Freeplane Alternatives for Online

Lucidchart is a web-based application to draw diagrams.

yEd is a free general-purpose diagramming program with a multi-document interface.

Mindomo is an online mind map Software where users can create, view and share mind maps in their browser.

MindMeister is a collaborative mind mapping software that allows its users to visualize their thoughts.

TheBrain, formerly branded PersonalBrain, is a mind mapping and personal knowledge base software.

MindManager is a commercial mind mapping software application developed by Mindjet. The software provides ways for users to visualize information in mind maps and flowcharts.

PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language.

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.

Cacoo is a user friendly online drawing tool. Multiple users editing the same diagram means Real-Time Collaboration.

Gingko lets you shape your ideas with lists, outlines and cards, all in the same clean interface.

Coggle is a freeware mind-mapping web application. Like other mind-mapping software, Coggle produces hierarchically structured documents, like a branching tree. This contrasts with conventional collaborative editors, like Google Docs, which provide either linear (text document), or tabular (spreadsheet) document formats.

germ lets your team capture every great idea, brainstorm and turn them into actionable project plans.

iMindMap is the official Mind Mapping software.