Best Open Source Design & Prototyping

Native .fig file support, built-in AI with 90 tools, headless CLI, Vue SDK for custom editors, real-time P2P collaboration. MIT licensed, works offline.

Free and open source painting program built by artists for artists. Features professional brushes, layers, animation tools, and drawing assistants for all skill levels.

Free, open-source image editor with professional tools for photo manipulation, digital art creation, and graphic design. Cross-platform support.

Free open-source vector editor with nondestructive node-based workflow. Create graphics procedurally with infinite scalability. Runs in browser, exports SVG/PNG/JPG.

Create professional diagrams online or offline with security-first approach. No registration needed. Works with Google Drive, SharePoint, Atlassian, and more.

An open-source design platform featuring a customizable canvas editor, AI-powered tools, and React components for building modern web applications.