Vanilla JavaScript Plugin  

An accessible, simple, and light-weight open source modal lightbox plugin.

Plugin Website  Demo

Related plugins

Pixabay Images Gallery  

A widget for inserting Pixabay image galleries with ease into any page.

Vanilla Modal  

A flexible, CSS-powered modal window for images, videos and HTML. Lots of options and actively developed.

baguetteBox.js Lightbox  

A beautiful and responsive lightbox for image galleries.