Zlib is a free general-purpose data-compression library. Integrity checks performed with the CRC-32 or the ADLER 32 checksums. In-memory operations use the zlib compressed data format (RFC 1950). Deflate (RFC 1951) is used for its compression algorithm. Typical compression ratios are between 2:1 and 5:1. The gzip format, RFC 1952, is supported for compressing files on a file system. Lacks support for PKZip 4.5, BZip2, and Deflate64.

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The new EZ image format combines compression and simplicity. Compression ratios are often highly competitive with JPEG, GIF, and PNG, yet EZ files can be decoded in 5 lines of C++ code. A great tool for developers.

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WinRK is a new high performance, multi-format file archiver. It supports many comman archive formats, including ZIP, RAR, ACE, BZIP2, TAR, RK and ISO. The new WinRK format combines industry leading compression, encryption and analysis with almost unlimited archive size. The modern interface provides a new intuitive way to manage archives, including full integration with the Windows Shell.

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TTA is free and multiplatform, lossless audio compressor. Being "lossless" means that no data/quality is lost in the compression - when uncompressed, the data will be identical to the original. TTA format supports both of ID3v1 and ID3v2 information tags. Using True Audio codec you can store up to 20 audio CD from your music collection on one single DVD-R for playback, keeping all of CD information in a popular ID3 information tags.

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.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.

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eXPressor - Software Protection System and PE Compressor Used as a compressor this tool can compress EXE files to half their normal size. Once compressed, the files execute just like normal. As a protector It is designed to protect applications against crackers; also can help developers in creation of uncrackable registration keys, and implementation of trial version for protected software.

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Professional-quality MPEG-2 I-frame software-only Video for Windows codec can be used with a wide range of applications. Preserves quality during image processing while providing better compression than lossless solutions. Supports YUV 4:2:0, 4:2:2 and unique 4:4:4 mode for superior quality. Ideal for video editing. There is no logo overlay in the registered version.

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