climm (previously mICQ) is a free CLI-based instant messaging client that runs on a wide variety of platforms, including AmigaOS, BeOS, Windows (using either Cygwin or MinGW), OS X, NetBSD/OpenBSD/FreeBSD, Linux, Solaris, HP-UX, and AIX.climm has many of the features the official ICQ client has, and more: It has support for SSL-encrypted direct connection compatible with licq and SIM. It supports OTR encrypted messages.