Details
PricingPaid
Category: Design & Diagramming
OSS Maturity:Strong
Build note: Excalidraw and tldraw provide whiteboarding. Mermaid generates diagrams from code. Penpot is a full Figma alternative. Draw.io replaces Lucidchart.
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cairosvgPackage
SVG to PNG/PDF converter
CanvaCommercial
Drag-and-drop design; templates for marketers
Draw.io (diagrams.net)Open Source
Full diagramming tool; Lucidchart/Visio alt; Apache 2.0
ExcalidrawOpen Source
Virtual whiteboard; hand-drawn feel; MIT licensed
fabricPackage
HTML5 canvas library; interactive graphics
konvaPackage
2D canvas framework for desktop and mobile
LucidchartCommercial
Diagramming and flowcharts; enterprise
MermaidOpen Source
Generate diagrams from text; flowcharts, sequence, Gantt; MIT