* PGG: (pgg). Emacs interface to various PGP implementations.
* ERC: (erc). Powerful, modular, and extensible IRC client for Emacs.
* Rcirc: (rcirc). Internet Relay Chat (IRC) client.
+* SASL: (sasl). The Emacs SASL library.
* SC: (sc). Supercite lets you cite parts of messages you're
replying to, in flexible ways.
* Sieve: (sieve). Managing Sieve scripts in Emacs.