-
jquery-mosaic
A jQuery plugin to build responsive mosaics of images or any other content fitted to match heights in multiple rows while maintaining aspect ratios. http://jquery-mosaic.tin.cat
-
SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
I use tin-cat/jquery-mosaic for my galleries. But it uses jQuery and doesn't always work correctly. The code is rather unpleasant, so if there exists something similar, I'd rather use that instead of trying to rewrite the current code.
OK, I'll answer my own question: justified-layout.