The Apache Project is an effort to develop and maintain an open-source HTTP server for modern operating systems including UNIX and Windows. The goal of this project is to provide a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards.
IBM Rational Performance Tester helps software testing teams test earlier and more frequently as part of a DevOps approach. It validates the scalability of web and server applications, identifies the presence and cause of system performance bottlenecks and reduces load testing.
IBM WebSphere is a suite of software products which helps businesses to build applications or integrate applications, databases and systems built in-house with any third party applications procured for various business functions with each other easily and quickly.