SILC (Secure Internet Live Conferencing) is a protocol which provides secure conferencing and chat services. It can be used to send any kind of messages, in addition to normal text messages, including multimedia messages like images, video, and audio stream. All messages in the SILC network are encrypted and authenticated, and messages can also be digitally signed. SILC protocol supports AES, SHA-1, SHA-2, PKCS#1, PKCS#3, X.509, OpenPGP, and is being developed in the IETF. The software is delivered as SILC Client for end users, SILC Server for system administrators, and SILC Toolkit for application developers.
TTC - Terminal Type Control -program, controls the logins on those terminal types, given as argument for the ttc. You can deny any terminal type you want and/or you can set timing for any terminal type you want. Both, deny and timing has authorization check. Timing has also a time bank system. Ttc has many features and it is very configurable. The package includes also ttc PAM module that can replace ttc -client entirely.
Autodist is a source distribution management system that allows powerful mechanisms to define what is included in and excluded from a distribution and what license is used. It is especially targeted at large software projects that create multiple distributions from a source tree. Autodist supports distribution management in directory, file, and file content level, and automatic relicensing of a distribution.