Read about our latest addition: emesene - an open source instant messaging client, a "clone" of Windows Live Messenger.
In case you missed our announcement, also check out our 80 of the Best Linux Security Applications. (Read more)
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bzip2 bzip2 is a freely available, patent free (see below), high-quality data compressor. It typically compresses files to within 10% to 15% of the best available techniques (the PPM family of statistical compressors), whilst being around twice as fast at compression and six times faster at decompression. hot gzip gzip is a compression utility designed to be a replacement for 'compress'. Its main advantages over compress are much better compression and freedom from patented algorithms. The GNU Project uses it as the standard compression program for its system. hot RAR (commercial) RAR is a popular general purpose archiving and compression program. hot AdvanceCOMP AdvanceCOMP is a collection of recompression utilities for your .ZIP archives, .PNG snapshots, .MNG video clips and .GZ files. amigadepacker Amigadepacker uncompresses various compression formats used on AmigaOS. The supported formats are PowerPacker, XPK SQSH, MMCMP, and StoneCracker 4.04. It can also decrypt PowerPacker encrypted data files. BitComp BitComp is an implementation of Psuedo-Huffman in PHP, and LZ encapsulation. bzip2smp This program parallelizes the BZIP2 compression process to achieve a near-linear performance increase on SMP machines. On a two-processor Xeon machine, the speedup is around 180%. The tool's main purpose is to aid performing heavy-duty server backups. Compror Compror is an experimental data compression method. It can be twice as powerful as bzip2. cpp xstream cpp xstream is a collection of several streambuf and iostream classes that allow a programmer to compress and decompress data transparently with gzip or bzip2, to serialize composite types to xdr, to encode or decode with base64, and to tee output from one channel to several others. DACT DACT attempts to create very effcient compressed files by attempting to use many different algorithms on each block until it finds the best for every block in the file. exepak exepak is an executable compressor for Linux ELF that uses the UCL compression library. Gcompressor Gcompressor is a GUI interface for GNOME that can decompress and compress files, and create self-extracting archives with an aXa extension. GRZip grzip is a high-performance file compressor based on Burrows-Wheeler Transform, Schindler Transform, Move-To-Front, and Weighted Frequency Counting. It uses the Block-Sorting Lossless Data Compression Algorithm, which has received considerable attention in recent years for both its simplicity and effectiveness. This implementation has a compression rate of 2.234 bps on the Calgary Corpus (14 files) without preprocessing filters. This is essentially an adaptation/extension of GRZipII by Ilya Grebnov. HFFzip HFFzip is a file compressor for Linux and FreeBSD based upon Huffman coding. The Huffman algorithm uses a binary tree, and has complexity O(N*N) for compression and O(NlogN) for decompression. HuffmanView HuffmanView is a small application to visualize the Huffman tree algorithm. It may be usefull for educational purposes. Info-Zip Info-Zip provides free, portable, high-quality versions of the Zip and UnZip compressor-archiver utilities that are compatible with the DOS-based PKZIP by PKWARE, Inc. kunzip kunzip is a small library for parsing and extracting zip files. Kunzip does not rely on any other libraries. lbrate lbrate extracts/decompresses files from the CP/M LBR format. (It can also list and test such archives.) It does this in an `unzip'-like manner, mostly hiding the details of individually compressed and renamed files, and transparently deals with the required decompression/renaming. LHa LHa is a console-based utility that uncompresses and compresses .lha files. LinRAR LinRAR is a QT front end to the command line rar program from rarlabs. The main aim is to create a program similar to WinRAR. Long Range ZIP LRZIP is a compression program that can achieve very high compression ratios and speed when used with large files. It uses the combined compression algorithms of lzma for maximum compression, lzo for maximum speed, and the long range redundancy reduction of rzip. It is designed to scale with increases with RAM size, improving compression further. A choice of either size or speed optimizations allows for either better compression than even lzma can provide, or better speed than gzip, but with bzip2 sized compression levels. lzop lzop is a file compressor which is very similar to gzip. lzop uses the LZO data compression library for compression services, and its main advantages over gzip are much higher compression and decompression speed (at the cost of some compression ratio). minihuff minihuff is a data compression library that enables the creation of a static frequency table to be stored at both ends of a connection. This allows effective compression even for very small pieces of data that maintain similar entropy characteristics. mkzip.py mkzip.py creates zip files from files stored on the web server. It can also calculate the final output size before creating a zip file. It uses no intermediate storage. mkzip.py is designed to create custom zip files for web sites that let users select multiple files to download at the same time. mscompress The mscompress package contains two programs: msexpand, which decompress files compressed by the Microsoft compress.exe utility (e.g. Win 3.x installation files) and mscompress, which compresses files using the LZ77 compression algorithm. Output files can be decompressed using Microsoft expand.exe or msexpand. p7zip p7zip is a port of 7za.exe for Unix. 7za.exe is the command line version of 7-zip, is a file archiver with a high compression ratio. Parallel BZIP2 Parallel BZIP2 is a parallel implementation of the bzip2 block-sorting file compressor that uses pthreads and achieves near-linear speedup on SMP machines. The output of this version is fully compatible with bzip2 v1.0.2. Parallel MPI BZIP2 MPIBZIP2 is a parallel implementation of the bzip2 block-sorting file compressor that uses MPI and achieves significant speedup on cluster machines. The output of this version is fully compatible with bzip2 1.0.2 or newer (i.e. anything compressed with MPIBZIP2 can be decompressed with bzip2). PeaZip PeaZip is an archiver tool that supports its native Pea archive format (featuring compression, splitting, and flexible encryption and integrity check schemes) and other mainstream formats, with special focus on handling open formats. It fully supports raw file splitting and joining, 7z, 7zip sfx, Bzip2, Gzip, Pea, Tar, and Zip. It has browse/extract-only support for Z (the format used by the Unix "compress" command). PeaZip doesn't follow the Explorer-like interface paradigm; the interface is more similar to a CD/DVD-burner application. Read more PKZIP for Linux PKZIP Version 2.51 for Linux is compression and .ZIP archiving utility software that enables you to view and extract from TAR, GZIP, UUencode, XXencode, MIME, and BinHex file formats; create UUencoded .ZIP files; and create PKWARE Self-eXtracting (PKSFX) Linux, Windows and DOS .ZIP archives using the registered version of PKZIP. PKWARE SelF-eXtracting (PKSFX) .ZIP archives do not require PKZIP to extract files from an archive. PKZIP for Linux retains and restores standard UNIX file permissions, user ID, group ID, file time of last access and file time of last modification information. The software is also able to compress files based on a specific file type. Optional key word encryption provides secure protection for sensitive data. Works well in a shell script and makes use of list files rzip rzip is a compression program, similar in functionality to gzip or bzip2, but able to take advantage long distance redundencies in files, which can sometimes allow rzip to produce much better compression ratios than other programs. SCZ SCZ is a simple set of compression routines for compressing and decompressing arbitrary data. The initial set of routines implement new lossless compression algorithms. Restoration (decompression) is perfect. It is called SCZ, for simple compression format. SCZ is intended as a subroutine for incorporation within your own applications without legal or technical encumberances. It was developed because the standard compression routines, such as gzip, Zlib, etc., are fairly large, complex, and difficult to integrate-with, maintain, or understand. srzip srzip is a compression utility with control very similar to gzip or bzip2. Its target is not to compete with classic compressing and archiving programs, but to offer frame for testing and educating of various algorithms. Algorithms implemented in this version are: run-length encoding, static and adaptive Huffman encoding and Burrows-Wheeler transformation. StuffIt (commercial) StuffIt has support for the most utilized formats on Unix/Linux (Tar/gzip) Windows (Zip and StuffIt/SIT), Macintosh (StuffIt/SIT), plus many more. tarmill tarmill is a tar file compression/encryption program. tzls and tzx tzls and tzx are commandline utilities for quickly unpacking or listing the contents of various types of common Unix archive files, which may be compressed in any of several ways. unace unace is a utility to extract, view, and test the contents of an ACE archive. unADF unADF is an unzip like for .ADF files. Powered by ADFlib. UnZip UnZip is an extraction utility for archives compressed in .zip format (also called "zipfiles"). UPX UPX is a free, portable, extendable, high-performance executable packer for several different executable formats. It achieves an excellent compression ratio and offers very fast decompression. Xarchiver Xarchiver is a gtk+2 only frontend to zip,rar,tar,bzip2 and gzip. Future releases will support 7zip and distro based packages (rpm,deb). Xarchiver allows you to create,add, extract and delete files in the above formats. xmlppm xmlppm is a data compression program that compresses XML files from 5 to 30% better than any existing text or XML-specific compressors.
