GNU libidn is an implementation of the Stringprep, Punycode and IDNA specifications defined by the IETF Internationalized Domain Names (IDN) working group, used for internationalized domain names.
libnet is high-level API (toolkit) allowing the application programmer to construct and inject network packets. It provides a portable and simplified interface for low-level network packet shaping, handling and injection.
libspf and libspf2 are
two implementations of the SPF (Sender Policy Framework) specification
for SMTP email. The compat-libspf2 package can be installed at the same time as the libspf2
packages and provides for compatibility with applications built against the older version of the library.
libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS, SECSH-USERAUTH, SECSH-CONNECTION, SECSH-ARCH, SECSH-FILEXFER, SECSH-DHGEX, SECSH-NUMBERS, and SECSH-PUBLICKEY.
libxml2 is a library for manipulating XML and HTML files. There is DTDs support that includes parsing and validation even with complex DTDs, either at parse time or later once the document has been modified.
Paul Howarth <paul@city-fan.org>