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.

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

draw.io is free online diagram software for making flowcharts, process diagrams, etc

Diagramo is an online flowchart software. It's FREE and Open Source ( GPL ) It's pure HTML5 Share and collaborate.

Freeplane is a free, open source software application for creating mind maps and electronic outlines.

Google Drawings is a free, web-based diagramming software developed by Google.

Coggle is a freeware mind-mapping web application. Like other mind-mapping software, Coggle produces hierarchically structured documents, like a branching tre…

Dia is free and open source drawing software.

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

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

Gliffy is software for diagramming via a HTML5 cloud-based app. It is used to create UML diagrams, floor plans, Venn diagrams, flowcharts and various other ki…

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