You can use ShareISDN to share the functions of an ISDN-Card with other users in a network. For example, every person within a company can send faxes, transfer files or access the Internet via one single ISDN-Card.
ddcrypt is a small and fast encryption utility. It can be used to encrypt single files or entire folders. It uses the 448 bit Blowfish encryption algorithm. It supports multiple file encryption, a shell extension, drag n drop & self-decrypting files.