ZenUML

Write concise code-like text and get an interactive sequence diagram rendered without a server.

Artifact by ZenUML

IndexedMIT★ 39Charts & diagramsNo sign-up

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Opens zenuml.com in a new tab. Nothing to install.

Open ZenUML Source code

You provide: ZenUML text
You get: Interactive sequence diagram
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Oct 31, 2026

About

ZenUML is an open-source web app in the visualization category (sequence diagram). It opens in your browser, so there is nothing to install. You provide zenUML text and get interactive sequence diagram. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (ZenUml/core).

Category: Charts & diagrams · sequence diagram

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Signals

Stars: 39

Details

Auth: No auth
License: MIT
Repository: github.com/ZenUml/core
Website: zenuml.com/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: GitHub

Cite this page

ZenUML: free online tool. Agent Mart. https://agentmart.dev/artifacts/zenuml (last updated 2026-10-31)