The best open source alternative to Trello is Wekan. If that doesn't suit you, our users have ranked more than 100 alternatives to Trello and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Trello are Taiga.io, Kanboard, Restyaboard and Kan.bn.
Wekan, formerly LibreBoard, is an open-source and collaborative Trello -like kanban board application.
It looks great and works also great, but it eats many ressources
It's just a trello clone but there are much better alternatives.
Taiga is the easy and intuitive yet powerful agile project management tool for multi-functional teams. Taiga has a best in class Sprint task board, and you can seamlessly migrate to Kanban if needed.
More options, less restrictions, more control
Taiga is not comparable to Trello. Restyaboard and Wekan are the real alternatives to the Trello.
It has functionality of kanban. It has another version of project of scrum. They are independent, so you can't have them together. I think it's worse than trello. In terms of Kanban, it has much less features.
Same functionality, a simpler interface (debatable), but open source and without complex requirements.
Kanboard is free, easy to install and easy to use. Really good alternative.
Open source, but no Ajax or any similarities with Trello. I'd rather prefer Wekan or Restyaboard
Trello like kanban board. Tasks, to-dos, chat, etc., Restyaboard is based on Restya platform with dual License (OSL 3.0 & Commercial License).
Open source. Perhaps the only real alternative for Trello in this segment. They have nice comparison page against Trello http://restya.com/board/comparison
Still in active development, has a lot of installation options, but have no packaged version for most common Linux systems, like Debian or Debian-based distros (Ubuntu), RedHat/Centos or derived distros. I mean It's not boxed yet, installation with shell script is really ugly now, in 21th century.
Default color scheme is pink and in version I installed it's real pain to modify it to something more comfortable and convinient.
Open source kanban platform offering team collaboration, workspace members, board visibility controls, Trello import, card labelling, detailed activity logs, commenting, and self-hosting options, plus upcoming board templates and third-party integrations.
Redmine is a flexible project management web application. Written using Ruby on Rails framework, it is cross-platform and cross-database.
Super clean, customizable, and easy to use. I installed this on my mom's work computer to help her manage her tasks and her whole team is falling in love with it. The program has a free, personal windows app version or a team/company version that has either a free, self-hosted option or a paid cloud option. It's fantastic and I'm glad we found it.
Open source software that enhances team collaboration and productivity through features like Gantt charts, issue tracking, Scrum support, and document management. Supports classic, agile, or hybrid management styles while ensuring robust data protection and flexible task assignment.
OpenProject is too complex to be a good alternative to Trello. It could be a good alternative to Microsoft Project instead.
Trello is more intuitive and simple to use than OpenProject. Plus you do not have the same list structure as on Trello. I got lost alot on OpenProject while searching for a task.
Think of Vikunja like the notebook you have with all your things to keep track of. But better.
Open source project management platform offering kanban boards, team collaboration with real-time updates and comments, timeline tracking, automation, full customization, MIT licensing, data privacy with end-to-end encryption, self-hosting, and community-driven development.
Stripped features compared to Trello, but very functional and open source and even has a few things Trello doesn't.
Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud.
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It is open-source, you can self-host it (that is made even easier using sandstorm.io) and it protects your privacy.