An ocr package for node. This package uses opencv, tesseract and zbarimg.
You'll need OpenCV 2.3.1 or newer, tesseract 3.02.02 or newer, leptonica 1.71 or newer and zbar 0.10.0 or newer.
On Debian or Ubuntu.
sudo apt-get update
sudo apt-get install --force-yes libcv-dev libcvaux-dev libhighgui-dev libopencv-dev libleptonica-dev libtesseract-dev libzbar-dev
npm install wocr
OCR = require('wocr')
var ocr = new OCR();
ocr.Init('eng');
ocr.SetMatrix(myImage); // need to be an node-opencv matrix
var codes = ocr.GetBarcode();
var text = ocr.GetText();