Packagist is the main Composer repository. It aggregates public PHP packages installable with Composer.
A PHP class for validating EAN, IMEI, ISBN, GTIN, SSCC, GSIN, UPC and other barcodes.
A PHP class for extracting the URLs of RSS (1.0 and 2.0) and ATOM feeds associated to a page, as well as OPML outline documents.
FreeGoIP - A PHP wrapper for FreeGoIP reverse geolocation API.
A PHP wrapper for the Google Maps TimeZone API.
OPML Parser Class: Extract the properties of content from OPML files.