Best Diagramming Software in 2026
Updated
In short: EdrawMax is ranked #1 of 45 as of 7 October 2026, ahead of Ilograph and Creately. The best-ranked option with a free plan is Ilograph. The lowest first paid tier on this page is Gliffy at $2.80/mo.
Diagramming software can help turn processes, systems, and ideas into visual forms. Compare diagram types and import/export formats to see what kinds of work each tool supports, then consider offline editing and real-time collaboration for your preferred way of working. Desktop apps and editor seat limits add practical details for solo or team use; free-plan availability and paid-from pricing are also listed. EdrawMax, Ilograph, and Creately are among the options, alongside draw.io and Camunda. Weigh the available diagram and collaboration features against the formats you need to exchange and how you expect to edit.
45 diagramming software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Compare all 25 in a table
| # | Tool | Score | Free plan | From | Free plan | Paid from | Real-time collaboration | Diagram types |
|---|---|---|---|---|---|---|---|---|
| 1 | EdrawMax | 8.0 | Free plan | $5.90/mo | Yes | — | — | — |
| 2 | Ilograph | 7.8 | Free plan | — | Yes | 11.99 /user/mo | — | relation, sequence |
| 3 | Creately | 7.6 | Free plan | Free | Yes | — | — | — |
| 4 | draw.io | 7.6 | Free plan | Free | Yes | — | Yes | flow charts, mind maps, org charts, Venn diagrams, infographics, network diagrams, architecture diagrams, floor plans, electrical diagrams, rack diagrams, UML diagrams, BPMN diagrams, Kanban boards, ER diagrams, Mermaid diagrams, Gitflow diagrams, C4 models, threat models |
| 5 | Software Ideas Modeler | 7.6 | Free plan | Free | Yes | — | — | — |
| 6 | Camunda | 7.5 | Free plan | Free | Yes | — | — | — |
| 7 | Microsoft Visio | 7.5 | No | $5/mo | No | 5 /user/mo | Yes | basic, block, business matrix, Venn, cycle, pyramid, flowchart, process, cross-functional, SDL, UML, ERD, network, Azure, AWS, BPMN, floor plan, HVAC, plant layout, timeline, Gantt, PERT, ITIL, Pivot, Six Sigma, value-stream map, organization chart |
| 8 | Cacoo | 7.4 | Free plan | $6/mo | Yes | 6 /user/mo | Yes | flowcharts, wireframes, network diagrams, organizational charts, BPMN diagrams, component diagrams, deployment diagrams, AWS architecture diagrams |
| 9 | Lucidchart | 7.2 | Free plan | Free | Yes | — | Yes | process maps, flowcharts, org charts, technical diagrams, system architecture diagrams, UML diagrams, ERDs, sequence diagrams, Gantt charts, C4 models |
| 10 | Visual Paradigm | 7.0 | Free plan | $4/mo | Yes | 4 /user/mo | Yes | UML, SysML, flowchart, organization chart, ER, BPMN, data-flow, EPC, mind map, C4, Gantt, wireframe, cloud architecture |
| 11 | Bizagi Modeler | 6.9 | Free plan | Free | Yes | — | Yes | BPMN process diagrams; value chain diagrams |
| 12 | Gliffy | 6.9 | Free plan | $2.80/mo | Yes | — | No | flowcharts, UML diagrams, BPMN diagrams, network diagrams, entity-relationship diagrams, AWS architecture diagrams, org charts, mind maps, wireframes, floor plans, swimlanes, Venn diagrams |
| 13 | StarUML | 6.9 | No | $129/mo | No | — | Yes | UML 2, entity-relationship, data flow, flowchart, mindmap, C4, SysML, BPMN, UI wireframe, AWS architecture, GCP architecture, Azure architecture |
| 14 | yEd Graph Editor | 6.9 | Free plan | Free | Yes | — | — | BPMN diagrams, semantic networks, family trees, flowcharts, social networks, UML class diagrams, entity relationship diagrams, swimlane diagrams |
| 15 | Arcentry | 6.8 | Free plan | $9.90/mo | Yes | — | Yes | Infrastructure, cloud architecture, network, 2D, 3D |
| 16 | D2 | 6.8 | No | — | Yes | — | — | software architecture diagrams; UML class diagrams; sequence diagrams |
| 17 | Eraser | 6.8 | Free plan | $15/mo | Yes | 15 /user/mo | Yes | Flow charts, entity-relationship diagrams, cloud architecture diagrams, sequence diagrams, BPMN diagrams |
| 18 | ClickCharts | 6.6 | No | — | Yes | — | — | Block, BPMN, brainstorming, data flow, electrical, ER, family tree, fishbone, flowchart, mind map, network, organizational, process flow, UML class, Venn, VSM, graph |
| 19 | CloudSkew | 6.6 | Free plan | Free | Yes | — | No | cloud architecture diagrams, network diagrams, flowcharts |
| 20 | SmartDraw | 6.6 | No | — | No | — | Yes | 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 |
| 21 | ARIS | 6.5 | No | — | — | — | — | — |
| 22 | IcePanel | 6.5 | Free plan | $40/mo | Yes | — | Yes | Context diagrams, app diagrams, component diagrams |
| 23 | Preceden | 6.5 | Free plan | $10/mo | Yes | — | No | timelines, Gantt charts, project roadmaps, legal chronologies, comparative timelines |
| 24 | MyDraw | 6.4 | No | $3/mo | No | — | — | flowcharts, organizational charts, family tree diagrams, cross-functional diagrams, cause-and-effect diagrams, data flow diagrams, mind maps, SDL diagrams, Venn diagrams, workflow diagrams |
| 25 | Textografo | 6.4 | Free plan | Free | Yes | — | Yes | flowcharts, mind maps, decision trees, organizational charts, sitemaps, cross-functional flowcharts |
Is your tool on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which diagramming software is ranked first on Specifiction?
EdrawMax is ranked #1 of 45 with a score of 8.0. Ilograph is second and Creately third.
How many of these have a free plan?
18 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Gliffy has the lowest first paid tier we found: $2.80/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.













