What are some alternatives to Origami?

What is Origami and what are its top alternatives?

Origami is a free toolkit for Quartz Composer—created by the Facebook Design team—that makes interactive design prototyping easy and doesn’t require programming.

Origami is a tool in the Mobile Prototyping & Interaction Design Tools category of a tech stack.

Origami is an open source tool with GitHub stars and GitHub forks. Here’s a link to Origami's open source repository on GitHub

Top Alternatives to Origami

Framer
Framer is a JavaScript framework that makes creating realistic prototypes a breeze – complete with filters, spring physics and full 3D effects. Framer Generator is a desktop app that imports the resources and folder hierarchy from Photoshop files (Sketch coming soon). Import your design and immediately start to add interaction and animation. ...
Principle
It makes it easy to design animated and interactive user interfaces. Whether you're designing the flow of a multi-screen app, or new interactions and animations, it helps you create designs that look and feel amazing. ...
Lottie
Lottie is a mobile library for Android and iOS that parses Adobe After Effects animations exported as json with Bodymovin and renders them natively on mobile! ...
ProtoPie
It is the easiest tool used to turn your UI/UX design ideas into highly interactive prototypes for mobile, desktop, web, all the way to IoT. ProtoPie runs on macOS & Windows and the player app is on iOS and Android. ...
Material
Express your creativity with Material, an animation and graphics framework for Google's Material Design and Apple's Flat UI in Swift. ...
Fuse
It is a set of user experience development tools that unify design, prototyping and implementation of high quality, native apps for iOS and Android. ...
Flinto
It is a Mac app used by designers around the world to create interactive and animated prototypes of their app designs. It lets designers quickly make interactive prototypes of their mobile, desktop, or web apps. ...
Fiber
Fiber UI Kit is the perfect starting place for your next project. Each element has been designed to work independently or as one seamless flow. It’s a full-fledged prototype with customizable components. ...