Elm Millennium Edition is a text-based mail client. There are two branches: Elm 2.4ME+, which is based on Elm 2.4, and Elm ME+ 2.5, which also incorporates some code from Elm 2.5. Elm Millennium Edition contains enhanced MIME and character set support. A subset of UTF-8 (Unicode) is handled. It can read mail from a local mbox and POP and IMAP folders and can pass mail to the PGP or GPG programs. It can also view digests as a mailbox and reassemble fragmented (message/partial) messages. It includes modules for TLS/SSL, iconv, and SMTP.
wiggle is A utility that applies conflicted patches intelligently. When 'patch' fails, wiggle often can succeed by ignoring changes to the original file that are not relevant to the patch. The result should always be reviewed, as wiggle cannot notice semantic changes that are important.
advent4 is a port of the original Colossal Cave text adventure to Unix. It should work without any change on HP-UX, Sun Solaris, *BSD, and GNU/Linux systems. The actual license of this program is unknown, although most people agree that it is likely to be considered to be under the public domain.