Being a component-oriented platform, management of component libraries is of fundamental importance. EOS manages user-supplied components, third-party components, and EOS Component Library.

EOS provides a set of pre-built components. This set includes components that are SCA conformant, frequently used and comprehensive for most enterprise applications. The library is the basis for rapid development, rapid assembly, and rapid deployment of web-based enterprise applications. Reliability of applications depends on the reliability of this library.

EOS components are grouped into foundation, workflow, page control, and report component libraries。