The best free alternative to XMind is FreeMind, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to XMind and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to XMind are Freeplane (Free, Open Source), Mindomo (Freemium), TreeSheets (Free, Open Source) and Lucidchart (Freemium).
Minzel is a beautiful and free mindmapping tool built for creatives and gives you the power to visualize your thoughts. It is simple to use and allows fast and productive mind mapping. You can use Minzel on every modern browser.
miMind is a mind mapping tool designed to create and share ideas and activities, such as, project planning, brainstorming ideas, designing, thought structuring, summarizing ideas, discussions, poster presentation, project demonstrations and many other creative applications.
GitMind is a free online mind map maker for brainstorming, project planning, development, action, and other creative tasks. This tool lets you share mind maps with tons of users and collaborate with them.
Heimer is a desktop application for creating mind maps and other suitable diagrams. It's written in Qt and targeted for Linux and Windows. Features: Easy-to-use UI Very fast Zoom in/out/fit Zoom with mouse wheel Save/load in XML-based .