Compare tools side by side · TechInTrends

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

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

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	draw.io	Mermaid	Excalidraw	PlantUML
Stars	9.2k	91k	135k	13.4k
Weekly downloads	n/a	25.9M	1.4M	n/a
Download growth	n/a	+58%	+122%	n/a
Popularity score	72/100	91/100	83/100	75/100
Forks	1.4k	9.5k	16k	1.3k
Open issues	39	2.1k	3.5k	598
Last commit	1w ago	3d ago	1w ago	1w ago
Latest version	n/a	12.3.0	0.18.1	n/a
License	Apache-2.0	MIT	MIT	LGPL-3.0
First released	2016	2014	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