Open Pencil is described as 'Open-source editor for vector and interface designs with AI-powered creation, Figma file support, real-time peer-to-peer collaboration, code export, and advanced programmability' and is a UI Design tool in the photos & graphics category. There are more than 50 alternatives to Open Pencil for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best Open Pencil alternative is Penpot, which is both free and Open Source. Other great apps like Open Pencil are Figma, Pencil Project, Sketch and Lunacy.
Open-source design platform offering web-based and self-hosted workflows, code inspection in HTML and CSS, adaptive layouts with CSS Grid and Flex, real-time collaboration, auto layout features, reusable components, design tokens, layer support, plugins, and no tracking.
Spain
EU
Figma is a web-based platform offering a robust set of tools for vector graphics editing and prototyping, along with offline desktop apps for seamless workflows. Designed specifically for UI and UX design, it emphasizes real-time collaboration, visual versioning, and vector networks to streamline the designer's work.
United States
Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.
Vietnam
Vector-based Mac design app focused on UI, UX, web, and mobile with responsive artboards, prototyping, plugin support, real-time collaboration, reusable libraries, non-destructive editing, cloud feedback, and device preview via companion mobile app.
NetherlandsEU
Cross-platform vector editor for UI, UX, and web projects with native .sketch file editing, real-time multi-user collaboration, an AI-backed asset library, code and asset export, Figma integration, offline use, seamless cloud management, and auto layout tools.
United States
Penpot Desktop is an unofficial desktop application for the open-source design tool, Penpot.
Vector UI canvas inside IDEs and desktop apps for creating layouts, using infinite canvas, layers, design system components, Git-compatible .pen files, synced design tokens, and AI-driven UI generation from prompts, aligning code and design efficiently.
United States
Full-featured design workspace merges visuals, agents, and code, enabling live sync of tokens, components, and styles, connects with IDEs, imports databases and content, automates responsive layouts, and streamlines design-to-code with real-time data integration.
United States
Claude Design lets you create designs, interactive prototypes, presentations, and more by having a conversation with Claude.
United States
Low-fidelity UI wireframing tool simulating sketching experience, optimized for speed with Quick Add, built for collaboration, drag-n-drop simplicity, exportable wireframes to PNG/PDF, interactive prototypes via linking, hundreds of UI components, reusable symbols, and more.
United States
Whimsical is a collaborative visual workspace for creating flowcharts, wireframes, virtual sticky notes, and more!.
United States
