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, TickTick, Tasks.org and Markor.
Free, open-source software offering task management and time tracking across Linux, MacOS, and Windows with Jira, GitHub, and GitLab integration, plus a pomodoro timer for breaks and focus. Designed with privacy in mind, it requires no user data collection or registration.
Organizes tasks efficiently with quick add scheduling, 60+ tool integrations, advanced language recognition for recurring tasks, and platform compatibility. It offers project templates, visual task priorities, and personalized productivity insights.
Organize tasks with lists, tags, and priorities. Share task lists with others, attach files, and set up to 5 reminders per task. Use checklist, note-taking, and Pomodoro timer features for productivity.
Tasks is libre open-source software, based on the original source code from the popular Astrid Tasks & To Do List! Tasks is easy-to-use, feature-packed, flexible and customizable, and synchronizes with a variety of services.
Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...
Open-source kanban board featuring real-time collaboration, customizable labels, filtered views, card comments, attachments, member assignments, permission roles, checklists, notifications, responsive design, integration options, and self-hosting support.
Organize projects with deeply nested tasks, multi-language support, and flexible XML storage. Streamline scheduling, customize printing with stylesheets, and collaborate efficiently on multiple projects, including IT and general GTD use, on Windows or Linux via WINE.
Lightweight, self-hosted app for managing personal checklists and notes with drag and drop, progress bars, Kanban boards, Markdown WYSIWYG editor, file-based data, user management, sharing options, themes, open source, and API access.
An award-winning cloud-based Project Management software aims to help collaborative teams organize and manage from small enterprise projects to large-scale initiatives.
Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.
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...
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