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Best Flowchart Software in 2026
Flowchart software helps you create process diagrams and related visual layouts. This list is for people comparing tools for personal, school, or work projects on a budget.
- 17 apps
- Research read 28 Sept 2026
- How the order is worked out
- 1
- 2
- 3
- 4
Dia
Free plan LinuxMacWindowsPick Dia if you need a free desktop diagrammer covering UML, flowcharts, networks, and entity relationships. Look elsewhere if you need a different platform or file-import route than those provided.
- 5
Mermaid
Free plan APIExtensionLinux+4Mermaid supports a broad range of diagram types and multiple ways to create, edit and share diagrams. Review the Basic tier’s limits and the stated browser or runtime requirements for your setup.
- 6
Lucidchart
by LucidchartFree plan WebiPhoneAndroidChoose Lucidchart for a broad range of diagrams, real-time collaboration, offline editing, and connections to spreadsheet data.
- 7
flow-chart.io
Free plan APIWebflow-chart.io combines diagram generation from text and repository context with editable output and multiple export formats.
- 8
Mermaid Chart
Free plan APIExtensionWebMermaid Chart combines text-driven diagrams with AI generation, collaboration, and integrations.
- 9
Miro
Free plan AndroidAPIiPhone+3Miro brings visual planning, workshop activities, AI tools, and integrations into a shared workspace. Check the free plan’s editable-board limit and Starter billing terms when choosing a plan.
- 10
Whimsical
Free plan LinuxMacWeb+1Whimsical combines canvas-based planning with AI generation and team collaboration. The Free plan has monthly content limits, while paid plans add expanded allowances and controls.
- 11
Gliffy
Free plan WebGliffy covers varied diagram types, imports, exports and Confluence workflows, with a free option for smaller groups.
- 12
yEd Graph Editor
by yEd Graph EditorFree plan LinuxMacWindowsyEd offers broad diagram formats and layout options at no charge, with desktop versions for three operating systems.
- 13
Visual Paradigm
by Visual ParadigmFree plan WebVisual Paradigm spans modeling, diagramming, and development tools, with browser and desktop workflows and collaboration options.
- 14
ConceptDraw DIAGRAM
by ConceptDraw DIAGRAMFree trial MacWindowsConceptDraw DIAGRAM combines broad diagram coverage with Visio file support, templates, data-responsive objects, and extensive export formats.
- 15
SmartDraw
by SmartDrawFree trial AndroidAPIiPhone+4Choose SmartDraw if you need a diagramming tool with many diagram types, real-time collaboration, and broad import and export formats.
6.0 Visit site - 16
Flowchart.fun
Free plan Web - 17
Microsoft Visio
by Microsoft VisioFree trial MacWebWindowsVisio combines a broad selection of diagram types with collaboration and links to supported data sources. Mac users can work in a browser, but cannot use a Visio desktop app for macOS.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
Compare free plans, trial periods, paid starting prices, templates, collaboration, offline access, import and export formats, supported platforms, and diagram limits on free plans. Platforms in this category include web, macOS, Windows, API, Linux, and iOS. Check an open-source licence if you need to read or change code.
Questions
Is flowchart software available for free?
Yes. Tools in this category offer free plans, and Dia, Flowchart.fun, and Mermaid are listed as free. Free-plan limits vary by tool.
Which platforms support these flowchart tools?
The listed platforms include web, macOS, Windows, API, Linux, and iOS. Check the platform details for the tool you want.
Do any tools offer a free trial?
Yes. A free trial is offered by tools in this category. Gliffy lists a 30-day trial.
Is there an open-source option?
Mermaid is listed as open source. Review its licence if you need to read or modify the code.
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