Lucidchart

Freemium

Lucidchart is a web-based application to draw diagrams.

yEd Graph Editor

Free

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

Pencil Project

Open Source

Pencil Project is an open-source GUI prototyping tool.

LibreOffice - Draw

Open Source

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

Creately

Freemium

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

PlantUML

Open Source

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

Adobe XD

Freemium

Adobe XD is a commercial vector user experience design tool for designing web apps and mobile apps

Axure RP

Commercial

Axure RP is a wireframing, rapid prototyping, documentation and specification software tool aimed at web and desktop applications.

Diagram Designer

Free

Diagram Designer is a vector graphics editor that allows you to create UML class diagrams, illustrations, flowcharts and slide shows.

Dia

Open Source

Dia is free and open source drawing software.

XMind

Freemium

XMind is the most professional and popular mind mapping tool.

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.

ConceptDraw PRO

Commercial

ConceptDraw PRO is diagramming software used to create business graphics, including ConceptDraw Flowcharting Suite.

Balsamiq Mockups

Commercial

Balsamiq Mockups is a rapid wireframing tool that helps you Work Faster & Smarter.

Graphviz

Open Source

Graphviz (Graph Visualization Software) is a package of open-source tools initiated by AT&T Labs Research for drawing graphs specified in DOT language scripts…

Gephi

Open Source

Gephi is the leading visualization and exploration software for all kinds of graphs and networks.

Edraw Max

Commercial

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