Alternative applications for use your Computer without GUI and with minimal resources.
mocp
mpd + ncmpc or ncmpcpp
mplayer
irssi (irc)
weechat (irc)
minbif (IM to irc gateway multiprotocol, use libpurlple)
bitlbee (IM to irc gateway multiprotocol, can use libpurple)
finch (multiprotocol IM)
irssi OR weechat + minbif OR bitlbee (multiprotocol IM)