X -Chat 2
KViRC
BitchX
HydraIRC
bersirc
ChatZilla
Misspellings: irf, clienta, clents, ircc, iirc, clientts, cpients, ir, cllients, cliengs, clinets, ird, clienys, clienst, cliehts, xlients, cl9ents, clirnts, irx, ifc, idc, cliebts, cliens, i4c, irrc, clkents, urc, icr, cilents, clienrs, clientd, ic, clisnts, cliwnts, jrc, cclients, cli3nts, 8rc, cliemts, cliets, rc, flients, clints, cients, clientw, orc, cliente, itc, dlients, krc