op allows fine-grained control of access to super-user privileges
through easy-to-remember mnemonics. It features user- and host-based
access control, command expiration, netgroup support, drop-in
configuration files, and more.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Configuration files in /etc/op.d are now sorted, so order is now deterministic. A "nolog" option that suppresses logging of successful command execution was added. Some bugs were fixed.