Best Diagramming Software in 2026 · page 2
- 26
Vexlio
Free planWebSelf-hosted6.8From $18 a year - 27
OmniGraffle
iOSmacOS6.7 - 28
PlantUML
PlantUML turns textual descriptions into diagrams, covering UML types such as sequence, use-case, class, object, activity, component, deployment,…
Free planWebAPIExtensionLinux6.7Free plan - 296.7$129 one-time
- 30
Bizagi Modeler
Bizagi Modeler lets users create, document, simulate, publish, and share business processes using BPMN.
Free planWebWindows6.6Free plan - 31
ConceptDraw DIAGRAM
macOSWindows6.6$199 one-time - 32
ConceptDraw Office
macOSWindows6.6$499 one-time - 33
Pencil Project
Pencil Project is a free, open-source desktop tool for creating GUI mockups, wireframes, and diagrams.
Free planLinuxmacOSWindows6.5Free plan - 34
yEd Graph Editor
yEd Graph Editor is desktop software for making diagrams manually or importing external data and arranging it with automatic layouts.
Free planLinuxmacOSWindows6.5Free plan - 35
Graphviz
Graphviz is open-source software for turning graph descriptions into diagrams of graphs and networks.
Free planAPILinuxmacOSSelf-hosted6.4Free plan - 36
D2
WebAPILinuxmacOS6.3 - 37
Textografo
Free planWeb6.3Free plan - 38
ARIS
ARIS combines business process management, process mining, and AI capabilities to connect process design with execution data and represent how an organization operates.
WebAPISelf-hostedWindows6.1 - 39
Dia
Dia is a free desktop program for drawing structured diagrams on Linux, macOS, and Windows.
Free planLinuxmacOSWindows6.1Free plan - 40
Diagramming Tool
Free planWeb6.1Free plan - 41
Diagramo
WebSelf-hostedWindows6.0 - 42
SAP Signavio Process Modeler
SAP Signavio Process Modeler is a web-based platform for capturing, improving, and maintaining business processes.
Web5.9 - 43
ClickCharts
AndroidmacOSWindows5.8 - 44
ThinkComposer
Windows5.7