An agent skill that turns ideas, plans, or codebases into interactive HTML diagrams, working with Claude Code, Codex, Cursor, and OpenCode.
85.4K5.8KJavaScriptMITUpdated 6 hours ago
7 alternatives
Best open-source alternatives to Lucidchart (2026)
Looking for a free, open-source alternative to Lucidchart? These 7 projects can replace it. Each one is reviewed by a human and explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| tt-a1i/archify | ★ 85.4K | MIT | 6 hours ago |
| lukilabs/beautiful-mermaid | ★ 11.2K | MIT | 6 months ago |
| Agents365-ai/drawio-skill | ★ 10.2K | MIT | 7 days ago |
| likec4/likec4 | ★ 5.9K | MIT | 13 hours ago |
| liam-hq/liam | ★ 5.1K | Apache-2.0 | 2 days ago |
| Aryanutkarsh/SeeCode | ★ 656 | MIT | yesterday |
| weike-zhang/architecture-canvas | ★ 160 | Apache-2.0 | 16 days ago |
TypeScript library that renders Mermaid diagrams to themeable SVG or ASCII/Unicode text, synchronously and with zero DOM dependencies.
11.2K411TypeScriptMITUpdated 6 months ago
An agent skill that generates, syncs, tests and exports editable draw.io architecture diagrams from prompts, code, IaC, schemas and API specs.
10.2K842PythonMITUpdated 7 days ago
A modeling language and toolset that generates live, code-based software architecture diagrams inspired by the C4 model.
5.9K401TypeScriptMITUpdated 13 hours ago
Generates interactive, easy-to-read ER diagrams from your database schema, with zero configuration for public or private repos.
5.1K241TypeScriptApache-2.0Updated 2 days ago
An agent skill that turns a short JSON spec into animated, explorable diagrams exported as HTML, SVG, PNG, GIF or MP4.
65635JavaScriptMITUpdated yesterday
Local-first web app where you chat with an AI about uploaded documents to create and refine editable architecture diagrams on an Excalidraw canvas.
16012PythonApache-2.0Updated 16 days ago
FAQ
- Is there a free, open-source alternative to Lucidchart?
- Yes. The most popular open-source alternatives to Lucidchart on Repolode are archify, beautiful-mermaid, drawio-skill.
- Which Lucidchart alternative should I choose?
- archify has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.