JimLiu / baoyu-design

Run Claude Design locally as an Agent Skill — Cursor, Claude Code & more. Produce polished UI mockups, prototypes, decks & wireframes as self-contained HTML, without claude.ai/design. Best with Opus or Claude.

bjarneo / ferroprint

Blueprint-style sketchpad for system diagrams, flows, wireframes and floor plans. Saves to localStorage.

evolus / pencil

The Pencil Project's unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.