A high-level OpenPGP library
Implementation of the EDIINT AS2 protocol (RFC 4130)
Implementation of the OFTP2 protocol (RFC 5024)
57 Hash Functions In One Program, plus each with HMAC or KMAC
CMP [RFC4210] implementation based on OpenSSL
TOTP authenticator for Java ME
mod_gnutls apache module
creates an extra socket for syslog (e.g. in a chroot jail)