CmapTools Alternatives for Mac OS X

Lucidchart is a web-based application to draw diagrams.

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

LibreOffice is a full-featured office productivity suite that provides a near drop-in replacement for Microsoft Office.

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

Creately is a collaborative diagramming and design software used by teams around the world to communicate more effectively.

Visual Understanding Environment or VUE is a free, open source concept mapping application written in Java.

ConceptDraw MINDMAP is a mind mapping and brainstorming software.

Edraw Max is comprehensive mind mapping and planning tool network diagrams, floor plans, workflow diagrams, business charts, and engineering diagrams.

SpiderScribe.net is an online mind mapping and brainstorming tool. It lets you organize your ideas by connecting notes, files, calendar events, etc. in free-form maps.

Nevron Draw is a software for creating flowcharts and diagrams.

Diagrammix is a tool for efficiently building attractive diagrams and flowcharts.