Siter.io is described as 'No-code website builder that allows you to design and publish websites without any code. It works by designing directly in the browser, freehand, using tools you already know' and is a UI Design tool in the development category. There are more than 25 alternatives to Siter.io for a variety of platforms, including Web-based, Mac, SaaS, Windows and iPhone apps. The best Siter.io alternative is Penpot, which is both free and Open Source. Other great apps like Siter.io are Figma, Sketch, Lunacy and Napkins.dev.
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.
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.
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.
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.
An open source wireframe to app tool powered by Llama 3.2 vision. Upload a screenshot of a simple site/design & get code.
Sketch your app ideas without stress Make hand-drawn style wireframes quickly and easily.
A website builder for Tailwind & AI lovers. No fields, no theme limits, and just super easy HTML.
Combines code-driven and visual editing workflows for interactive UI design, high-fidelity prototyping, real-time team collaboration, reusable components, inline commenting, mobile previews on Android/iOS, and smooth developer handoff for efficient workflow.
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.
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.
Web-based AI platform enabling visual generation and refinement of UI components, layouts, and product flows, supports interactive code-backed prototypes, facilitates direct edits, shares designs for review, and imports Figma selections while preserving assets for prototyping and export.
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