Facilitating installation of additional functionality on a web server. The method includes at a data store, receiving a request from a client to access programmatic code units. The data store includes programmatic code units. The programmatic code units are configured to provide additional web server functionality when installed at a web server. The client is distinct and separate from the data store. The method further includes, at the data store, providing information about one or more programmatic code units to the client. Input is received from the client selecting one or more programmatic code units to be installed on a web server. The web server is separate and distinct from both the data store and the client. The one or more selected programmatic code units are sent to the web server, where after the one or more selected programmatic code units are installed on the web server.