Top 21st Alternatives

Figma

Figma is a web-based vector graphics editor for UI/UX design, offering real-time collaboration, prototyping, and integration with custom plugins.

Moqups

Moqups is an online visual collaboration tool for creating wireframes, diagrams, and prototypes, allowing real-time teamwork and feedback.

Uizard

Uizard is an AI-powered tool for creating UI designs, converting sketches and text prompts into editable mockups and prototypes, supporting real-time collaboration.

Wondershare Mockitt

Wondershare Mockitt is an online tool for creating interactive prototypes and collaborating on design projects without coding knowledge.

Pixso

Pixso is a user-friendly design tool for creating wireframes and prototypes for apps and websites, supporting collaboration among designers.

Sketchflow

Generates production-ready native web and mobile UIs from a single natural-language prompt without coding. Provides editable AI-generated designs, precision visual editing, and stable exportable code.

Boardmix

Boardmix is an online whiteboard for collaboration and creativity, offering tools for prototyping, mind mapping, and user flow diagram creation, with real-time collaboration features.

Balsamiq

Balsamiq is a wireframing tool for quickly creating low-fidelity prototypes and user interface sketches, focusing on structure and collaboration.

Penpot

Penpot is an open-source web-based design tool that enables real-time collaboration between designers and developers for creating interfaces and prototypes.

NinjaMock

NinjaMock is a wireframing and prototyping tool that allows users to create interactive designs, collaborate in real-time, and test usability across various devices.

Visily

Visily is an AI-based wireframing tool that helps users create app wireframes, prototypes, and collaborate seamlessly, catering to both designers and non-designers.

Whimsical

Whimsical is a collaborative workspace for product teams, offering tools for documentation, flowcharts, wireframes, mind maps, and AI-assisted brainstorming.

Mockplus

Mockplus is a comprehensive online platform for product design, offering tools for prototyping, collaboration, and design system management.

Wireframe.cc

Wireframe.cc is a web-based tool for creating and sharing low-fidelity wireframes, allowing users to design simple layouts quickly and collaborate effectively.

Framer

Framer is a web design tool that allows users to create responsive websites easily without coding, featuring an intuitive interface and real-time collaboration.

MockFlow

MockFlow is a wireframing and product design tool that enables collaborative UI design, prototyping, and user testing with various project management features.

Studio

STUDIO is a website builder for designers that allows users to create various online structures without coding skills, focusing on ease of use and design flexibility.

Relume

Relume is an AI-driven platform that streamlines website building by generating maps and wireframes, enabling efficient design and collaboration for Figma and Webflow users.

Sketch Web

Sketch Web is a digital design platform for creating, prototyping, and collaborating on design projects, accessible from any browser and integrating with iOS.

Excalidraw

Excalidraw is a free collaborative whiteboard for creating diagrams and visuals, supporting real-time editing and integration with various export formats.

WebSim

An AI tool for creating simulated webpages, interactive websites, and browser-based app prototypes from text prompts.

Anima

Anima assists teams in creating interactive prototypes from Figma, XD, and Sketch, converting them to React, Vue, and HTML while utilizing existing codebases.

Hatch

Hatch is a collaborative canvas for creative work that integrates AI, allowing users to brainstorm, design, and prototype ideas in an infinite workspace.

Miro

Miro is a visual collaboration tool that enables remote teams to brainstorm, design, and manage projects on an infinite digital canvas.

Microsoft Whiteboard

Microsoft Whiteboard is a digital canvas for team collaboration that allows users to draw, type, and add notes in real-time, with cloud saving and integration with Microsoft tools.

Excalidraw+

Excalidraw+ is a collaborative digital whiteboard tool for creating hand-drawn style diagrams with real-time collaboration and AI features.

Proto.io

Proto.io is a web-based prototyping platform that allows users to create interactive mobile and web app prototypes without coding, facilitating design and testing processes.

Cacoo

Cacoo is an online diagramming tool that allows users to create and collaborate on diagrams and flowcharts in real-time.

Padlet

Padlet is a digital canvas for creating, sharing, and collaborating on projects by adding various content types like text, images, and videos.

Lucid

Lucid is a visual collaboration tool for teams, offering virtual whiteboarding and diagramming to enhance planning and project execution.