diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1375,6 +1375,7 @@ This list is the result of Pull Requests, reviews, ideas and work done by 1100+
   * [Icons8](https://icons8.com) — Icons, illustrations, photos, music, and design tools. Free Plan offers Limited formats in lower resolution. Link to Icons8 when you use our assets.
   * [Invision App](https://www.invisionapp.com) - UI design and prototyping tool. Desktop and webapp available. Free to use with 1 active prototype.
   * [landen.co](https://www.landen.co) — Generate, edit and publish beautiful websites and landing pages for your startup. All without code. Free tier allows you to have one website, fully customizable and published on the web.
+  * [Quant Ux](https://quant-ux.com/) - Quant Ux is a prototyping and design tool. - It's completely free and also open source.
   * [lensdump.com](https://lensdump.com/) - Free cloud image hosting.
   * [Lorem Picsum](https://picsum.photos/) - A Free tool, easy to use stylish placeholders. Just add your desired image size (width & height) after our URL, and you'll get a random image.
   * [LottieFiles](https://lottiefiles.com/) - The world’s largest online platform for the world’s smallest animation format for designers, developers, and more. Access Lottie animation tools and plugins for Android, iOS, and Web.