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FLAC - Free Lossless Audio Codec

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  Analyzed 1 day 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.

121K lines of code

18 current contributors

8 months since last commit

520 users on Open Hub

Low Activity
4.70103
   
I Use This
Licenses: BSD-3-Clause, gpl

libpng

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  Analyzed about 2 months 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 ... [More] earlier versions). In addition to the main library sources, libpng includes the rpng, rpng2 and wpng demo programs, the pngminus demo program, a subset of Willem van Schaik's PngSuite test images, and Willem's VisualPng demo program. Configure, CMake, Visualc projects, and various makefiles are included for building libpng. Libpng is under the libpng license. [Less]

465K lines of code

0 current contributors

11 months since last commit

349 users on Open Hub

Activity Not Available
4.26316
   
I Use This

zlib

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  Analyzed 2 days 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 ... [More] method used in Unix compress(1) and in the GIF image format, the compression method currently used in zlib essentially never expands the data. (LZW can double or triple the file size in extreme cases.) zlib's memory footprint is also independent of the input data and can be reduced, if necessary, at some cost in compression. [Less]

55.3K lines of code

0 current contributors

about 1 month since last commit

162 users on Open Hub

Moderate Activity
4.25
   
I Use This

optipng

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  No analysis available

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.

0 lines of code

0 current contributors

0 since last commit

6 users on Open Hub

Activity Not Available
4.66667
   
I Use This
Mostly written in language not available
Licenses: zlib_libpng

Imebra

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  No analysis available

Imebra is a multiplatform open source C++ Dicom library. The library can handle Dicom3, NEMA and Jpeg files and supplies both high-level and raw access to the loaded data. The embedded images can be easily decompressed or converted to other color formats or bit depth; writing Dicom Viewers or ... [More] other applications is a quick and easy task. Imebra also supports the Unicode standard (on the fly conversion to/from Dicom charsets) and the delayed-loading of large tags. [Less]

0 lines of code

1 current contributors

0 since last commit

3 users on Open Hub

Activity Not Available
5.0
 
I Use This
Mostly written in language not available
Licenses: commercia..., GPL2

ImageOptim

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  No analysis available

PNG and JPEG image optimizer for Mac OS X. Makes images smaller without loss of quality.

0 lines of code

2 current contributors

0 since last commit

2 users on Open Hub

Activity Not Available
5.0
 
I Use This
Mostly written in language not available
Licenses: gpl

WavPack

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  Analyzed 1 day ago

WavPack is a completely open audio compression format providing lossless, high-quality lossy, and a unique hybrid compression mode. WavPack employs only well known, public domain techniques (i.e., linear prediction with LMS adaptation, Elias and Golomb codes) in its implementation. Methods and ... [More] algorithms that have ever been patented (e.g., arithmetic coding, LZW compression) are specifically avoided. This ensures that WavPack encoders and decoders will remain open and royalty-free. [Less]

56.7K lines of code

6 current contributors

3 days since last commit

2 users on Open Hub

Low Activity
5.0
 
I Use This

Free Lossless Image Format (FLIF)

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  Analyzed 2 days ago

FLIF is a novel lossless image format which outperforms PNG, lossless WebP, lossless BPG, lossless JPEG2000, and lossless JPEG XR in terms of compression ratio.

34K lines of code

1 current contributors

over 2 years since last commit

1 users on Open Hub

Inactive
0.0
 
I Use This
Licenses: gpl3, lgpv3_or_...

JBIG-KIT lossless image compression library

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  Analyzed 1 day ago

JBIG-KIT is a software implementation of the JBIG1 data compression standard (ITU-T T.82), which was designed for bi-level high-resolution image data such as scanned documents. This library is available in portable C code and has been widely used in fax products, printer firmware and drivers, and ... [More] document management systems. The package includes a variant implementation of just the ITU-T T.85 profile, with memory management optimized for embedded and fax applications. [Less]

5.95K lines of code

0 current contributors

over 1 year since last commit

1 users on Open Hub

Very Low Activity
0.0
 
I Use This

JPEG

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  Analyzed 2 days ago

JPEG implementation configured and build by CMake

82K lines of code

0 current contributors

over 15 years since last commit

1 users on Open Hub

Inactive
5.0
 
I Use This