The best Anatomy alternatives
3 tools that do a similar job to Anatomy, 3 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
AnatomyA Claude skill that builds interactive isometric SVG illustrations of machines to explain technical ideas.
- 1

Mermaid
Open source · MIT · ★ 91k
Generate diagrams from Markdown-like text, for docs and code.
Best for: Developers who want diagrams stored as text alongside their code and docs; Teams whose documentation is written in Markdown and needs diagrams
- 2

Excalidraw
Open source · MIT · ★ 135k
Open-source virtual whiteboard for sketching hand-drawn style diagrams in your browser.
Best for: Teams sketching diagrams or wireframes together in a shared canvas; People who want a casual, informal look for explanatory drawings
- 3

watermarks-remover
Open source · MIT · ★ 25.9k
Strips AI provenance watermarks from text and files you own, via an agent skill and a local Python service.
Best for: Developers who use AI coding agents and want written files scrubbed of provenance metadata; Creators who want to remove embedded C2PA or EXIF data from their own images or documents before sharing
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Anatomy. We don't take payment for placement.