ProtoPie

Bring your idea to life in no time. The prototyping solution for all your needs. For UX designers, entrepreneurs, product managers, marketers, and anyone with a great idea. Start building your first prototype in no time. Proto.io's intuitive, drag & drop interface gives you all the building blocks that you need to get started! No skills required. Take advantage of the various user interface libraries, full of UI components that not only look like but also mimic the behavior of their original native counterparts. A huge variety of ready-made and fully-customizable Templates for Web and Mobile, with all the popular blocks and elements that you commonly need. No need to search for assets to complement your prototypes. Proto.io comes complete with a wide selection of both Static and Animated Icons, Stock Images, and even Sound Effects.

Alloy is the first lifelike AI prototyping tool for product managers, built to turn ideas into high-fidelity, clickable prototypes. Recreate existing product pages in minutes, keep component libraries and design systems in sync, and explore new flows with pixel-perfect realism. Use AI prompting and a visual editor to swap copy, refine layouts, preview micro-interactions, and validate UX across web apps, SaaS, and mobile. Because Alloy prototypes look and behave like the real product, stakeholders grasp concepts, customers can test realistic journeys, and engineers get clear specs for faster handoff. Map edge cases, empty states, and breakpoints without rebuilding. Collaborate: share a link to your canvas, collect comments, and iterate to alignment in hours not weeks. Alloy accelerates discovery, reduces rework, and de-risks launches with user feedback. Build your next feature today with Alloy—the lifelike, no-code prototyping platform for speed, realism, and team alignment with ease.