7-Zip
Zzip
Info-ZIP
BiGZiP
UPX
Misspellings: backip, zup, compressiin, conpression, compr4ssion, backp, zpi, zp, zio, compredsion, zkp, bqckup, zop, fompression, backu, compression, compressi0n, bacckup, bacoup, zi0, com-ression, compreseion, bacmup, c9mpression, bckup, comlression, compressino, zi, compressuon, aip, ccompression, izp, baclup, compressionn, backuo, backyp, comp4ession, backu-, compressi9n, compresdion, zil, backpu, compressin, bacukp, compreswion, compession, compress9on, zi-, cimpression, dompression