Gravizo Alternatives

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Open Source

nomnoml is a free and open source tool to generate nice looking UML diagrams from simple text definitions.

Open Source

The Website Builder for Startups

Visit website freemium $25.0 / Monthly

yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.

Software for create adaptable and multilevel diagrams, concept maps, mind maps and models

Online diagramming application

Open Source

Free diagramming, drawing and modelling tool. Supports Unified Modelling Language (UML2) and Business Process Modelling Notation (BPMN2) from the Object Management Group (OMG).

TheBrain: The Ultimate Digital Memory

Simplify and communicate complex information using data-linked diagrams.

The new interface for work to ideate, plan, and execute

freemium $5.0 / Monthly (Unlimited canvases and items)

LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.

Sarbanes Oxley (SOX) compliance requirements, auditing and internal controls are made easy by Predict360's Quarterly Certifications and Attestations application.

paid

FreeMind is a premier free mind-mapping software written in Java.

Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.