Supposedly a Codec according to: http://www.fourcc.org/lzo1/

Other Stuff:
Old Source: https://web.archive.org/web/20030625035523/http://lzop.org/download/lzop-1.01.tar.gz
Linux/i386 (Statically linked): https://web.archive.org/web/20051219093702if_/http://www.lzop.org:80/download/lzop-1.01-linux_i386.tar.gz
Windows32bit: https://web.archive.org/web/20051219083257/http://www.lzop.org/download/lzop101w.zip
Dos: https://web.archive.org/web/20051219100306/http://www.lzop.org/download/lzop101d.zip