UMLet provides free, open source UML drawing with a simple interface for making diagrams, including sequence and activity diagrams.
Graphviz
vsDia
Graphviz vs Dia
How do Graphviz and Dia compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Graphviz | Dia |
|---|---|---|
| What it is | Graphviz creates diagrams from graph descriptions and provides open-source software for visualizing structural information. | Dia is free, open source drawing software for structured diagrams, with downloads, shapes, and documentation. |
| Website | ||
| Type | Online tool | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Linux, macOS, Web, Windows |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Graphviz and Dia.
PlantUML generates UML and other diagrams from textual descriptions and exports results in formats including PNG, SVG, and PDF.
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.
DiagramGPT generates diagrams from text prompts, with the project page describing diagram workflows for teams.
JDL-Studio draws UML diagrams from JDL syntax and provides instant feedback with customizable styling.