- Free file format
A free file format is a
file formatwhose full specification is freely available and for which there are no restrictions (e.g. legal or technical) on its use. [cite web
title=Free File Format Definition
accessdate=February 11, 2007] Users may design and use variations that suit their needs, and contribute enhancements for potential incorporation into the next official version of the format.Fact|date=July 2008
Free file formats are good for interoperability and to prevent
vendor lock-in.Fact|date=July 2008 It is a cornerstone in open systems.Fact|date=July 2008
Archiving and compression
7z— for both archiving and compression.
SQX— for both archiving and compression.
PAQ— for compression.
bzip2— for compression.
gzip— for compression.
*tar — for archiving.
*ZIP — for both archiving and compression.
*PNG — lossless compressed format. [ [http://www.w3.org/TR/2003/REC-PNG-20031110/ PNG Specification (Second Edition)] ]
*MNG — moving pictures, based on PNG.
vector graphics. [ [http://www.w3.org/Graphics/SVG/ W3C SVG] ]
Ogg(A container format).
Vorbis— An audio codec.
***The Vorbis format was developed specifically to compete with the widely used, but patented
MP3 audio compressionformat.
Theora— A video codec.
FLAC— Lossless audio codec.
Speex— Speech codec.
CMML— Timed metadata and subtitles.
Matroska— (A container format).
Musepack— An audio codec.
WavPack— An audio codec.
*SMIL — A media playlisting format and multimedia integration language. [ [http://www.w3.org/AudioVideo W3C SMIL] ] [ [http://www.w3.org/TR/2005/PR-SMIL2-20050927/ SMIL 2.1 (W3C Recommendation)] ]
*XSPF — A playlist format for multimedia.
*DVI — device independent (TeX).
HTML/ XHTML— markup languagefor web pages.
LaTeX— document markup language.
Office Open XML— a formatted text format (Ecma-376). [ [http://www.ecma-international.org/publications/standards/Ecma-376.htm Ecma 376] ]
*OpenDocument v1.0 — a formatted text format (ISO/IEC 26300:2006). [cite web
title =ISO/IEC 26300:2006 Information technology -- Open Document Format for Office Applications (OpenDocument) v1.0
PostScript— a page description languageand programming language.
*RTF — a formatted text format.
*TXT — a plain text file.
*CSV — spreadsheet file formats.
*CSS — style sheet format.
DjVu— for scanned images.
EAS3— binary file format for floating pointdata
*ELF — Executable and Linkable Format.
Hierarchical Data Format— Multi-platform data format for storing multidimensional arrays, among other data structures.
NZB— for multipart binary files on Usenet.
NetCDF— for scientific data.
SDXF— the Structured Data eXchange Format.
*SFV — checksum.
*XML — a general-purpose
markup language. [ [http://www.w3.org/XML/ W3C XML] ]
YAML— human readable data serialization format.
Open source codecs and containers
* [http://www.linfo.org/free_file_format.html Free File Format Definition]
* [http://freedomdefined.org/Definition Definition of Free Cultural Works]
Wikimedia Foundation. 2010.
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