Open Source Alternatives to Figma

Penpot

A browser-based, self-hostable design tool that speaks the same language as your CSS

Graphite

Design and photo editor in browser

Modulz

Design systems with production-ready components

VectorCraft

Open-source vector illustration written from scratch in Rust

Builder.io

AI-powered visual development platform

Plasmic

Turn drag-and-drop pages into production React code your team already owns

Quant-UX

Design clickable prototypes, test them with real users and read the behavioural data without leaving one tool.