SmartDraw vs PlantUML

SmartDraw8.9Visit PPlantUML8.7Visit

Higher score SmartDraw #4 in Diagramming Software 8.9/10 Paid ✓ 1 of 3 features Visit SmartDraw

vs

P PlantUML #6 in Diagramming Software 8.7/10 Free plan Free plan✓ 0 of 3 features Visit PlantUML

• SmartDraw fits best

  Business and technical diagramming teams

• PlantUML fits best

  Open-source UML and technical diagrams

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	SmartDraw 8.9/10 Visit ↗	PPlantUML 8.7/10 Visit ↗
At a glance
Editor score	8.9	8.7
Ranking	#4 in Diagramming Software	#6 in Diagramming Software
Best for	Business and technical diagramming teams	Open-source UML and technical diagrams
Pricing model	Paid	Free
Starting price	—	Free plan
Free plan	—	✓ (best)
Free trial	—	—
Deployment	Cloud, Desktop	Cloud, Self-hosted, Desktop, Browser extension
Platforms	Web, Windows, macOS, Linux	Web, Windows, macOS, Linux
Support	Email, Live chat, Docs	Community, Docs
Integrations	14 integrations	7 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features SmartDraw 1/3 · PlantUML 0/3
Real-time collaboration	✓ (best)	Not checked yet
Desktop apps	Not checked yet	Not checked yet
Offline editing	Not checked yet	Not checked yet
Specs
Diagram types	floor plans, site plans, building layouts, evacuation plans, accident reconstructions, crime scenes, circuit diagrams, wiring diagrams, electrical plans, planograms, flowcharts, organizational charts, network diagrams, UML diagrams, ERDs, data flow diagrams, timelines, mind maps, Gantt charts, cause-and-effect diagrams	Sequence, use-case, class, object, activity, component, deployment, state, timing, regex, network, wireframe, Archimate, Gantt, mind map, WBS, EBNF, JSON, YAML
Import/export formats	Not checked yet	Not checked yet
Editor seat limit	Not checked yet	Not checked yet
Our review
Pros	Supports business, technical, IT, engineering, and scaled drawing diagrams Real-time collaboration, comments, version history, and custom shape libraries Integrates with Microsoft, Google, Atlassian, and major storage tools	Text syntax supports UML and many non-UML diagram types Multiple layout engines include Graphviz, Smetana, VizJs, and ELK Integrates with IDEs, Git, documentation tools, Docker, and APIs
Cons	There is no free plan The product may be broader than teams needing one diagram type Desktop apps are available only for Windows and macOS	Built-in real-time multi-user collaboration is not a core feature Version history is not built into the diagramming workflow Text-first authoring is less visual than drag-and-drop editing
Our verdict	SmartDraw is paid diagramming and scaled-drawing software for organizations, professionals, and non-technical users. Its coverage includes flowcharts, workflows, organizational charts, mind maps, project charts, technical engineering and… Read the review →	PlantUML is an open-source diagram generator for developers, architects, technical writers, and teams that prefer defining diagrams as text. Its syntax covers standard UML diagrams such as sequence, use case, class, activity, component,… Read the review →

Strengths and trade-offs

• SmartDraw — where it wins

  • Supports business, technical, IT, engineering, and scaled drawing diagrams
  • Real-time collaboration, comments, version history, and custom shape libraries
  • Integrates with Microsoft, Google, Atlassian, and major storage tools

  Where it doesn't

  • There is no free plan
  • The product may be broader than teams needing one diagram type
  • Desktop apps are available only for Windows and macOS

• PlantUML — where it wins

  • Text syntax supports UML and many non-UML diagram types
  • Multiple layout engines include Graphviz, Smetana, VizJs, and ELK
  • Integrates with IDEs, Git, documentation tools, Docker, and APIs

  Where it doesn't

  • Built-in real-time multi-user collaboration is not a core feature
  • Version history is not built into the diagramming workflow
  • Text-first authoring is less visual than drag-and-drop editing

• SmartDraw8.9/10 · Paid

  A paid diagramming suite with wide coverage, collaboration, migration tools, and integrations.

  Visit SmartDrawFull verdict →
• PPlantUML8.7/10 · Free plan

  A capable text-first diagram generator for technical teams and documentation workflows.

  Visit PlantUMLFull verdict →