diff --git a/README.md b/README.md
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@@ -637,6 +637,7 @@ Besides libraries, there're [Collection on Codepen](http://codepen.io/collection
 ## Misc
 
 * [echo](https://github.com/toddmotto/echo) - Lazy-loading images with data-* attributes. [![](http://spmjs.io/badge/echo.js)](http://spmjs.io/package/echo.js)
+* [picturefill](https://github.com/scottjehl/picturefill) - A responsive image polyfill for <picture>, srcset, sizes
 * [platform.js](https://github.com/bestiejs/platform.js) - A platform detection library that works on nearly all JavaScript platforms. [![](http://spmjs.io/badge/platform.js)](http://spmjs.io/package/platform.js)
 * [json3](https://github.com/bestiejs/json3) - A modern JSON implementation compatible with nearly all JavaScript platforms. [![](http://spmjs.io/badge/json3)](http://spmjs.io/package/json3)