Kroki provides one API for generating diagrams from textual descriptions using libraries such as Mermaid, PlantUML, Graphviz, and D2.
PlantUML vs Graphviz
How do PlantUML and Graphviz compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | PlantUML | Graphviz |
|---|---|---|
| What it is | PlantUML generates UML and other diagrams from textual descriptions and exports results in formats including PNG, SVG, and PDF. | Graphviz creates diagrams from graph descriptions and provides open-source software for visualizing structural information. |
| Website | ||
| Type | Online tool | Online tool |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Browser extension, Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both PlantUML and Graphviz.
DiagramGPT generates diagrams from text prompts, with the project page describing diagram workflows for teams.
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.
PlantText provides an online editor for PlantUML code and generates class, sequence, activity, and state diagrams.
Swimlanes.io creates sequence diagrams from text in a browser and lets users download diagrams or share them through links.





