PSX is a PHP framework for creating RESTful APIs. It helps you to build clean URLs serving Web standard formats like JSON, XML, Atom, and RSS. It includes a handler system that abstracts away SQL queries from domain logic, a routing system that executes correct controller method for the location of the controller and the method annotation, and a flexible data system that converts database records into formats like JSON, XML, Atom, and RSS. A lightweight DI container handles dependencies. The controller supports request and response filters that can modify the HTTP request or response, and filters are provided for Basic and Oauth authentication.
Tarzan is a fast, powerful PHP toolkit for building Web applications with AWS. It has complete support for Amazon S3, CloudFront, EC2, SimpleDB, SQS, and Amazon Associates. Its support for MultiCurl allows for fast batch operations. It provides a caching layer for speeding up frequently accessed operations. It is well documented and well supported.
FXL Template an easy to use template engine offering all the basic features of a template system. It supports simple text/array assignments, blocks, and nested blocks. Well-used regular expressions and the simple template syntax are responsible for quick template processing. The template markup is quite easy to learn, even for those not into programming. A Memcache extension for high traffic pages is freely available.