1. PdfbundleThis bundle integrates Symfony2 with PHPPdf library.
2. Image OptimizerImage optimization / compression library. This library is able to optimize png, jpg and gif files in very easy and handy way. It uses optipng, pngquant, pngcrush, pngout, gifsicle, jpegoptim and jpegtran tools.
4. PhppdfPdf and graphic files generator library written in php
5. fluent-traversableSupport for operating on collections and arrays by functional way. Inspired by guava's FluentIterable, java8 Stream framework and scala stuff.