UXPin is a design and prototyping platform for building interactive prototypes with states, logic, conditional flows, variables and dynamic content.
Alternatives to HTML-Kit
Justinmind is an interaction design and prototyping tool for web and mobile apps.
Marvel is a design platform for creating wireframes, mockups, interactive prototypes, and design specifications in one place.
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Wondershare Mockitt
Wondershare Mockitt is a design and prototyping tool for making interactive prototypes and sharing them.
Free planAndroidiOSWebLinux8.2From $6 a month - 5

ProtoPie
ProtoPie is a high-fidelity prototyping platform for creating and testing interactive digital experiences.
Free planAndroidiOSWebAPI7.9From $25 a month - 6

Zeplin Flows
Zeplin Flows helps teams map user journeys and make design intent easier to follow.
Free planWebAPIExtensionLinux7.9From $12 a month - 7

Proto.io
Proto.io is a web-based, no-code tool for creating interactive prototypes for iOS, Android, and web.
Free planAndroidiOSWeb7.7From $29 a month - 8

Figma Slides
Figma Slides is a collaborative presentation tool for creating and delivering decks, and is included with seats on every Figma plan.
AndroidiOSWebLinux7.3From $3 a month - 9

Visily
Visily is a browser-based AI UI design tool for people who need app mockups and product designs.
Free planWebExtension7.3From $14 a month - 10

FlowMapp
FlowMapp is a visual platform for planning user experience work and preparing web design projects.
Free planWebLinuxmacOSWindows7.2From $15 a month - 11

Overflow
Overflow is a tool for creating and presenting interactive user flow diagrams, then sharing them for feedback.
WebmacOSWindows7.2From €19.95 a month - 12

Sketch
Sketch covers product design work from interface creation through design systems, interactive prototypes, and developer handoff.
iOSWebmacOS7.2From $12 a month - 13

Penpot
Penpot is an open-source design platform for teams that supports collaboration between designers and developers.
Free planWebAPISelf-hosted7.1From $7 a month - 14
Anima
Free planWebExtension7.0From $500 a month - 15
Google Web Designer
Google Web Designer is desktop software for creating HTML5 ads, images, videos and other web content.
Free planAPILinuxmacOSWindows7.0Free plan - 16
Wireframe.cc
Wireframe.cc is a web-based tool for sketching page layouts and interface ideas.
Free planWeb7.0Free plan - 17

MockFlow
MockFlow is a visual workspace for brainstorming and planning with diagrams, mind maps, flowcharts, moodboards, storyboards, wireframes, and lite prototypes.
Free planWebExtensionmacOSWindows6.9Free plan - 18

Plasmic
Plasmic is a visual editing and content platform for building websites and apps, with options to connect it to existing codebases.
Free planWebSelf-hosted6.9From $39 a month - 19
Principle
Principle is software for designing animated, interactive interfaces for web, mobile, and desktop.
iOSWebmacOSSelf-hosted6.9$129 one-time - 20

Axure RP
Axure RP is a prototyping tool for creating interactive UX designs with triggers, conditions, actions, and variables.
macOS6.8From $29 a month - 21

Supernova
Supernova brings design system information, code data, documentation, and AI context into a shared source for teams and agents.
Free planWebAPImacOS6.8From $35 a month - 22

Uizard
Uizard is a cloud-based design tool available on the web and as a browser extension.
Free planWebExtension6.8From $39 a year - 23

Locofy
Locofy converts designs into responsive frontend code for web and mobile apps.
Free planWebExtension6.7From $40 a month - 24

ContentTools
ContentTools is a free, open-source JavaScript library for building WYSIWYG editors for HTML content.
Free planWebAPI6.5Free plan - 25

Pencil Project
Pencil Project is a free, open-source desktop tool for creating GUI mockups, wireframes, and diagrams.
Free planLinuxmacOSWindows6.5Free plan - 26

Balsamiq Wireframes
Balsamiq Wireframes is a wireframing and prototyping tool available for macOS, Windows, and the web, with both desktop and cloud deployment.
WebmacOSWindows6.4From $16 a month - 27
Slickplan
Slickplan is a collaborative website planning suite for content and UX teams, with tools for sitemaps, diagrams, content plans and design mockups.
WebAPI6.4From $10.79 a month - 28

Bootstrap Studio
Bootstrap Studio is a desktop application for designing and publishing websites with drag-and-drop editing.
LinuxmacOSWindows6.2$29 one-time - 29

Evie
Evie is a free, MIT-licensed website theme bundled with a minimal style guide for building websites.
Free planWeb6.2Free plan - 30

Bootstrap Icons
Bootstrap Icons is a free, open-source library of more than 2,000 icons for websites and other projects.
Free planWeb6.1Free plan

