Mermaid generates diagrams such as flowcharts and sequence diagrams from text using syntax similar to Markdown.
Drawio
vsDia
Drawio vs Dia
How do Drawio and Dia compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Drawio | Dia |
|---|---|---|
| What it is | The draw.io repository contains the JavaScript client-side editor for general diagramming and whiteboarding. | Dia is free, open source drawing software for structured diagrams, with downloads, shapes, and documentation. |
| Website | ||
| Type | Open-source project | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Linux, macOS, Web, Windows |
| Open source | Yes | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Drawio and Dia.
Open source
24 alternativesUMLet provides free, open source UML drawing with a simple interface for making diagrams, including sequence and activity diagrams.
Kroki CLI converts diagram files through the Kroki service, inferring diagram type from the file extension by default.
Open source
24 alternativesCascii Core builds ASCII and Unicode diagrams in a browser using vanilla JavaScript, without server or library dependencies.
Flowchart Fun generates flowcharts and diagrams from text through a web application.
Open source
24 alternativesChart.js is an open-source JavaScript library for drawing charts on websites.







