List of open formats
An open format is a file format for storing digital data, defined by a published specification usually maintained by a standards organization, and which can be used and implemented by anyone. For example, an open format can be implemented by both proprietary and free and open source software, using the typical software licenses used by each. In contrast to open formats, closed formats are considered trade secrets. Open formats are also called free file formats if they are not encumbered by any copyrights, patents, trademarks or other restrictions (for example, if they are in the public domain) so that anyone may use them at no monetary cost for any desired purpose.
Open formats (in alphabetical order) include:
- APNG — It allows for animated PNG files that work similarly to animated GIF files.
- FLIF — Free Lossless Image Format.
- GBR – a 2D binary vector image file format, the de facto standard in the printed circuit board (PCB) industry
- GIF — CompuServe's Graphics Interchange Format (openly published specification, but patent-encumbered by a third party; became free when patents expired in 2004)
- JPEG 2000 — an image format standardized by ISO/IEC
- MNG — moving pictures, based on PNG
- OpenEXR — a high dynamic range imaging image file format, released as an open standard along with a set of software tools created by Industrial Light and Magic (ILM).
- PNG — a raster image format standardized by ISO/IEC
- SVG — a vector image format standardized by W3C
- WebP — image format developed by Google
- XPM — image file format used by the X Window System
- ALAC — lossless audio codec, previously a proprietary format of Apple Inc.
- FLAC — lossless audio codec
- DAISY Digital Talking Book — a talking book format
- Musepack — an audio codec
- MP3 — lossy audio codec, previously patented
- Ogg — container for Vorbis, FLAC, Speex and Opus (audio formats) & Theora (a video format), each of which is an open format
- Opus — a lossy audio compression format developed by the IETF. Suitable for VoIP, videoconferencing (just audio), music transmission over the Internet and streaming applications (just audio).
- Speex — speech codec
- Vorbis — a lossy audio compression format.
- WavPack — "Hybrid" (lossless/lossy) audio codec
- Dirac — a video compression format supporting both lossless and lossy compression
- Matroska (mkv) — container for all type of multimedia formats (audio, video, images, subtitles)
- WebM — a video/audio container format
- Theora — a lossy video compression format.
- CMML — timed metadata and subtitles
- SMIL — a media playlisting format and multimedia integration language
- VRML/X3D — realtime 3D data formats standardized by ISO/IEC
- XSPF — a playlist format for multimedia
- Plain text — encoded in numerous non-proprietary encodings, such as ASCII
- CSV — comma-separated values, commonly used for spreadsheets or simple databases
- HTML — HyperText Markup Language (HTML) is the main markup language for creating web pages and other information that can be displayed in a web browser.
- Unicode Transformation Formats — text encodings with support for all common languages and scripts
- Markdown - Lightweight markup language that converts to HTML
- DVI — device independent (TeX)
- DocBook — XML-based standard to publish books
- Darwin Information Typing Architecture — adaptable XML-based format for technical documentation, maintained by the OASIS consortium
- ePub — e-book standard by the International Digital Publishing Forum (IDPF)
- FictionBook — XML-based e-book format, which originated and gained popularity in Russia
- LaTeX — document markup language
- Office Open XML — a formatted text format (ISO/IEC 29500:2008); see Licensing for details
- OpenDocument — a formatted text format (ISO/IEC 26300:2006).
- OpenXPS — open standard for a page description language and a fixed-document format
- PostScript — a page description language and programming language, started as a proprietary standard but is now a public specification.
- XHTML — XHTML (Extensible HyperText Markup Language) is a family of XML markup languages that mirror or extend versions of the widely used Hypertext Markup Language (HTML), the language in which web pages are written.
- ZIM — a file format that stores wiki content for offline usage.
Archiving and compression
- 7z — for archiving and/or compression
- B1 — for archiving and/or compression
- bzip2 — for compression
- gzip — for compression
- lzip — for compression
- MAFF — for web page archiving, based on ZIP
- PAQ — for compression
- SQX — for archiving and/or compression
- tar — for archiving
- xz — for compression
- ZIP — for archiving and/or compression; the base format is in the public domain, but newer versions have some patented features
- CSS — style sheet format usually used with (X)HTML, standardized by W3C
- DjVu — file format for scanned images or documents
- EAS3 — binary file format for floating point data
- ELF — Executable and Linkable Format
- FreeOTFE — container for encrypted data
- GPX — GPs eXchange format — for describing waypoints, tracks and routes
- Hierarchical Data Format — multi-platform data format for storing multidimensional arrays, among other data structures
- HTML/XHTML — markup language for web pages (ISO/IEC 15445:2000)
- iCalendar — calendar data format
- IFC — data model describing building and construction industry data
- JSON — object notation, subset of YAML and correct ECMAScript statement
- LTFS — Linear Tape File System
- NetCDF — for scientific data
- NZB — for multipart binary files on Usenet
- RSS — syndication
- SDXF — the Structured Data eXchange Format
- SFV — checksum format
- LUKS — disk-encryption specification originally intended for Linux
- TrueCrypt — discontinued container for encrypted data
- WOFF — font file format used in webpages
- XML — a general-purpose markup language, standardized by W3C
- YAML — human readable data serialization format
- "Free File Format Definition". LINFO.org. Retrieved 11 February 2007.
- "Opus Interactive Audio Codec". Retrieved 1 October 2013.
- "W3C Synchronized Multimedia Home page". w3.org.
- "Synchronized Multimedia Integration Language (SMIL 2.1)". w3.org.
- "OASIS Darwin Information Typing Architecture (DITA) TC | OASIS". oasis-open.org. Retrieved 7 July 2016.
- ISO – News – Publication of ISO/IEC 29500:2008, Information technology — Document description and processing languages – Office Open XML file formats
- "ISO/IEC 26300:2006 Information technology – Open Document Format for Office Applications (OpenDocument) v1.0". ISO.
- "ISO 32000-1:2008 – Document management — Portable document format — Part 1: PDF 1.7". Iso.org. 1 July 2008. Retrieved 21 February 2010.
- Duff Johnson (10 June 2010), Is PDF an open standard? – Adobe Reader is the de facto Standard, not PDF, retrieved 19 January 2014
- Leonard Rosenthol, Adobe Systems (2012). "PDF and Standards" (PDF). Archived from the original (PDF) on 2 September 2013. Retrieved 20 October 2013.
- "openZIM project wiki".
- ".ZIP Application Note". Retrieved 24 December 2010.
- "Latest OOX-ODF FUD-Spat: States Prepare to Ban Zip and PDF Files". Retrieved 24 December 2010.
- "PKZip Must Open Up". Retrieved 24 December 2010.
- "Extensible Markup Language (XML)". w3.org.
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