Taskade alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Mozilla Firefox
    Taskade screenshot 1

    Taskade Features

    1.  Cloud Sync
    2.  Real time collaboration
    3.  Calendar View
    4.  Spell Checking
    5.  Task Tracking
    6.  AI-Powered
    7.  Custom templates
    8.  AI-Translation
    9.  AI Summarization
    10.  Flow Chart

    Taskade VS sleek

     
  13. StepList icon

    StepList

     7 likes
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    StepList is a productivity app for important routines. Create, manage, share, and perform checklists. Stay focused and never miss a step with StepList.

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    StepList screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Reminders
    2.  Ad-free
    3.  Recurring Tasks
    4.  No Tracking
    5.  Checklists
    6.  Sharable lists
    7.  Workflow Management

    StepList VS sleek

     
  14. Task Coach icon

    Task Coach

     140 likes
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    Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists. It is designed for composite tasks, and also offers effort tracking, categories, notes and more.

    211 Task Coach alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    Task editor with recurring task (release 0.71.2 on Windows XP)
    Discontinued

    The last version, Task Coach 1.4.6, was released on April 27, 2019.

    Task Coach Features

    1.  Task Time Tracking
    2.  Portable
    3.  Folder Hierarchy

    Task Coach VS sleek

     
  15. Toodledo icon

    Toodledo

     180 likes
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    Tasks, Notes, Habits, Lists & To-Dos, Get Organized.

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Android
    • iPhone
    • Blackberry
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    Toodledo screenshot 1

    Toodledo Features

    1.  Cloud Sync
    2. IFTTT icon  IFTTT Integration
    3.  GTD-based
    4.  Outliner

    Toodledo VS sleek

     
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