OpenDBA Assistants (ODA) is an architected application to automate tasks for Oracle DBAs. Source code is unix shell (ksh/bash) and procedural languages. ODA provides highly automated scripts for routine tasks like RMAN backup, exports, logrotate, etc.
Bash.org reader -- read Bash.org and can filter, search for, and vote for quotes. Uses AJAX, has configurability (Hide crappy quotes? Hide already displayed quotes? What is your favorite quote?) and has a web-based interface.