Photo Effect

PhotoJShop is a JavaScript library for photo editing using the canvas, aiming to reproduce most usual filters.   

jQuery.BlackAndWhite can easily convert any colored image into a black and white greyscale image. It uses the the HTML5 canvas tag and a fallback for the old browsers.  

Vague.js is a jQuery plugin that allows you to blur any kind of html element via SVG filters.  

CamanJS is canvas manipulation in Javascript. It's a combination of a simple-to-use interface with advanced and efficient image/canvas editing techniques.   It is very easy to extend with new filters and plugins, and it comes with a wide array of image editing functionality, which continues to grow. It's completely library independent and works both in NodeJS and the browser.    

rainyday.js is a simple script for simulating raindrops falling on a glass surface.   It is a JavaScript library that makes use of the HTML5 canvas to render an animation of raindrops falling on the surface of any image.      

vintageJS makes user able to add a retro/vintage effect to images easily by using the HTML5 canvas element. One can decide to use vintageJS as a jQuery plugin, as an AngularJS module or implement the vanilla version without any dependencies.