Abbrevia is a compression toolkit for Delphi and C++Builder.
It supports compressing and decompressing PKZIP, Microsoft CAB, tar, gzip, and
bzip2 archives, and can create self-extracting executables. On Windows it also
provides Delphi wrappers for the LZMA, Bzip2, and WavPack SDKs, and PPMd decompression.

dotBundle is a small-sized program whose main purpose is to aid you in compressing the libraries required by .NET applications you want to develop in one single executable.

The LuraTech PDF Compressor Desktop is designed for use at a single workstation for decentralized processing, manually compressing occasional documents and converting them to PDF or PDF/A format. You can even combine multiple files into a single complete PDF.