OPR (Oracle Password Repository) is a Unix based secure tool for storage & retrieval of Oracle database passwords. By replacing hardcoded passwords in scripts with a call to OPR, it helps keeping your Oracle enviroment secure and easier to maintain.
Likewise Open is an open source, community project sponsored by Likewise Software that integrates Linux, Unix and Mac platforms with Microsoft Active Directory. To download Likewise Open for free, go to http://www.Likewise.com/