We're still working on this one.
ANY graphics format to ANY other.
FTP file transfer and much, much more. Mac, Windows, Linux all supported. Gnutella Gnutella for Windows See also Mactella, MP3Rage, Kazaa , and Morpheus. You can download it here. For those who want to live dangerously, Netscape is making available their nightly binaries, which you can download here iCab browser for Macintosh.