bubbl.us is a mind map tool. It's a visual thinking tool for structuring information, helping you to better understand, remember and generate new ideas.
License: Free
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
Bubbl.us offers a more user-friendly and visually appealing platform for mind mapping, with real-time collaboration features. In contrast, Docear is tailored for academic research, providing robust tools for managing literature and citations, making it more suitable for students and researchers.