PowerArc
High efficient Data Compression Library for use with Delphi, C++ or VB. Support Rank, ZIP, BZIP and PPM compression algorithms. Compression ratio more than 1. 5-2 times better than ZIP/RAR archiver. Compression speed up to 8 Mb/sec (on PIII-600).
http://www.softcomplete.com/download/powerarc.zip - 385Kb - Download - Screenshot

Easy Compression Library
With Easy Compression Library you can add advanced compression and encryption functionality to your projects as quickly and easily as never before. Based on new original One-Stream technology, this toolkit has everything you need to compress and encrypt files, strings, data packets and even BLOB... Easy Compression Library provides a wide variety of compression algorithms, so you can obtain high speed as well as high compression ratio that make Easy Compression Library your best choice. ... A plenty of advanced compression algorithms ?
http://www.componentace.com/data/distr/ecl.zip - 4Mb - Download - Screenshot

JurikSoft Compression Library
JurikSoft Compression Library is a . NET component with a set of methods, which allow Compress array of bytes using lossless compression algorithms. Current version of compression library include following compression algorithms: LZSS, Adaptive and Non-Adaptive Prefix Codes and Run Length...
http://juriksoft.net/files/JSCompressionLib.exe - 0b - Download

ActiveX Easy Compression Library
ActiveX Easy Compression Library is a high-performance and very easy-to-use compression and encryption library. This product has everything you need to compress and encrypt files, memory buffers and strings.
http://www.componentace.com/data/submit/eclx.zip - 1Mb - Download - Screenshot

MSU Lossless Video Codec
Free high quality lossless video codec. This codec is intended for lossless video compression (used for saving master copies or intermediate rendering results). It has the best compression ration among free lossless video codecs. Supports RGB, YUY2 and YV12. ... Allows to set up loss/compression ratio compromises. ... Allows to set up speed/compression ratio compromise by choosing appropriate motion compensation algorithm. ... Performs accurate denoisng in temporal and spatial domains during lossy compression.
http://www.compression.ru/video/ls-codec/msu-ls-codec.exe - 135Kb - Download - Screenshot

CompressionMaster Suite
"CompressionMaster Suite is the most advanced data compression library available for Delphi and C++ Builder. The Suite includes three independent data compression products: Easy Compression Library, FlexCompress and ZipForge. CompressionMaster is a complete solution for developing applications... 2) Easy Compression Library Based on new original One-Stream technology, this toolkit has everything you need to compress and encrypt files, streams, strings, data packets and even BLOB fields. ... 3) ZipForge is a fast ZIP compression library.
http://www.componentace.com/data/distr/cm.zip - 16Mb - Download - Screenshot

addZIP Compression Components
The addZIP Compression Components are the simplest way to add the industry-standard PKZIP compatible file compression and decompression to your programs. These royalty-free, multithreaded ActiveX/COM components are compatible with all 32-bit development software including Visual Basic 6/. ... Although . ... The addZIP and addUNZIP components have no user-interface so they can be used both in desktop and server applications. ... NET, C/C++, Delphi and Visual FoxPro.
http://www.littlebigware.com/downloads/addzip/azip102.zip - 1Mb - Download

HTMLCompact
HTMLCompact is a powerful HTML compression tool created for webmasters. Its effective compression algorithm can reduce the size of your pages by as much as 80% while keeping the appearance of the page the same. When implemented, the documents will be uncompressed in the user's browser,... By using HTMLCompact, your web pages will become much smaller which results in faster load times, saving you both bandwidth and disk space.
http://www.antssoft.com/download/htmlcompact.zip - 708Kb - Download - Screenshot

.netshrink
.netshrink is an executable compressor for managed files. It uses LZMA compression library and can decrease your file size by 50%. It can also protect your files with a password. . netshrink uses LZMA compression library to achieve maximum compression ratios. ... Password protection uses verification based on SHA256 hash function and 256 bit AES / Rijndael encryption.
http://www.pelock.com/download.php?f=netshrink.exe - 305Kb - Download - Screenshot

TIFF To PDF Convert Command Line
TIFF to PDF is shareware that converts TIFF files (including multi-page images) into PDF. Easy- combine several TIFF files into one PDF file. Some CCITT G4 TIFF files are still reencoded with Flate/ZIP compression. Supports virtually all TIFF compressions, including ZIP,LZW,CCITT G4/G3, JPEG,... This is new utilities convert TIFF files (black and white and color) into exceptionally high quality PDF files with an excellent compression at a impressive speed and performance. ... It can automatically clear and skew-correct B/W images by employing special techniques to insure high quality...
http://www.adultpdf.com/products/tifftopdf/tiff2pdf_cmd.zip - 1Mb - Download - Screenshot