Compressing

Snappy is a compression/decompression library. It does not aim for maximum compression, or compatibility with any other...

Abbrevia is a compression toolkit for Delphi, C++Builder, Kylix, and Free Pascal. It supports compressing and decompressing...

zlibar.pas can create and read a file that contains many compressed files. Peut lire des fichiers compressés. 

TZipFile is written from scratch to provide an easy access to stored  files in a zipfile. You...

Components to archive and manipulate folders. Composants d'archivage et de manipulation de répertoires.