Yuvraj Jhala

A common problem, for people who create sites, is to create an elegant image gallery that manages the various sizes of thumbnails. 
No Matter what size of images you have, Easy justified gallery will create a beautiful gallery using selected photos from media library. All you have to do is add [easyGallery] ShortCode. 
Here are some of the features:
<ul>
<li>An advanced algorithm to justify your images without cropping them</li>
<li>Ready for any device and screen resolution. Up to six thumbnails to always guarantee the best quality of your images.</li>
<li>User defined row height.</li>
<li>Filter, sort, randomize, add or remove the images. Do what you want with the gallery, even after it has been created.</li>
<li>The gallery resize itself as the browser.</li>
<li>Born to be fast, with a smart thumbnails load.</li>
<li>Manage the server errors skipping the temporarily unavailable images, and notifying that just only in the console.</li>
<li>Fully configurable awesome captions to your images.</li>
</ul>

Easy Justified Gallery

How amazing!! It organises photo itself, not matter what size photo it is. It served my purpose. 

wow!! easy to configure

Easiest way to create justified image gallery from your media library. All you have to do is add [easyGallery] ShortCode

Sourav Biswas

SB Simple Photo Gallery adds a powerful yet easy-to-use photo gallery block to the WordPress Gutenberg editor. Select your images from the Media Library and display them in four stunning layout styles — all without writing a single line of code.
Layout Styles
<ul>
<li>Grid — Clean, equal-height responsive grid</li>
<li>Masonry — Pinterest-style columns that respect each image’s natural proportions</li>
<li>Justified — Google Photos-style rows where every image shares the same height and fills the full width</li>
<li>Mosaic — Featured-image layout with a large hero photo and supporting thumbnails</li>
</ul>
Features
<ul>
<li>Built-in lightbox with smooth prev/next navigation</li>
<li>Caption support — overlay on hover or below each image</li>
<li>Adjustable columns (1–6), gap, image height, and border radius</li>
<li>Wide and full-width block alignment support</li>
<li>Full keyboard navigation (Arrow keys and Escape)</li>
<li>Lazy loading for better page performance</li>
<li>No jQuery — lightweight vanilla JavaScript only</li>
<li>No external libraries or third-party dependencies</li>
<li>Translation-ready with full i18n support</li>
</ul>
How It Works
<ol>
<li>Install and activate the plugin.</li>
<li>Open any post or page in the Gutenberg editor.</li>
<li>Click the block inserter (+) and search for SB Simple Photo Gallery.</li>
<li>Select your images from the WordPress Media Library.</li>
<li>Choose a layout and adjust settings in the Block sidebar.</li>
<li>Save and publish.</li>
</ol>

SB Simple Photo Gallery Block for Gutenberg

A responsive photo gallery block for Gutenberg with Grid, Masonry, Justified & Mosaic layouts plus a built-in lightbox.

Easy Justified Gallery vs SB Simple Photo Gallery Block for Gutenberg