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GNU tar
Claimed by GNU Analyzed about 8 hours ago
The Tar program provides the ability to create tar archives, as well as various other kinds of manipulation.
Licenses:
gpl
bzip2
Analyzed about 16 hours ago
bzip2 is a freely available, patent free, 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.
Licenses:
BSD-3-Clause
gzip
Claimed by GNU Analyzed about 20 hours ago
gzip (GNU zip) 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. It has been adopted by the GNU project and is now relatively popular on the Internet.
FLAC - Free Lossless Audio Codec
Analyzed about 7 hours ago
FLAC is a Free Lossless Audio Codec. The FLAC format supports streaming, seeking, and archival, and gives 25-75% compression on typical CD audio. Input plugins for Winamp and XMMS are also provided.
Licenses:
BSD-3-Clause, gpl
libpng
Analyzed over 1 year ago
libpng is the official PNG reference library. It supports almost all PNG features, is extensible, and has been extensively tested for over 17 years.
libpng is available as ANSI C source code and requires zlib 1.0.4 or later (1.2.3 or 1.1.4 recommended due to potential security vulnerabilities in
Licenses:
libpng
libjpeg
No analysis available
A widely used free library for JPEG image compression.
Mostly written in language not available
Licenses:
IJG
zlib
Analyzed about 4 hours ago
zlib is designed to be a free, general-purpose, legally unencumbered -- that is, not covered by any patents -- lossless data-compression library for use on virtually any computer hardware and operating system. The zlib data format is itself portable across platforms. Unlike the LZW compression
Licenses:
zlib_libpng
YUI Compressor
Y
Claimed by Yahoo! Inc. Analyzed about 21 hours ago
The YUI Compressor is JavaScript minifier designed to be 100% safe and yield a higher compression ratio than most other tools. Tests on the YUI Library have shown savings of over 20% compared to JSMin (becoming 10% after HTTP compression). Starting with version 2.0, the YUI Compressor is also able
Licenses:
No declared licenses
Speex
No analysis available
Speex is an Open Source/Free Software patent-free audio compression format designed for speech. The Speex project provides a free alternative to expensive proprietary speech codecs. Moreover, Speex is well-adapted to Internet applications and provides useful features that are not present in most other codecs.
Mostly written in language not available
Licenses:
No declared licenses
UPX
No analysis available
UPX (the Ultimate Packer for eXecutables) 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. Your executables suffer no memory overhead or other drawbacks because
Mostly written in language not available
Licenses:
gpl