Interactive prototyping platforms that let designers create clickable mockups and test user flows before development.
AI Coding Assistants
Replit is an AI-powered platform that enables users to effortlessly create, deploy, and host applications and websites across various programming languages without the need for complex setup...
Price$20 / month
Price position: above the category median.Prototyping Tools
Online wireframing and prototyping tool for web and mobile apps with usability testing and collaboration features.
Price$19+ / month
Starting price: above the category median.Code Playground Platforms
Online JavaScript editor and playground for testing HTML, CSS, and JavaScript snippets.
Price$8.96+ / month
Starting price: below the category median.
Code Playground Platforms
Rapid JavaScript and TypeScript prototyping in your editor with live code execution and feedback.
Price$20 / user / month
Price position: above the category median.
Wireframing Tools
Moqups provides wireframing, diagramming, and prototyping in a web-based platform.
Price$7+ / month
Starting price: below the category median.Design Handoff Tools
Collaborative prototyping and design handoff platform for product teams with wireframing, interaction design, and developer specs.
Price$5.95+ / user / month
Price position: below this category's displayed range.
Communication APIs
Daily is a WebRTC-based video and audio API platform for developers building real-time communication features into applications.
PriceUsage-based
Prototyping Tools
All-in-one prototyping tool for web and mobile apps with wireframing, interactive prototypes, and user testing capabilities.
Price$9+ / user / month
Starting price: below the category median.
API Testing Tools
Mock HTTP server and request inspector providing instant endpoints for testing and prototyping APIs.
Price$10 / month
Price position: at the category median.
Prototyping Tools
Penpot is an open-source design and prototyping platform that provides collaborative design tools, components, and design systems accessible through any browser.
Price$7+ / seat / month
Starting price: below the category median.
Design Collaboration
UX prototyping and specification platform for enterprise design teams with dynamic content.
Price$29 / user / month
Price position: above the category median.
Prototyping Tools
High-fidelity mobile and web prototyping tool with animations, device preview, and user testing integrations.
Price$29 / month
Price position: above the category median.Prototyping Tools
Free online user flow and wireframe tool for quickly sketching process flows and user journeys.
Prototyping Tools
Open-source prototyping and user testing platform with quantitative analytics for UX research teams.
Database Tools
Chroma is an open-source embedding database designed for building AI applications with LLMs, providing the simplest way to store, search, and retrieve embeddings for RAG and semantic search.
Design Collaboration
Collaborative design and prototyping platform for teams working on complex user interfaces.
Prototyping Tools
InVision is a digital product design platform offering prototyping, collaboration, and design system management tools. Freehand provides collaborative whiteboarding for teams to ideate and p...
Prototyping Tools
Design and prototyping platform for teams with wireframes and user testing.
