Kroki provides one API for generating diagrams from textual descriptions using libraries such as Mermaid, PlantUML, Graphviz, and D2.
Graphviz vs UMLet
How do Graphviz and UMLet compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Graphviz | UMLet |
|---|---|---|
| What it is | Graphviz creates diagrams from graph descriptions and provides open-source software for visualizing structural information. | UMLet provides free, open source UML drawing with a simple interface for making diagrams, including sequence and activity diagrams. |
| 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 UMLet.
Dia is free, open source drawing software for structured diagrams, with downloads, shapes, and documentation.
SankeyMATIC builds flow diagrams for comparing quantities across stages, with examples covering budgets, results, and processes.
Swimlanes.io creates sequence diagrams from text in a browser and lets users download diagrams or share them through links.
PlantText provides an online editor for PlantUML code and generates class, sequence, activity, and state diagrams.
PlantUML generates UML and other diagrams from textual descriptions and exports results in formats including PNG, SVG, and PDF.





