Penpot is an open‑source, web‑based design and prototyping tool for UI/UX teams. Below is a curated list of 20 alternative platforms that offer comparable (or richer) features for wireframing, interactive prototyping, collaboration, and design system management.
Get targeted exposure with custom position pinning and highlighted placement.
Cloud‑native design tool with real‑time collaboration, vector editing, prototyping, and design system libraries.
All‑in‑one UX/UI solution from Adobe featuring vector design, interactive prototyping, auto‑animation, and integration with Creative Cloud.
Mac‑only vector design app focused on UI design, symbols, and plugins for prototyping and hand‑off.
Design, prototype, and animate UI screens with a powerful motion engine and seamless cloud collaboration.
Advanced wireframing and prototyping platform with conditional logic, data‑driven interactions, and documentation features.
Web‑based design, prototyping, and user testing suite with simple drag‑and‑drop interface and hand‑off tools.
End‑to‑end design system platform that supports high‑fidelity interactive prototypes with code components.
React‑based prototyping tool that lets designers create interactive, code‑driven prototypes with real data.
Low‑fidelity, sketch‑style wireframing tool focused on rapid idea generation and collaboration.
Full‑featured prototyping platform for web, mobile, and desktop with advanced interactions and usability testing.
Browser‑based prototyping solution with drag‑and‑drop UI elements, animations, and user testing integrations.
Visual web design tool that generates clean HTML/CSS/JS, allowing designers to prototype and launch production‑ready sites.
Collaboration and hand‑off platform that syncs designs from Sketch, Figma, Adobe XD, and generates style guides and specs.
Free design and prototyping tool from Facebook, geared toward high‑fidelity interactive UI with advanced animation.
Web‑based wireframing and prototyping app with a large UI component library and simple sharing options.
Rapid prototyping platform offering drag‑and‑drop components, interactive animations, and collaborative feedback.
Cross‑platform vector design tool with prototyping capabilities and cloud sync for UI design workflows.
Free Windows‑native design app from Icons8, compatible with Sketch files, offering vector editing and prototyping.
Open‑source, web‑based design and prototyping platform that can be self‑hosted for full data control.
Plugin for Figma, Sketch, and Adobe XD that turns design files into responsive, high‑code prototypes.