Lucidchart

Freemium

Lucidchart is a web-based application to draw diagrams.

Dia

Open Source

Dia is free and open source drawing software.

Microsoft Office Visio

Commercial

Microsoft Visio (formerly Microsoft Office Visio) is a diagramming and vector graphics application and is part of the Microsoft Office family.

Freeplane

Open Source

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

Creately

Freemium

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

Google Drive - Drawings

Free

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

MindNode

Commercial

MindNode makes mind mapping delightful.

SpiderScribe.net

Free Personal

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-f…

Diagramo

Open Source

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

MockFlow

Freemium

MockFlow is a collection of wireframe tools, prototyping tools, UI mockups, UX suite.

ProcessMaker

Freemium

ProcessMaker is an Open source web-based workflow software and Business Process Management software.

Diagrammix

Commercial

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

draw.io

Open Source

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

yEd Graph Editor

Free

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

LibreOffice - Draw

Open Source

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

MindMeister

Freemium

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

PlantUML

Open Source

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

Gliffy

Freemium

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…

Edraw Max

Commercial

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

Coggle

Free

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

bubbl.us

Free

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.