Best Free Prototyping Software

Keep your team's minds in sync with Miro (formerly RealtimeBoard and AWW app). A virtual whiteboard and remote collaboration tool, Miro helps cross-functional teams work more efficiently together to build great things. The platform allows teams to ideate, visualize, and share ideas without any boundaries. It comes with over 200 pre-made templates for capturing and visualizing ideas, collaboration tools such as comments, chat, screen sharing, and video chat, and integrations with popular business tools. Miro AI. You and your team, supercharged. You're here to create the next big thing and we're here to help. Unlock the power of your ideas with Miro AI – your new launchpad for creativity, collaboration, and productivity.

Lunacy is a vector graphic software for UI/UX and web design. It's faster than Figma, smarter than Sketch! Key features: * FREE for personal and commercial use * Runs on Windows, macOS, and Linux * WORKS ONLINE AND OFFLINE You can work both with cloud and local documents. It's up to you to choose. You can switch between the cloud and local modes whenever you want. * REAL-TIME COLLABORATION between users on different platforms * BUILT-IN GRAPHICS (Icons, Photos, Illustrations) and AI-POWERED TOOLS (Background remover, Image upscaler, Avatar & Text generators) * FULL SUPPORT of .SKETCH DOCUMENTS: Open, Edit, Save. * LOW SYSTEM REQUIREMENTS and MINIMUM LEARNING CURVE *NO BOUNDS Thanks to the native support for the Sketch format, you can use Lunacy with all major hand-off and version control tools like Avocode, Zeplin, Abstract, Simpli, etc. If it is necessary, you can easily import .sketch files to Figma or XD.

Lucidchart is an advanced diagramming tool designed to help businesses and teams optimize their processes, systems, and workflows with intelligent, data-driven diagrams. The platform combines powerful AI features, such as AI-generated diagrams, data linking, and real-time collaboration, to make visualizing complex systems and architectures faster and more efficient. Lucidchart supports multiple use cases, including process maps, flowcharts, technical diagrams, organizational charts, and systems planning. Its seamless integrations with popular apps like Jira, Confluence, Slack, and Teams allow for enhanced collaboration, enabling teams to align on priorities and act on insights quickly. Lucidchart is the perfect tool for anyone looking to create professional diagrams in less time, while fostering better decision-making and innovation.

The digital product design platform powering the world’s best user experiences. Create rich interactive prototypes. Seamlessly communicate, gather feedback, and move projects forward. Explore your team’s best ideas on a digital whiteboard. Beautifully collect and present designs, inspiration, and more. Magically better handoffs from design to development. InVision Studio is the world’s most powerful screen design tool. Quickly turn ideas into powerful screen designs with intuitive vector-based drawing and flexible layers. Effortlessly animate transitions and add micro-interactions to transform your static screens into working prototypes. Seamlessly navigate the entire design process in one place, keeping everyone fully engaged and notified of changes. All brand and UX components—including usage documentation—are managed in a single place. Access libraries directly from InVision Studio or Sketch, and push or pull changes with only a click.

Simitless lets you build an information system that fits you without a line of code. You'll be able to collaborate on your database and information system in real-time and simply configure what you need when you need it. If starting from scratch seems too daunting, start from one of our hundreds of application templates and tune it your way. No more will you need to change the way you want to work to suit a software you have to use. Simitless is a software platform, enables professionals to build their own information systems. They are databases intended to inform decisions and help work management. We empower small companies by letting them build the information system that suits them, worthy of the tools available only for large conglomerates. Save your time and money by consolidating your information into one centralized and secure collaboration application.

Appsmith is an open-source low-code platform designed to help businesses rapidly build custom internal tools and applications. With a drag-and-drop interface and extensive integration capabilities, Appsmith simplifies the development of dashboards, admin panels, and CRUD applications. Developers can also customize functionality using JavaScript, while seamless integration with databases and APIs makes it highly versatile. It supports self-hosting and enterprise-grade security features such as role-based access controls, audit logging, and SOC 2 compliance, making it suitable for organizations of all sizes. Appsmith's AI-powered agent platform enables businesses to build custom conversational agents tailored to their specific needs. These agents can be embedded into various business workflows, enhancing support, sales, and customer success teams. By leveraging data-driven AI, the platform automates tasks and scales operations efficiently.

Design, prototype and collaborate to bring your ideas to life. Transform the way you create Salesforce prototypes down to the smallest detail. Customize layouts for both Salesforce desktop and mobile interface. Get a preview of your prototypes, test and validate everything. Set the resizing rules to easily scale things up and down for different screen resolutions and adapt them for desktop and mobile. Layouts will resize with their text and elements inside to fit a wide array of modern devices. Easily modify a component's UI for different screen sizes by creating custom classes. Wouldn’t it be great if you could import existing objects, fields and layouts from your Salesforce into Avonni? That's easy with just a few clicks. No need to recreate everything from scratch. Use 400+ pre-built templates specifically tailored for Salesforce Lightning. Charts, related lists, modal boxes, cards, just to name a few. Quickly customize them with our easy-to-use drag and drop tool.

MockupTiger provides widgets for building quick website wireframes, mobile stencils and dashboard charts. The dashboard chart accept data so you can prototype realistic charts. It provides a consistent approach that is both simple and extensible. Stop fighting the tool and start expressing your ideas quickly into good wireframes. With MockupTiger you can instantly demonstrate multiple screen design ideas and build complex mockups faster than paper and pencil and far more useful. Use low fi wireframes or build high fidelity wireframes with images and clickable links. MockupTiger Wireframe Tool helps with creating simple wireframes very quickly. It is easy to use, and it works very well with teams and clients. Clean and Crisp stencils for every popular use case. Extensive library of Text widgets, Container widgets, Line Connectors and Icons. It also provides dashboard widgets that accept data to create true chart mockups.

Speed up innovation and time to market with a complete design-to-code system. Indigo.Design is a digital product design platform that integrates UI prototyping, design systems, user testing, app building and code generation to eliminate design hand offs and reduce costly iterations — enabling true UX design-development collaboration. Design and build complete business apps faster than ever before with Cloud-based, WYSIWYG drag & drop tool. Feel the interactions and see how your application looks with instant, real-time preview. No need to download anything, no heavy IDEs, and no 3rd party dependencies. Compatible with popular design tools. Anything you create in Sketch and other design tools generates pixel-perfect code output in a single click with the Indigo Design System. Preview your designs instantly in the browser – no need to download or compile anything. Use our WYSIWYG cloud-based App Builder to create clean, usable code in Angular.

Designer, developer, product owner or product visionary? If you want to build a successful product, you need to start by successfully communicating your vision. With Fluid UI, ideas can be prototyped in minutes and shared instantly. Sharing, feedback and collaboration are all built in. Start with a free account and unlock your creativity. What’s in your mind and what people understand are often worlds apart. A good prototype paints a thousand pictures. It connects the dots for everyone to see. Time is short too. There’s a lot to get done. That’s why Fluid UI focuses on fast, easy and fun. We know it’s the right way to present your ideas successfully to the world. Use a comprehensive set of pre-built UI Kits for Material Design, iOS, Wireframing and more. Real-time collaboration lets your entire team work together on the same prototype at the same time. Visually linking your prototype together makes adding interactions fast, fun and productive.

MockFrame by 500apps is a wireframe tool for creating mockups, prototypes, and user interfaces. This web-based software allows you to build a web or app design without coding. You can share your work with others to demonstrate the final product or send it to clients. Generate low & high-fidelity wireframes for mobile apps and desktops. Get 37+ apps with MockFrame at Just $14.99/month.

Visily is the easiest and most powerful wireframe software that enables teams, regardless of size and skills, to brainstorm and create beautiful app wireframes. Through an intuitive interface, rich UI library, and advanced AI features, Visily has helped thousands of non-designers such as founders, product managers, business analysts, and software developers quickly iterate and validate their ideas.

With the introduction of UltraStudio, developing, testing and deploying projects for UltraESB-X is just a few clicks away. Using UltraStudio now you can easily create complex enterprise integration flows just by drag-n-drop. UltraProjects are built and packaged with Maven. Managing connectors and processors is as simple as adding a dependency. Learn how UltraStudio, the unified Integrated Development Environment (IDE) for Project-X, provides a powerful graphical interface for developers to design, develop, test and debug their integration solutions with less hassle. UltraStudio is fully based on IntelliJ IDEA and supports both the Community Edition as well as the Ultimate Edition.