The best free alternative to MindMeister is AFFiNE. If that doesn't suit you, our users have ranked more than 100 alternatives to MindMeister and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to MindMeister are LibreOffice - Draw, yEd Graph Editor, Miro and Xmind.
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.
Draw lets you produce anything from a quick sketch to a complex plan, and gives you the means to communicate with graphics and diagrams. With a maximum page size of 300cm by 300cm, Draw is a an excellent package for producing technical drawings, general posters, and much else.
yEd is a powerful diagram editor that can be used to quickly create diagrams manually or import external data for analysis and auto-magically arrange even large data sets by just pressing a button. You can use yEd to quickly create flow charts, BPMN and UML diagrams...
A secure collaboration platform for distributed teams offering real-time and asynchronous capabilities, infinite canvas, integrations with major tools like Google Suite, Slack, and Dropbox, and features for enhanced product development and design workflows.
Cross-platform mind mapping and brainstorming tool offering multi-language support, real-time collaboration, visual templates, markdown and audio notes, cloud sync, device compatibility, file export, and regular feature updates for diverse productivity needs.
Free and open source, Java-based mind-mapping app for the desktop featuring a hierarchical editor that emphasizes folding.
Last version from 2016. See https://sourceforge.net/projects/freemind/files/
DeepNotes is an open source, end-to-end encrypted visual note-taking app with deep page navigation and live collaboration. Create mind maps, diagrams, kanban boards, among others. Infinite nesting of infinite canvases.
Lucidchart is a cloud-based platform that promotes teamwork through diagramming, collaboration, and data visualization. It serves millions worldwide, offering flowcharts, UML, real-time collaboration, Visio support, and browser access. Designed for innovation and understanding, it integrates easily into workflows.
TheBrain helps you organize all your Web pages, contacts, documents, emails and files in a context-driven visual map.
Visual brainstorming tool for quickly capturing and organizing your thoughts and ideas on desktop and mobile.
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Strong emphasis on folding nodes makes it the best mind mapping software for note taking and learning.