XMind is the most professional and popular mind mapping tool. Developed by XMind LTD
License: Freemium
Docear is an academic literature suite. Docear bundles several applications for academics. As of now, these applications are BibTeX based reference management, mind mapping, and some pdf management capabilities. Developed by Joeran Beel, Stefan Langer, Marcel Genzmehr, and others...
License: Open Source
Docear is a free, open-source tool that integrates reference management with mind mapping, making it ideal for academic research. In contrast, XMind is a commercial software known for its user-friendly design and wide range of templates, focusing more on business and general-purpose mind mapping.