Package bzip2 implements bzip2 decompression.

Package flate implements the DEFLATE compressed data format, described in RFC 1951.

Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952.

Package lzw implements the Lempel-Ziv-Welch compressed data format, described in T.

Package zlib implements reading and writing of zlib format compressed data, as specified in RFC 1950.