# Gaudenz Alder

> Gaudenz Alder is original author of JGraph at the base of draw.io. draw.io + MCP on Anchor Terminal, with grades, an about and public profiles.

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- Markdown: https://www.anchorterminal.com/people/gaudenz-alder/index.md (~650 tokens)
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- JSON: https://www.anchorterminal.com/people/gaudenz-alder/index.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Original author of JGraph, the base of draw.io.

Gaudenz Alder began JGraph in 2000 as a Bachelor's thesis project at ETH Zurich, the code draw.io later grew from. Alder was a director of JGraph Ltd from 2004 to 2020.

## What Gaudenz builds

- [draw.io + MCP](https://www.anchorterminal.com/tools/drawio.md), graded B, 62.2/100, in Diagramming. The open-source diagram editor (also diagrams.net) with an official MCP server. Original author of JGraph, the base of draw.io, founder, researched 2026-10-28.

## Works with

- [David Benson](https://www.anchorterminal.com/people/david-benson/), Co-founder and director, draw.io Ltd

## Questions

### Who is Gaudenz Alder?

Gaudenz Alder began JGraph in 2000 as a Bachelor's thesis project at ETH Zurich, the code draw.io later grew from. Alder was a director of JGraph Ltd from 2004 to 2020.

### What does draw.io Ltd (formerly JGraph Ltd) make?

Anchor Terminal lists draw.io + MCP from draw.io Ltd (formerly JGraph Ltd). The open-source diagram editor (also diagrams.net) with an official MCP server.

### How are Gaudenz's tools graded?

draw.io + MCP is graded B, 62.2 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.drawio.com/
- https://en.wikipedia.org/wiki/Diagrams.net
- https://find-and-update.company-information.service.gov.uk/company/04051179/officers

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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