Productivity
Best Diagramming Tools in 2026
- 01
Sparx Enterprise Architect It suits analysts, designers, architects, developers, testers, project managers, and maintenance staff working with modeled business or technical systems.
Free plan Web · Windows · macOS · Linux9.4 Visit Specs - 02
SmartDraw SmartDraw suits building and facility managers, construction and public safety professionals, investigators, and estimators who need plans or technical diagrams.
From $0.75/mo Free trial Web · Windows · macOS · Linux9.3 Visit Specs - 03
Creately Free plan Web · Windows · macOS · Linux9.3 Visit Specs - 04
Eraser Eraser suits enterprise architects, DevOps teams, technology consultants, and software engineers who need technical diagrams and team collaboration.
From $15/mo Free plan Web · API · Self-hosted · Browser extension9.1 Visit Specs - 05
draw.io draw.io suits individuals and teams who need to create and share diagrams across platforms without signing up.
Free plan Open source Web · Windows · macOS · Linux9.0 Visit Specs - 06
Cacoo Cacoo suits teams that need to make and share diagrams together, from process maps to technical architecture visuals.
From $6/mo Free plan Web · API · Self-hosted9.0 Visit Specs - 07
Structurizr Structurizr suits software architects and development teams that want to maintain multiple diagrams from a shared model.
From £25/mo Free plan Open source Web · Windows · macOS · Linux9.0 Visit Specs - 08 Gluu From €0.17/mo Free trial Web · iOS · Android · API8.9 Visit Specs
- 09 Software Ideas Modeler
It suits software and process designers who need diagramming, code-generation or reverse-engineering tools.
Free plan Windows · macOS · Linux · Self-hosted8.9 Visit Specs - 10 Microsoft Visio
Visio suits people who need to create diagrams ranging from flowcharts to technical, business, and floor-plan formats.
From $5/mo Free plan Web · Windows · macOS8.8 Visit Specs - 11 Visual Paradigm
Visual Paradigm suits individuals and teams working across diagrams, software development, agile management, or enterprise architecture.
From $4/mo Free plan Web8.8 Visit Specs - 12 Lucidchart
It suits individuals and teams creating diagrams, collaborating in real time, connecting data, or working across common import and export formats.
Free plan Web · iOS · Android8.7 Visit Specs - 13
EdrawMax EdrawMax suits people who need varied diagram types, templates, import and export formats, or AI-assisted diagram tools.
From $5.90/mo Free plan Web · Windows · macOS · Linux8.7 Visit Specs - 14
Ilograph Ilograph suits people documenting systems and component flows, including teams that need keyboard and screen-reader navigation.
From $14.99/mo Free plan Web · Windows · macOS · Linux8.7 Visit Specs - 15 PlantUML
PlantUML suits people who want to generate diagrams from text, including UML and several non-UML formats.
Free plan Web · Windows · macOS · Linux8.5 Visit Specs - 16
ConceptDraw DIAGRAM From $199/mo Free trial Windows · macOS8.5 Visit Specs - 17
Gliffy From $2.80/mo Free plan Web8.5 Visit Specs - 18
Arcentry From $9.90/mo Free plan Web · API · Self-hosted8.5 Visit Specs - 19
Mermaid Mermaid is aimed at teams and visual thinkers, including developers, data engineers, analysts, educators, consultants, technical writers, and project managers.
From $10/mo Free plan Web · Windows · macOS · Linux8.4 Visit Specs - 20 StarUML From $129/mo Free trial Windows · macOS · Linux · Browser extension8.4 Visit Specs
- 21 ConceptDraw Office From $499/mo Free trial Windows · macOS8.4 Visit Specs
- 22 UMLet
UMLet suits people who want to sketch UML diagrams through text-based editing on desktop, in a browser, or within development tools.
Free plan Web · Windows · macOS · Linux8.3 Visit Specs - 23 MyDraw From $3/mo Free trial Web · Windows · macOS8.3 Visit Specs
- 24
yEd Graph Editor It suits people who need a desktop diagram editor with manual creation, data import, and automatic layout choices.
Free plan Windows · macOS · Linux8.2 Visit Specs - 25
OmniGraffle Free trial macOS · iOS8.2 Visit Specs
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