AI-native design editor. Open-source Figma alternative.
OpenPencil is an open-source design editor that opens and edits Figma and Pencil files, supports AI-assisted design changes, and includes a programmable headless Vue toolkit for custom editors. It is for designers and developers creating, inspecting, converting, and exporting interface designs, while the catalogue instructions help coding agents work with its capabilities.
Latest release v0.14.0 · 11 Aug 2026
These files are open-pencil/open-pencil's own configuration. They tell GitHub Copilot, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.
.github/copilot-instructions.md A 291 tok .github/instructions/agents.instructions.md A 5 tok AGENTS.md A 5,082 tok