Fluid UI Alternatives (September 2025)

Easily create web and mobile app prototypes and wireframes with Justinmind UI prototyping tool. It's FREE. Start prototyping now!

Build interactive web, iOS, Android, and other low or high-fidelity prototypes right into your web browser. Drag and drop ready-to-use, easily customizable templates, UI components, icons, and more, to prototype in minutes! No coding skills required.

Empower your UI/UX design team with top prototyping solutions. Create interactive web or app wireframes and prototypes without any coding skills.

Create interactive, realistic prototypes that work like the actual digital product. Ideal for designers prototyping for mobile, desktop, web, or IoT. Try for free.

Moqups is a streamlined and intuitive web app that helps you create and collaborate on wireframes, mockups, diagrams and prototypes — for any type of project.

Wireframe.cc is an innovative low-fidelity wireframing tool. Designers create and share better wireframes with a set of powerful, intuitive tools.

Design tool like no other. Prototypes that feel real, with powers of code components, logic, states, and design systems. Join for free!

Wondershare Mockitt offers rapid design and prototyping with intuitive features, allowing designers to collaborate effectively and do what they do best. New features are released with Mockitt AI, including AI prototype, AI flowchart, AI mind map, AI chart, AI tables, and magic fill.

NinjaMock online wireframe and mockup tool. Create wireframes and mockups in minutes.

HotGloo is a UX, wireframe and prototyping tool designed to build wireframes for web, mobile and wearables.

MockFlow is an intuitive web app to simplify your product design process. A quick way to create and collaborate on wireframes for web, mobile, and desktop apps.

The App Design App

Sketch is the all-in-one platform for digital design — with collaborative design tools, prototyping and developer handoff. Get started for free.

Create, customize, and launch mobile apps all from your browser. Source code included.

Mokkup.ai is a free dashboard wireframing tool. Build stunning dashboards with a wide range of templates across industry-wide categories.

Design, prototype, collaborate, publish.

Balsamiq is the go-to low-fidelity wireframing tool for product managers, founders, devs, & UX teams worldwide. It's the fast, focused way to design, communicate, and share your ideas.

With Shoutem's no-code app builder create mobile apps without coding! Easy drag-and-drop interface inside online app maker. 14-day free trial!

Bring your product vision to life in minutes with the world's first AI-powered UI design tool - no design experience required! Sign up for free today.

GoodBarber is the first app builder ruled by a Design System. Get iOS/Android native apps and PWAs with best UI and UX leading to higher engagement and profits, without coding.

Spline is a free 3D design software with real-time collaboration to create web interactive experiences in the browser. Easy 3d modeling, animation, textures, and more.

Create professional animated content with Jitter. Use it to design on-brand animated UIs, videos, social media posts, websites, apps, logos and more. Sign up for free.

FlutterFlow lets you build apps incredibly fast in your browser. Build fully functional apps with Firebase integration, API support, animations, and more. Export your code or even easier deploy directly to the app stores!

All-in-one software design tool for creating prototypes, specifications, and diagrams

Figma is the leading collaborative design tool for building meaningful products. Seamlessly design, prototype, develop, and collect feedback in a single platform.

AppMaster is a No-Code platform designed to help businesses create production-level applications with source code generation: backend, web, and native mobile apps.

Wireframe Tool, MockFrame by 500apps helps create interactive wireframes, mockups, prototypes, and more. Get access to 50 apps for $14.99 per user.

Lunacy by Icons8 is free graphic design software for Windows, macOS, Linux. Open, edit sketch files with ease. Built-in vector, photos, UI kits, and more.

Create a website in 3 minutes. Sell online with no transaction fees. Run a blog and optimize your content.

Create custom, responsive websites with the power of code — visually. Design and build your site with a flexible CMS and top-tier hosting. Try Webflow for free.

App Builder is a cloud-based WYSIWYG drag & drop tool that helps design and development teams build business apps fast. Instant Real-Time Preview. Try App Builder

Thunkable is the most powerful mobile app development platform that allows anyone to create an app without needing to know how to code.

Download free website builder software! It's free, easy & no-code! 10000+ templates. Generate with AI

FREE visual sitemap builder with lo-fi wireframes for prototyping website architecture & structure. Use our website planning and site mapping tool to create a site map instantly. Our website diagram tool and website mapping is extremely fast and easy, we promise!

Design and publish modern sites at any scale with Framer’s web builder.

WeWeb is an no-code front-end builder that you can use to build on-top of any back-end. Try it out for free, and start building your web app today!

Rapidly build your mobile and web apps with Fliplet’s no-code/low-code AI enterprise App Builder. Easily brand and customize our off-the-shelf solutions with your unique features.

Create your stunning website with ease using Dorik AI Website Builder. Benefit from user-friendly design tools, advanced business solutions, AI tools, and powerful SEO features. Start with Dorik for free.

Design in SharePoint easily with ShortPoint. Download and Start Designing in minutes. Enjoy Integrated Templates and Design Elements! Start Designing NOW!

Cheap Mobile App Development Services for iOS and Android

No-coding required mobile app builder. Build professional level apps with our app maker or use our turn-key app development services. Start building now!

No-code mobile app builder for easy DIY app development. Get started with the AppMySite app maker for free and create native Android and iOS apps in minutes. Build premium apps without coding and publish on Google Play and Apple App Stores.

Floorplanner is the easiest way to create floor plans. Using our free online editor, you can make 2D blueprints and 3D (interior) images within minutes.

Create a free website with SITE123. No design or coding skills required. SITE123 is by far the easiest free website builder. Create your website now!

DesignWizard is a Free Graphic Design Software helping you to create Free graphic designs online in seconds!

Join the mobile revolution today by creating amazing progressive web apps in just minutes, using Beezer's no-code app builder.

Discover the future of software development with Bubble, a no-code platform used to build SaaS tools, marketplaces, CRMs, & more — hosted securely in the cloud.

Snapied is a simple yet powerful online graphic design tool that helps both professional and non-designers create amazing designs easily and quickly.

The Easiest App Builder online. Make an App for Android and iOS without writing a single line of code. Trusted by 100,000+ businesses.

Create a logo for your brand completely for free. Easily generate thousands of logo ideas and choose the one you like - in only a few clicks.

Andromo is a premium app building platform where you can create professional Android and iOS apps without writing a single line of code.

Try our free logo maker. Trusted by 30M+ businesses, our online logo generator makes it easy to find the best logo for your business. Make your logo now!

Transform your app development with FAB Builder's seamless code generation. Simplify workflows, unlock creativity, and bring your ideas to life effortlessly.

Use app builder to create mobile apps without coding! Over 1,750,000 amazing-looking apps were designed, built, and published on Mobiroller App Builder without a single line of code.

Stunning visual web content, editorials, reports, proposals & more — no web design skills required.

Create storyboards with our free storyboard software! Filmmakers, teachers and students all love using Storyboard That for storyboarding & comics online!

Tumult Hype is the HTML5 creation app for macOS. Animations and interactive content made with Tumult Hype work on desktops, smartphones and iPads. No coding required.

Next generation cross-platform app development with drag and drop app builder for iOS, macOS and Android. Creo combines the traditional Design and Development process into a single easy-to-use application for unprecedented productivity.

Snappa makes it easy to create any type of online graphic. Create & publish images for social media, blogs, ads, and more!

Rapid Application Development Environment, Generating Complete Applications Faster. RadSystems provides countless design options and components for generating modern applications and API. with Little or No Coding.

Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.

Build powerful mobile apps fast and easily with Choicely's no code app builder platform. Get your free app consultation today!

Create a high performing website that stands out against the competition. Use AI to create content and start to grow your online presence. Build custom forms, landing pages, and analyze your performance with built in analytics.

You don't have to be a designer to create beautiful templates. Shuffle is a visual editor for developers who can't design.

Nottaは、動画や音声ファイル、対面会議またはZoomなどのWeb会議の全内容を高精度に文字起こしします。リアルタイムで音声を自動的にテキスト化し、要約・要点抽出をサポート。最長5時間の音声ファイルを素早く処理し、PCやスマホから手軽に編集や共有が可能。会議、商談、インタビューなど様々なシーンで活躍し、業務効率を大幅に向上させます。

Artboard Studio is a graphic and motion design tool with automation features and an extensive content library to create one design into thousands easily.

Wirify is a bookmarklet that lets you turn any web page into a wireframe in one click. Wirify is free, easy and fun to use. Wirify Pro lets you export and edit your wireframes.

Instant access to 3000+ browsers and real iOS and Android devices for cross browser testing. Ship apps and websites that work for everyone, every time. Get Free Trial.

Save time building sleek web, mobile and desktop apps with professional .NET UI Components, JavaScript UI Libraries, Reporting and Automated Testing solutions.

Pagemaker.io is world's first landing page editor for eCommerce. Create stunning landing pages in mins and explore our large set of Templates, modules, layouts and editing options.

Automate your GUI tests with QF-Test, the professional testing tool! Easy to use ✓ Cross-platform on Windows, Linux, macOS ✓ Cross-browser ✓

Join millions of people to capture ideas, organize to-dos, and make the most of your life with TickTick. Available for free, syncs across iOS, Android, Mac, Windows, Web and more.

Test Mobile, Web and Desktop applications. Try TestComplete for Free.

Download the free Acrobat Reader PDF mobile app to view and interact with your documents on iPad, iPhone and Android, and keep work moving.

Create banners online with our free HTML5 Banner Maker

InstaVR has been selected by over 50,000 companies and professionals. No-Coding, Web Browser based, Interactive Authoring Tool allows you to make and publish interactive 360 images / video based VR experience quickly and easily.

Useberry, Your UX Research Platform. Get actionable user-validated insights across the product development lifecycle, superfast. Start for free.

FUNCTION12 offers DevMode (Plus) and CodeGen, designed to automate and streamline the design-to-code process.

Tinkercad is a free, easy-to-use app for 3D design, electronics, and coding.

Gnowbe is a free, award-winning microlearning creator tool that helps you create online learning experiences in minutes. Start creating today!

Design and prototype customized UI, interaction, navigation, transition and animation for App Store ready Apps in Interface Builder with IBAnimatable. - IBAnimatable/IBAnimatable

Ziteboard is a zoomable online whiteboard with realtime collaboration for tutoring. Explain, sketch, teach anything.

Mobile banking that makes life easy. Try bunq today with a free 30-day trial of any plan. All you need to open your account is your phone, ID and 5 minutes.

Design together, in real-time with version control for Sketch. Collaborate in the same file at the same time, without losing the original.

Guidebook empowers organizers around the world with the best-in-class app building platform. Fast, secure, scalable. From small events to enterprise solutions.

DevExpress provides best-in-class UI controls, tools, and frameworks for WinForms, ASP.NET, MVC, Blazor, ASP.NET Core, WPF, VCL, Xamarin, and JavaScript developers.

It's SVG animation made easy - Create impressive SVG animations online, without any coding skills. Add them easily to your website. Get started for free!

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

The easy way to build 60+ professional website apps and plugins for free with no coding required. Collect more leads, get more conversions, and save time.

Carbonmade helps you show off your work and get discovered. Perfect for photographers, illustrators, motion designers, graphic designers, copywriters or anyone else who creates. NO coding needed, fully customizable layouts with everything included.

Stripo — free email template builder. Create professional and responsive emails fast with no HTML skills. Use it to automate email production.

Easy-to-use app for accurate 2D and 3D floor plans for real estate & appraisals. Create listing floor plans in minutes with a smartphone app

The online whiteboard you’ve been looking for.

EasyEDA is a free and easy to use circuit design, circuit simulator and pcb design that runs in your web browser.

AWS Device Farm is an application testing service that allows you to test iOS, Android, and web applications on real smartphones, tablets and desktop web browsers.

Maqetta - Visual authoring of HTML5 user interfaces - in the browser

3D Viewer online is an online collaboration platform for 3D models that allows you to view, publish and collaborate on 3D models

We create clean professional WordPress themes and plugins that help creators build beautiful, effective websites for any type of business.

iOS is the world’s most advanced mobile operating system. Learn about the latest APIs and capabilities that you can use to deliver incredible apps.