The best open source alternative to Microsoft Planner is AFFiNE. If that doesn't suit you, our users have ranked more than 100 alternatives to Microsoft Planner and 19 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Microsoft Planner are Tasks.org, ToDoList, Taiga.io and Vikunja.
Open-source, privacy-focused workspace combining note-taking, project and task management, Kanban board, interactive whiteboard, Pomodoro timer, Markdown support, offline access, real-time team collaboration with @mentions, goal tracking, subtasks, and customizable features.
Singapore
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.
United States
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.
Australia
Agile project management platform with visual Kanban and Scrum boards, issue and ticket tracking, customizable workflows, dashboard/reporting, time tracking, multilingual support, free and premium SaaS, Open Source, and integrations for team collaboration.
Spain
EU
Think of Vikunja like the notebook you have with all your things to keep track of. But better.
GermanyEU
Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.
GermanyEU
United States
Kanboard is a free and open source Kanban project management software.
Canada
India
A simple and easy to use Todo app complete with Material 3 design and support for its dynamic colors as well as Nextcloud integration!.
AustriaEU
Serbia
TowDow is an open-source, cross-platform application designed for small and mid-sized teams to manage tasks, projects, and processes in one place. It allows you to create projects, assign tasks, set deadlines, and follow progress in real time across desktop and mobile devices.
FranceEU
