L.A.S. Linux is a 'live CD' distribution that runs entirely off of a miniCD (185MB) and contains over 250+ security related tools. Along with having a full desktop environment provided by FluxBox. Areas covered are pen testing, forensics, administration, monitoring etc.
A few of the tools that are available in the distribution: etherape, mozillafirebird, argus-server, argus-client, arpwatch, bfbtester, cabextract, cflow, dlint, farpd, recover, gtkrecover, nasm, nast, strace, ltrace, sudo,valgrind, pnscan, isic, splint, sendip, scli, scanssh, rarpd, wellenreiter,router-audit-tool, httpush, bass, scansort, scanerrlog, idsa / idsaguardgtk, crank (for fun), ccrypt, ntfstools, pasmal, bruth, hlfl, less, smbfs, smstools, LinNeighborhood, snmp, snmpd, driftnet, Dillo, admsmp, admsnmp,arptool, di, hammerhead, flawfinder, foremost, md5deep, binutils, findutils,file, gall, libpst, libdbx, rda, ntreg, memfetch, stegdetect, mkpersistenthome, mkdosswap, pv, cscope, scanlogd, cgrep, bsed, vlad, warscan, zodiac, angst, hackbot, mieliekoek.pl, screamingcobra.pl, cmospwd, macchanger, vomit, atmelwlandriver, wlcardconfig, sshstart-knoppix, to name a few.