Pixi.js - Fast lightweight 2D library that works across all devices
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Glottologist - JavaScript translation framework
Batch Image Resizer - Resize, crop, shrink, flip, exif-rotate, convert, enhance, process multiple pictures and photos with professional software! 120+ Actions, 30+ Image Formats
Anime.js - Lightweight JavaScript animation library
Ralpha Image Resizer - High-speed image batch conversion tool