Sage includes the Moin Moin Wiki by default, which “is an advanced, easy to use and extensible WikiEngine with a large community of users. Said in a few words, it is about collaboration on easily editable web pages.”
The Twisted, an event-driven networking framework written in Python, is a networking library that is included with Sage. It is robust, mature, fast, and offers a vast range of networking functionality.
The Sage Notebook (see Chapter The Sage Notebook) is another networking application included with Sage.