RawTherapee - RawTherapee is a free RAW converter and digital photo processing software.
Fancybox - fancyapps.com - Fancy App Store
CALCONIC_ - Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.
Magnific Popup - The greater part of Lightbox modules will completely preload a picture before showing it.
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.
PhotoSwipe - JavaScript gallery, no dependencies.