ONGR is a free and open set of Symfony bundles for scaling online E-Commerce platforms. No matter if you run an Online Shop, a Meta Search Engine or a Travel Website - ONGR will help you to scale your success by solving your speed issues and enable your engineers to iterate much faster than before!
At first you can do a quick and easy setup of the ONGR Demo app, following the instructions here. Or you can go throught the profound documentation of each of the bundles, following the links in the left side-bar.