C

compression

Shrink any payload as far as possible, then pad it: a facade over established compression and media technologies

Reliable PostgreSQL Backup & Restore

Nineteen lossless compression algorithms stepped one decision at a time, from RLE and Huffman to LZ4, Brotli and Zstandard, showing what each stage hands to the next, with a bit ledger.

LZAV implementation for FreeArc and Sharc (CLS-filter)

WIM3/WIM2 experimental image codec - Python frontend, portable C++17 core

manipulate zoo archives.

file archiver tool, like PKZIP.

maintained at http://infozip.sourceforge.net/

file decompression tool, like PKUNZIP.

maintained at https://sourceforge.net/projects/infozip/

a file decompressor with high compression ratio.

maintained at http://www.bttr-software.de/ports/#unrar

port of FB's C lib of the same name.

Zlib implementation for FreeArc and Sharc (CLS-filter)

Convert, compress, edit and download any file, offline: one desktop app instead of a dozen websites. Written in Rust and TypeScript with Tauri.

LZ5 (Lizard) implementation for FreeArc and Sharc (CLS-filter)

Resident Evil 4 RDLX compressor/decompressor for FreeArc and Sharc (CLS-filter)

LZ4 implementation for FreeArc and Sharc (CLS-filter)

Decompression Reader: reads recordings from compressed files and archives in ADTF and the ADTF File Library. Open source (MPL-2.0), Conan package decompression_reader. Docs

ADTF MJPEG Compressor: encodes and decodes video streams with JPEG compression (MJPEG) in ADTF, e.g. to reduce recording size. ADTF Extended Edition, Conan package adtf_mjpeg_compressor. Docs

ZSTD implementation for FreeArc and Sharc (CLS-filter)

MP2 unpacker/packer for FreeArc and Sharc (CLS-filter)

Package bitz is a simple, limited and sub-optimal variable bit length coder/decoder.