Apache is a free and open-source cross-platform web server software.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.
SWFObject is an open-source JavaScript library used to embed Adobe Flash content onto web pages.
Unix is a family of multitasking, multiuser computer operating systems.