Apps similar to Openpencil include Penpot, which is open source with a free version. Other options are Figma, Open Pencil, Penpot Desktop and Paper Design. In total there are six UI Design Tools like Openpencil for the web, Mac, Windows, Linux and self-hosting.
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
Open-source design editor for vector and interface projects featuring AI-powered generation, .fig and .pen file support, design-to-code export, real-time P2P collaboration, linting, tokens, advanced programmability, Vue SDK, and privacy-friendly operation.
Russia
Penpot Desktop is an unofficial desktop application for the open-source design tool, Penpot.
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
Feature-rich, open-source Wireflow offers a collaborative platform for online creation of complex user flow prototypes. Ideal for team work in UI design, wireframing, and mind mapping, promoting idea sharing in real-time environment aided by modern whiteboard features.
