Compare tools side by side · TechInTrends

Markdown-like syntax for flowcharts, sequence and ER diagrams rendered natively by GitHub, GitLab and Notion.

Free diagramming app (diagrams.net) for architecture and flow diagrams, with desktop, web and IDE integrations.

Hand-drawn style virtual whiteboard, also embeddable as a React component.

Long-standing text-to-diagram tool for UML, C4 and many other diagram types, common in enterprise docs.

Head to head

Metric	Mermaid	draw.io	Excalidraw	PlantUML
Stars	91k	9.2k	135k	13.4k
Weekly downloads	25.9M	n/a	1.4M	n/a
Download growth	+58%	n/a	+122%	n/a
Popularity score	91/100	72/100	83/100	75/100
Forks	9.5k	1.4k	16k	1.3k
Open issues	2.1k	39	3.5k	598
Last commit	3d ago	1w ago	1w ago	1w ago
Latest version	12.3.0	n/a	0.18.1	n/a
License	MIT	Apache-2.0	MIT	LGPL-3.0
First released	2014	2016	2020	2010
Signals	Popular	Popular	Trending	None
Listed in	Git & Developer Tools › Documentation & Diagrams as Code	Git & Developer Tools › Documentation & Diagrams as Code	Frontend › 3D, WebGL & Canvas Git & Developer Tools › Documentation & Diagrams as Code	Git & Developer Tools › Documentation & Diagrams as Code

Weekly downloads over time

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): draw.io, PlantUML.

Mermaid
Excalidraw