JDL-Studio draws UML diagrams from JDL syntax and provides instant feedback with customizable styling.
Mermaid vs Dia
How do Mermaid and Dia compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Mermaid | Dia |
|---|---|---|
| What it is | Mermaid generates diagrams such as flowcharts and sequence diagrams from text using syntax similar to Markdown. | 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 Mermaid and Dia.
UMLet provides free, open source UML drawing with a simple interface for making diagrams, including sequence and activity diagrams.
Mermaid Live Editor creates charts and diagrams from text using Mermaid’s markdown-like syntax in a browser.
Swimlanes.io creates sequence diagrams from text in a browser and lets users download diagrams or share them through links.
Kroki provides one API for generating diagrams from textual descriptions using libraries such as Mermaid, PlantUML, Graphviz, and D2.
PlantUML generates UML and other diagrams from textual descriptions and exports results in formats including PNG, SVG, and PDF.







