OpenTasks is described as 'A simple task manager app, allowing you to categorise your todo list by urgency, state, timeframe etc' and is a Task Management tool in the office & productivity category. There are more than 50 alternatives to OpenTasks for a variety of platforms, including iPhone, Android, Mac, Web-based and iPad apps. The best OpenTasks alternative is Trello, which is free. Other great apps like OpenTasks are Todoist, Workflowy, Tasks.org and TickTick.
All-in-one system integrates project, task, and time management with customizable modular dashboards, collaborative image annotation, multiple task views, and granular workflow customization for teams of any size or industry, streamlining complex to simple projects.
Organize and visualize tasks with Trello's boards, lists, and cards. Customize workflows for projects, streamline team collaboration, and integrate tasks seamlessly without starting from scratch. Suitable for meetings, onboarding, and brainstorming with proven playbooks.
Trello is the most popular Web-based, Windows, Android & Mac alternative to OpenTasks.
Trello is the most popular free alternative to OpenTasks.
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.
Todoist is the most popular Linux alternative to OpenTasks.
Offers limitless nested lists for outlining, instant sync on web and mobile, real-time collaboration, file and photo uploads, kanban boards, tagging, offline editing, hoisting for branch focus, content sharing, text highlighting, and Dropbox auto-backup.
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.
Has subtasks and ordering. Can sync tasks as well.
Tasks.org is the most popular Open Source alternative to OpenTasks.
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.
An award-winning cloud-based Project Management software aims to help collaborative teams organize and manage from small enterprise projects to large-scale initiatives.
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.
Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.
Focalboard is the most popular Self-Hosted alternative to OpenTasks.
Focalist is a fast, intuitive daily task management web app—designed to help you eliminate distractions and focus on what matters. Available everywhere.
All-in-one system integrates project, task, and time management with customizable modular dashboards, collaborative image annotation, multiple task views, and granular workflow customization for teams of any size or industry, streamlining complex to simple projects.
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Not open-source, and there are better freemium task management apps like Asana and Quire