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PlantUML vs Sparx Enterprise Architect

PlantUML

plantuml.com

Sparx Enterprise Architect

sparxsystems.com

Side by side

FigurePlantUMLSparx Enterprise Architect
Price fromFreeFree
Free planYesYes
Free trial—Yes
Open source——
WebYesYes
WindowsYesYes
macOSYesYes
LinuxYesYes
APIYesYes
Self-hostedYesYes
Plans published118
Spec score · Diagramming tools8.5 (#15)9.4 (#1)
Spec score · Diagramming Software8.0 (#28)8.8 (#8)
Spec score · Diagram Software8.0 (#24)8.8 (#4)
Diagram typesIt supports UML diagrams including sequence, use case, class, object, activity, component, deployment, state, and timing diagrams.UML Use Case,Activity,State,Interaction Overview,Sequence,Communication,Package,Class,Object,Composite,Component,Deployment; BPMN; SysML
Founded20091996
Free planYesYes
IntegrationsThe project lists integrations with tools including GitHub, GitLab, Confluence, WordPress, Slack, Visual Studio Code, Eclipse, and IntelliJ IDEA.External-data integration covers Jira, Confluence, Polarion, Azure DevOps/TFS, Wrike, ServiceNow, Autodesk, Bugzilla, Salesforce, SharePoint and Dropbox.
PurposePlantUML creates diagrams from simple textual descriptions.Enterprise Architect is a multi-user visual modeling tool for business and IT systems, software and systems engineering, and real-time and embedded development.
Self hostingPlantUML can run as a local server, and the project recommends this for generating diagrams that contain sensitive information.Pro Cloud Server can run on an organization's intranet, LAN or cloud and connect clients to DBMS repositories without exposing database servers through firewalls.
SupportThe project directs users to its community forum for advice and solutions to common layout issues.Sparx Systems lists a user forum, online manual, bug reporting, feature requests and email support.

Plans

PlantUML

  • PlantUMLFree

PlantUML pricing →

Sparx Enterprise Architect

  • Enterprise Architect LiteFree
  • Lite EditionFree
  • Professional Standard$245, paid once
  • Professional — Standard License$245, paid once
  • Corporate Standard$320, paid once
  • Corporate — Standard License$320, paid once
  • Professional Floating$320, paid once
  • Professional — Floating License$320, paid once
  • Corporate Floating$425, paid once
  • Corporate — Floating License$425, paid once

Sparx Enterprise Architect pricing →

In their own words

PlantUML

PlantUML turns textual descriptions into diagrams, covering UML forms such as sequence, use-case, class, object, activity, component, deployment, state, and timing diagrams. It also supports JSON, YAML, EBNF, regex, network, wireframe, Archimate, Gantt, mind map, and WBS diagrams. Outputs include PNG, SVG, LaTeX, EPS, and other listed formats; sequence diagrams can also be rendered as ASCII art. Its browser editor renders diagrams with JavaScript and refreshes them as the text changes. Layout options include Graphviz, Smetana, VizJs, and ELK, though ELK lacks some features. PlantUML offers integrations for tools including GitHub, GitLab, Confluence, WordPress, Slack, Visual Studio Code, Eclipse, and IntelliJ IDEA. It is free, with a plan listed at free, and runs on web, Windows, macOS, Linux, API, extension, and self-hosted platforms. Local installation requires Java, with version 11 or later recommended; Graphviz is needed for some diagrams. PlantUML can also run as a local server, which the project recommends for sensitive diagrams.

Visit plantuml.com

Sparx Enterprise Architect

Sparx Enterprise Architect is a visual modeling tool for business and IT systems, software and systems engineering, and real-time and embedded development. It supports UML, SysML, BPMN, and other open standards, linking specifications with analysis, design, implementation, testing, and maintenance models. Diagram coverage includes UML use case, activity, state, sequence, communication, package, class, object, component, and deployment types, plus BPMN and SysML. Requirements management supports hierarchical requirements, links to model elements, reporting, and impact analysis. Teams can simulate behavioral models using triggers, guards, and effects, including JavaScript, and generate or reverse engineer code for languages including C++, C#, Java, PHP, and Python. Built-in version control and deployable cloud-based servers support shared projects. The trial lasts 30 days and permits use of any edition, though printed documents carry a watermark. The product supports Windows, Linux, macOS, self-hosting, and API access.

Visit sparxsystems.com