sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. It's available for Windows, MacOS and Linux.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Global
+1
Challenge Achieved Alternatives
Sites and apps similar to Challenge Achieved include Trello, which has a free version. Other options are Todoist, TickTick, Tasks.org and Habitica. You're spoiled for choice with Todo List Managers like Challenge Achieved: we list more than 100 alternatives for iPhone, Android, Mac, Windows and iPad.
Alternatives list
- 242 sleek alternatives
483 Things alternativesTask 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.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- iPhone
- iPad
- Apple Watch
Germany
EU
+1
133 Taskwarrior alternativesTaskwarrior 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...
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
+2
499 Any.do alternativesAny.do is an award-winning app used by millions of individuals, families and teams to stay organized and get more done.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Chrome OS
- Android Tablet
- iPad
- Apple Watch
- Android Wear
- Software as a Service (SaaS)
Israel
265 OmniFocus alternativesOmniFocus is designed to quickly capture your thoughts and ideas to store, manage, and help you process them into actionable to-do items.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Mac
- Online
- iPhone
- iPad
- Apple Watch
United States
+9
177 Taskade alternativesAI-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.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Microsoft Edge
- Google Chrome
- Mozilla Firefox
- United States
+2
285 Todo.txt alternativesTrack 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.
Platforms
- Mac
- Windows
- Linux
- BSD
- United States
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online
- Android
- iPhone
- Blackberry
- Android Tablet
- iPad
- Software as a Service (SaaS)
- United States
+2
109 Widget-Board alternativesWidget Board is a productivity tool that lets you create custom boards with your favorite widgets such as tasks, notes, media, date & time, weather, calendar and so much more!.
Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Online
- Google Chrome
- Context Chrome Extension
- Software as a Service (SaaS)
- United States
+9
156 Condution alternativesExperience Condution, a powerful yet incredibly simple check-list application that supports your needs from study, business, and life. Bring Condution with you across the Globe and let it be your second brain — so you can focus on living your best life.
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- United States
+7
293 Restyaboard alternativesTrello like kanban board. Tasks, to-dos, chat, etc., Restyaboard is based on Restya platform with dual License (OSL 3.0 & Commercial License).
Cost / License
- Freemium
- Open Source
Application typeApplication types
Alerts
- Discontinued
Platforms
- Self-Hosted
- Docker
India
181 Doit.im alternativesSimple GTD application to manage your tasks and to-dos. Syncs with web server. Complete with the usual Inbox, Today, Next, Tomorrow, Scheduled and Someday "buckets" as most GTD programs have. You can also create Projects for tasks with multiple steps.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- iPad
China
+2
