AS2Secure is a PHP library that allows you to send and receive AS2 (Applicability Statement 2) messages from partners. The project is split into two parts: a client to send one or more documents to a partner and a server to receive one or more documents from a partner. Its main features are asyncronous and syncronous MDN, partner setup, digital signatures, message encryption, secure transport (using OpenSSL), support for SSL client authentication, and multiple attachments (AS2 1.2).
PdfParser is a standalone PHP library that provides various tools for extracting data from PDF files. It loads and parses objects and headers, extracts meta data, and extracts text from ordered pages. It supports compressed PDF, MAC OS Roman charset encoding, hex and octal encoding in text sections, and is compliant with PSR-0 (autoloader) and PSR-1 (code styling). Currently, secured documents are not supported.
Magento API Client is a PHP client library for the Magento SOAP API v2. It supports the Mage_Catalog, Mage_CatalogInventory, Mage_Checkout, Mage_Customer, Mage_Directory, Mage_Sales, Enterprise_CustomerBalance, Enterprise_CustomerGiftCard, Mage_GiftMessage, Mage_Core, and Store_View modules. The library uses namespaces and is based on composer tools.