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Wikipedia

Audacity (audio editor)

This article is about the audio editing application. For other uses, see Audacity. Not to be confused with Audacious (software) or Audacy.

Audacity
DevelopersMuse Group
The Audacity Team
ReleaseMay 28, 2000; 26 years ago (2000-05-28)
Stable release
4.0.1[1] Edit this on Wikidata / 30 September 2026; 21 days ago (30 September 2026)
Written inC++ (using the Qt6 toolkit)[2][3]
Operating systemMicrosoft Windows, macOS, Linux, other Unix-like systems[4][5][6]
PlatformIA-32, x86-64, PowerPC, ARM64
Available in87[7] languages
List of languages
[7]
TypeDigital audio editor
LicenseGPLv3 (software), CC BY 3.0 (documentation)[8]
Websitewww.audacityteam.org
Repository

Audacity is a free and open-source digital audio editor and recording application software, which is available for Windows, macOS, Linux, and other Unix-like operating systems.[4][5]

As of February 15, 2026, Audacity is the second most popular download at FossHub,[9] with over 114.2 million downloads since March 2015. It was previously served by Google Code and SourceForge, where it was downloaded over 200 million times. It has been part of Muse Group since 2021.[10][11]

Audacity 4.0 is distributed under version 3 of the GNU General Public License (GPLv3). Many individual source files are also available under GPL version 2 or later. Its documentation is licensed under Creative Commons Attribution 3.0.[8]

History

[edit]

The project was started in the autumn of 1999 by Dominic Mazzoni and Roger Dannenberg at Carnegie Mellon University, initially under the name CMU Visual Audio.[12] On May 28, 2000, Audacity was released as Audacity 0.8 to the public.[13][14]

Mazzoni eventually left CMU to pursue software development and in particular development of Audacity, with Dannenberg remaining at CMU and continuing development of Nyquist, a scripting language which Audacity uses for some effects.[12]

Over the years, additional volunteer contributors emerged, including James Crook who started the fork DarkAudacity to experiment with a new look and other UX changes.[15] Most of its changes were eventually incorporated into the mainline version and the fork ended.[16]

In April 2021, it was announced that Muse Group (owners of MuseScore and Ultimate Guitar) would acquire the Audacity trademark and continue to develop the application, which remains free and open source.[10][11]

In October 2024, the development of version 4 switched from wxWidgets to Qt, reusing the framework of MuseScore 4.[17] In September 2026, Audacity officially released version 4.0.[6]

Features and use

[edit]

In addition to recording audio from multiple sources, Audacity can be used for post-processing of all types of audio, including effects such as normalization, trimming, and fading in and out.[18] It has been used to record and mix entire albums, such as by Tune-Yards.[19] It is currently[when?] used in the Sound Creation unit of the UK OCR National Level 2 ICT course.[citation needed]

Recording

[edit]

Audacity can record multiple tracks at once, provided the sound card supports it. In addition to a normal mode,[20] recordings can be scheduled ("Timer Record"),[21] or used in a Punch in and roll fashion.[22]

Non-destructive editing

[edit]

Historically, Audacity is a destructive editor, meaning all changes are directly applied to the waveform. This comes with certain benefits but means that any change made cannot be tweaked later on without undoing all changes in-between. For a long time, non-destructive editing was exclusive to volume envelopes[23] and playback rates, but since version 3, this has been extended to clip trimming[24] and effects.[25]

Importing, exporting, and conversions

[edit]

Audacity natively imports and exports WAV, AIFF, MP3, Ogg Vorbis, and all file formats supported by the libsndfile library. An additional library, FFmpeg, is necessary to import and export proprietary formats such as M4A (AAC) and WMA.[26]

Due to patent licensing concerns, FFmpeg is not bundled with Audacity, but rather has to be downloaded separately.[27]

In conjunction with batch processing features, Audacity can be used to convert files from one format to another, or to digitize records, tapes, or MiniDiscs.[28]

Customizability and extensibility

[edit]

Audacity 4.0 supports VST3 and Nyquist plugins, as well as LV2 plugins on Linux and Audio Units on macOS.[29] Support for LADSPA and Vamp plugins, available in earlier versions, is absent from version 4.0. The release also omits the Macro Manager and scripting pipe used for external scripting.[29]

Audacity is somewhat customizable and supports arbitrary arrangements of its toolbars, custom themes and toggling of several features.[30]

In January 2024, Intel introduced some AI-powered capabilities for Audacity as part of its OpenVINO plugin suite.[31][32]

Audio analysis

[edit]
Screenshot of Audacity on Windows showing spectrograms of an audio clip with portamento (upper panel) and the same clip after applying pitch correction, showing frequencies clamped to discrete values (lower panel)

Audacity has several features to allow for spectrum analysis using the Fourier transform algorithm[33][34] and spectrograms. As with effects, additional analysis plugins can be added, such as ones that check audiobooks for ACX compatibility.[35]

Limitations

[edit]

Audacity 4.0 does not support MIDI editing or virtual instruments, features commonly found in digital audio workstations.[36]

As of September 2026, no official version of Audacity is available for iOS or Android.[36]

Other features

[edit]

Audacity can make precise adjustments to speed (tempo) while maintaining pitch, to synchronize audio with video or for precise running time.[37] It also has a large array of digital effects and plug-ins,[38] including: noise reduction based on sampling the noise to be minimized,[39] vocal reduction and isolation for creation of karaoke tracks and isolated vocal tracks,[40] pitch adjustment maintaining speed, and speed adjustment maintaining pitch.[41] Audacity also has support for multi-channel modes with arbitrary sampling rates, and to 32-bit float sample depth.[42][43] It can also detect dropout errors made while recording with an overburdened CPU.[44]

Language support

[edit]

In addition to Afrikaans, Arabic, Armenian, Asturian, Amazigh, Albanian, Bengali, Basque, Bulgarian, Burmese, Belarusian, Breton, Bosnian, Catalan, Chinese (simplified), Chinese (traditional), Corsican, Croatian Czech, Danish, Dutch, English (United States), English (United Kingdon), Esperanto, Estonian, Finnish, French, Galician, German, Greek, Goidelic, Georgian, Hebrew, Hungarian, Hindi, Irish, Italian, Indonesian, Igbo, Icelandic, Japanese, Khmer, Korean, Lithuanian, Latvian, Macedonian, Malayalam, Marathi, Malay, Maltese, Norwegian (Bokmål) or (Nynorsk), Persian, Polish, Portuguese, Brazilian Portuguese, Filipino, Faroese, Romanian, Russian, Slovak, Slovenian, Swedish (Modern), Swedish Tradition, Spanish, Sicilian, Serbian (Latin) or (Cyrillic), Turkish, Tamil, Telugu, Tajik, Thai, Tagalog, Ukrainian, Uzbek, Valenican, Vietnamese,Welsh Yoruba.[7]

The documentation, the Audacity Manual, is available only in English.[45] The Audacity Forum offers technical support in English.[46]

Architecture

[edit]
Software architecture of Audacity showing how the software is built in layers

The diagram illustrates Audacity's layers and modules. Note the three important classes within wxWidgets, each of which has a reflection in Audacity.

Higher-level abstractions result from related lower-level ones. For example, the BlockFile system is a reflection of and is built on wxWidgets' wxFiles. Lower down in the diagram is a narrow strip for platform-specific implementation layers.

Both wxWidgets and PortAudio are OS abstraction layers, containing conditional code that chooses different implementations depending on the target platform.

Reception

[edit]

As free and open-source software, Audacity is very popular in education, encouraging its developers to make the user interface easier for students and teachers.[47]

Audacity won the SourceForge 2007 and 2009 Community Choice Award for Best Project for Multimedia.[48][49]

Jamie Lendino of PC Magazine recently rated it 4/5 stars Excellent and said: "If you're looking to get started in podcasting or recording music, it's tough to go wrong with Audacity. A powerful, free, open-source audio editor that's been available for years, Audacity is still the go-to choice for quick-and-dirty audio work."[50]

CNET rated Audacity 5/5 stars, calling it "feature-rich and flexible".[51] Preston Gralla of PC World said: "If you're interested in creating, editing, and mixing you'll want Audacity."[52] Jack Wallen of Tech Republic praised its features and ease-of-use.[53]

In The Art of Unix Programming (2003), open-source software advocate Eric S. Raymond wrote of Audacity: "The central virtue of this program is that it has a superbly transparent and natural user interface, one that erects as few barriers between the user and the sound file as possible."[54]

Some reviewers and users have criticized Audacity for its inconvenient UX design, unsightly GUI and comparative lack of features compared with Adobe Audition. Matthew McLean wrote: "Audacity looks a bit more dated and basic, but this will be appealing to many folks who're just starting out".[55][56]

In May 2021, after the project was acquired by Muse Group,[57] there was a draft proposal to add opt-in telemetry to the code to record application usage. Some users responded negatively, with accusations of turning Audacity into spyware.[58] The company reversed course, falling back to error/crash reporting and optional update checking instead.[59] Another controversy in July 2021[60] resulted from a change to the privacy policy which said that although personal data was stored on servers in the European Economic Area, the program would "occasionally [be] required to share your personal data with our main office in Russia and our external counsel in the USA".[61] In July 2021, the Audacity team apologized for the policy’s wording, removed the provision discouraging use by children under 13, and clarified its statements about data collection and disclosure.[60]

Version history

[edit]

This table shows the major and minor releases of Audacity. Patches are omitted.

Version Date Major changes and notes
4.0 September 3, 2026 User interface rebuilt using Qt. New clip editing tools and workspaces. New project file format, .aup4. Cloud integration with audio.com.[62]
3.7 October 30, 2024 Fixes bugs.
3.6 July 16, 2024 Adds master effects, new compressor and limiter, new themes, and increased performance.
3.5 April 22, 2024 Adds Cloud saving, automatic tempo detection and non-destructive pitch shifting.
3.4 November 2, 2023 Adds a musical view, time stretching and a new exporter.
3.3 April 24, 2023 Mostly focused on refactoring. A preview of a beats and measures feature is added.
3.2 September 22, 2022 Added real-time effects, VST3 support and a streamlined interface. A cloud audio sharing integration with audio.com is added.[63]
3.1 October 28, 2021 Introduced clip handles, smart clips and playback looping.[64] In April 2022, an official Audacity app was added to the Microsoft Store.[65]
3.0 March 17, 2021 Introduced a new project file format, .aup3, using an SQLite database to store each project in a single database file.[66]
2.4 May 15, 2020 Adds Loudness, Noise Gate and Spectral Delete effects and adds Side-by-side view of waveforms and spectrograms.
2.3 September 29, 2018 Adds Punch-and-Roll recording and upgrades to Macros, Play-at-Speed, Toolbars. From 2.3.2 on, a mod-script-pipe for driving Audacity from Python (can be enabled in Preferences).[67]
2.2 November 2, 2017 Ports changes from Dark Audacity to Audacity, adding themes.[30] Additionally, MIDI playback is added.[68] Four user-selectable colorways for waveform display in audio tracks (version 2.2.1 on).[69]
2.1 March 29, 2015 Adds Real-Time preview of some effects. Saving and loading user presets for effect settings across sessions (version 2.1.0 on)[70] Scrubbing (audio) (version 2.1.1 and later).[71] This is the first version to require SSE2-compatible CPU at least on Windows.[72]
2.0 March 13, 2012 Adds a Device Toolbar to manage inputs and outputs, Timer Record and a Mixer Board view with per-track VU meters. Compared to the last 1.3.x release it is not a big improvement; the major version increment was chosen to signify a new stable version after many years of only beta releases.
1.3 November 28, 2005 Introduces clips and adds performance improvements for large projects. Version 1.3.2 and later supported Free Lossless Audio Codec (FLAC).[73] Version 1.3.6 and later also supported additional formats such as WMA, AAC, AMR and AC3 via the optional FFmpeg library.[74] All of the 1.3.x releases were considered "beta".
1.2 March 3, 2004 Adds many new effects and tools.
1.0 June 11, 2002 1.0 release. 1.1 was released on the same day.
0.8 May 28, 2000 Initial test version.

See also

[edit]

References

[edit]
  1. ^ audacity. "Release Audacity-4.0.1 · audacity/audacity". Retrieved September 30, 2026.
  2. ^ SourceForge (July 2004). "Project of the Month July 2004 – Audacity". Archived from the original on December 23, 2008. Retrieved November 27, 2008.
  3. ^ United Nations Conference on Trade and Development (2004). "E-Commerce and Development Report 2004" (PDF). Archived (PDF) from the original on December 3, 2008. Retrieved November 27, 2008.
  4. ^ a b "Audacity: Free Audio Editor and Recorder". audacityteam.org. Archived from the original on March 14, 2011. Retrieved January 5, 2012.
  5. ^ a b "About Audacity". audacityteam.org. Archived from the original on June 18, 2015. Retrieved February 19, 2012.
  6. ^ a b Larabel, Michael (September 3, 2026). "Audacity 4.0 Audio Editor Released With Qt6 Based UI". www.phoronix.com. Retrieved September 4, 2026.
  7. ^ a b c "Languages – Audacity Development Manual". manual.audacityteam.org. Archived from the original on September 29, 2018. Retrieved September 29, 2018.
  8. ^ a b "Audacity 4.0 license". GitHub. Audacity Team. Retrieved September 8, 2026.
  9. ^ FossHub.com. "Download Audacity". Archived from the original on January 22, 2017. Retrieved January 23, 2017.
  10. ^ a b Rothman, Philip (April 30, 2021). "Muse Group formed to support MuseScore, Ultimate Guitar; acquires Audacity". Scoring Notes. Archived from the original on May 3, 2021. Retrieved May 3, 2021.
  11. ^ a b Young, Clive (May 4, 2021). "Audacity Acquired by Muse Group". Radio World. Archived from the original on October 26, 2021. Retrieved July 17, 2025.
  12. ^ a b The Story Behind Audacity, April 30, 2021, archived from the original on May 16, 2024, retrieved April 14, 2023
  13. ^ "Version 0.8: May 28, 2000" in README.txt of audacity-win-0.8.zip
  14. ^ "Credits". audacityteam.org. Archived from the original on June 29, 2015. Retrieved February 19, 2012.
  15. ^ "But Why?". darkaudacity.com. Archived from the original on October 1, 2022. Retrieved May 30, 2022.
  16. ^ "DarkAudacity, a customised version of Audacity". darkaudacity.com. Archived from the original on December 19, 2021. Retrieved July 6, 2021.
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  18. ^ "Podcasting with Linux Command Line Tools and Audacity". Packt. Archived from the original on January 18, 2008. Retrieved January 19, 2008.
  19. ^ Frere-Jones, Sasha (May 2, 2011). "World of Wonder: How Merrill Garbus left the theatre and took the stage". The New Yorker. Archived from the original on October 24, 2020. Retrieved May 16, 2015.
  20. ^ "Playing and Recording". Audacityteam.org. Archived from the original on March 24, 2016. Retrieved January 4, 2020.
  21. ^ "Timer Record". Audacityteam.org. Archived from the original on November 24, 2020. Retrieved January 4, 2020.
  22. ^ "Punch and Roll Record". Audacityteam.org. Archived from the original on November 23, 2022. Retrieved November 23, 2022.
  23. ^ "Audacity's Envelope Tool". Audacityteam.org. Archived from the original on April 16, 2016. Retrieved January 4, 2020.
  24. ^ "Smart Clips". Audacityteam.org. Archived from the original on November 1, 2022. Retrieved November 1, 2022.
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  26. ^ "Audacity: Features". audacityteam.org. March 22, 2013. Archived from the original on June 18, 2015. Retrieved September 8, 2013.
  27. ^ "FAQ:Installation, Startup and Plugins". Audacity 2.1.0 Manual. Archived from the original on June 19, 2015.
  28. ^ "Copying tapes, LPs or MiniDiscs to CD". Audacityteam.org. Archived from the original on April 16, 2016. Retrieved January 4, 2020.
  29. ^ a b "Audacity 4.0". GitHub. Audacity Team. September 3, 2026. Retrieved September 7, 2026.
  30. ^ a b "Themes". Audacityteam.org. Archived from the original on November 4, 2017. Retrieved November 3, 2017.
  31. ^ "AI Tools Are Here for Open-Source Audio Editor 'Audacity'". It's FOSS News. January 8, 2024. Archived from the original on January 8, 2024. Retrieved January 8, 2024.
  32. ^ "Audacity ® | Introducing OpenVINO AI effects for Audacity". www.audacityteam.org. Archived from the original on January 5, 2024. Retrieved January 8, 2024.
  33. ^ "Plot Spectrum". Audacityteam.org. Archived from the original on April 9, 2016. Retrieved January 4, 2020.
  34. ^ "Audacity's Spectrogram View". Audacityteam.org. Archived from the original on April 9, 2016. Retrieved January 4, 2020.
  35. ^ "Analysis Plugins". The Audacity Team.
  36. ^ a b "Frequently asked questions". Audacity. Retrieved September 8, 2026.
  37. ^ "Change Tempo". Audacityteam.org. Archived from the original on March 23, 2016. Retrieved January 4, 2020.
  38. ^ "Index of Effects, Generators and Analyzers in Audacity". Audacityteam.org. Archived from the original on April 15, 2016. Retrieved January 4, 2020.
  39. ^ "Noise Reduction". Audacityteam.org. Archived from the original on April 4, 2016. Retrieved January 4, 2020.
  40. ^ "Vocal Reduction and Isolation". Audacityteam.org. Archived from the original on April 13, 2016. Retrieved January 4, 2020.
  41. ^ "Change Pitch". Audacityteam.org. Archived from the original on April 8, 2016. Retrieved January 4, 2020.
  42. ^ "Multichannel Recording". Audacityteam.org. Archived from the original on May 19, 2020. Retrieved January 4, 2020.
  43. ^ "Audacity Tracks Menu". Audacityteam.org. Archived from the original on March 4, 2016.
  44. ^ "Recording Preferences for Dropout Detection". Audacityteam.org. Archived from the original on November 23, 2022. Retrieved November 23, 2022.
  45. ^ "Audacity Manual". manual.audacityteam.org. Archived from the original on May 5, 2022. Retrieved September 29, 2018.
  46. ^ "Audacity Forum". Retrieved October 11, 2026.
  47. ^ Jaworski, Nick; Thibeault, Matthew D. (2011). "Technology for Teaching: Audacity. Free and open-source software". Music Educators Journal. 98 (2): 39–40. doi:10.1177/0027432111428745. ISSN 0027-4321.
  48. ^ "SourceForge.net: 2007 Community Choice Awards". Archived from the original on January 20, 2008. Retrieved January 19, 2008.
  49. ^ "SourceForge.net: 2009 Community Choice Awards". March 30, 2009. Archived from the original on January 23, 2012. Retrieved February 4, 2012.
  50. ^ Lendino, Jamie (April 6, 2022). "Audacity – Free, open-source audio editing". Archived from the original on July 19, 2018. Retrieved November 8, 2022.
  51. ^ "Audacity". CNET. November 8, 2008. Archived from the original on August 17, 2013. Retrieved September 1, 2013.
  52. ^ Gralla, Preston (October 22, 2008). "Audacity". PC World. Archived from the original on August 17, 2013. Retrieved September 1, 2013.
  53. ^ Wallen, Jack (July 18, 2011). "Giving Audacity its due: An audio editor with serious functionality". Tech Republic. Archived from the original on December 24, 2013. Retrieved September 1, 2013.
  54. ^ "Studying Cases". www.catb.org. Archived from the original on March 12, 2014. Retrieved March 21, 2014.
  55. ^ McLean, Matthew (June 1, 2017). "Audacity Vs Adobe Audition CC | Where Should I Record & Edit My Podcast?". Archived from the original on February 16, 2018. Retrieved February 15, 2018.
  56. ^ Lewis, Daniel (December 3, 2012). "7 reasons I'm switching from Audacity to Audition (and why you shouldn't)". Archived from the original on February 16, 2018. Retrieved February 15, 2018.
  57. ^ Rothman, Philip (April 30, 2021). "Muse Group formed to support MuseScore, Ultimate Guitar; acquires Audacity". Scoring Notes. Archived from the original on May 3, 2021. Retrieved May 3, 2021.
  58. ^ "Audacity 3.0 called spyware over data collection changes by new owner". AppleInsider. July 4, 2021. Archived from the original on July 4, 2021. Retrieved July 5, 2021.
  59. ^ Tantacrul (May 13, 2021). "Actions we propose to take on PR #835 #889". GitHub. Retrieved May 14, 2021.{{cite web}}: CS1 maint: deprecated archival service (link)
  60. ^ a b Speed, Richard. "Apologetic Audacity rewrites privacy policy after 'significant lapse in communication'". theregister.com. Archived from the original on July 15, 2022. Retrieved July 15, 2022.
  61. ^ "Audio editor Audacity denies spyware accusation". BBC News. July 6, 2021. Archived from the original on August 8, 2022. Retrieved May 28, 2022.
  62. ^ Nestor, Marcus (September 3, 2026). "Audacity 4.0 Open-Source Audio Editor Officially Released, Here's What's New". 9to5Linux. Retrieved September 3, 2026.
  63. ^ Muse Group. "Audacity 3.2.0". GitHub. Archived from the original on September 22, 2022. Retrieved September 23, 2022.
  64. ^ Muse Group. "Audacity 3.1.0". GitHub. Archived from the original on September 22, 2022. Retrieved September 23, 2022.
  65. ^ "Audacity developer puts the 'proper' version on the Microsoft Store". PCWorld. Archived from the original on June 4, 2022. Retrieved July 15, 2022.
  66. ^ Spadafora, Anthony (March 18, 2021). "Audacity 3.0 finally lands after years of waiting". TechRadar. Archived from the original on March 19, 2021. Retrieved March 15, 2021.
  67. ^ "Modules Preferences for mod-script pipe". Audacityteam.org. Archived from the original on November 23, 2022. Retrieved November 23, 2022.
  68. ^ "Note Tracks". Audacityteam.org. Archived from the original on October 31, 2017. Retrieved November 3, 2017.
  69. ^ "Waveform colorways". Audacityteam.org. Archived from the original on November 23, 2022. Retrieved November 23, 2022.
  70. ^ "Manage Effects, Generators and Analyzers". Audacityteam.org. Archived from the original on April 13, 2016. Retrieved January 4, 2020.
  71. ^ "Scrubbing and Seeking". Audacityteam.org.{{cite web}}: CS1 maint: deprecated archival service (link)
  72. ^ "Audacity 2.1.0 | Audacity Support". support.audacityteam.org. August 8, 2024. Retrieved June 9, 2026.
  73. ^ Audacity development team (October 30, 2006). "Audacity 1.3.2 a 1.2.5 released". Archived from the original on March 4, 2016. Retrieved January 19, 2010.
  74. ^ "Importing Audio". Audacityteam.org. Archived from the original on April 8, 2016. Retrieved January 4, 2020.
Notes

Sources

[edit]
[edit]

Source: Wikipedia. Article content is retrieved live through the MediaWiki API.

Wikipedia

Audacity (audio editor)

Audacity is a free and open-source digital audio editor and recording application software, which is available for Windows, macOS, Linux, and other Unix-like operating systems. As of February 15, 2026, Audacity is the second most popular download at FossHub, with over 114.2 million downloads since March 2015. It was previously served by Google Code and SourceForge, where it was downloaded over 200 million times. It has been part of Muse Group since 2021. Audacity 4.0 is distributed under version 3 of the GNU General Public License (GPLv3). Many individual source files are also available under GPL version 2 or later. Its documentation is licensed under Creative Commons Attribution 3.0.

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Dasher is an input method and computer accessibility tool which enables users to compose text without using a keyboard, by entering text on a screen with a pointing device such as a mouse, touch screen, or mice operated by the foot or head. Such instruments could serve as prosthetic devices for disabled people who cannot use standard keyboards, or where the use of one is impractical. Dasher is free and open-source software, subject to the requirements of the GNU General Public License (GPL), version 2. Dasher is available for operating systems with GTK+ support, i.e. Linux, BSDs and other Unix-like including macOS, Windows, Pocket PC, iOS and Android. Dasher was invented by David J. C. MacKay and developed by David Ward and other members of MacKay's Cambridge research group. The Dasher project is supported by the Gatsby Charitable Foundation and by the EU aegis-project. Dasher's code is currently maintained by the ACE Centre, and is being relicensed to the MIT License.

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Xen

Xen (pronounced ) is a free and open-source type-1 (bare-metal) hypervisor, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. It was originally developed by the University of Cambridge Computer Laboratory and is now being developed by the Linux Foundation with support from Intel, Citrix, Arm Ltd, Huawei, AWS, Alibaba Cloud, AMD, Bitdefender and EPAM Systems. The Xen Project community develops and maintains Xen Project as free and open-source software, subject to the requirements of the GNU General Public License (GPL), version 2. Xen Project is currently available for the IA-32, x86-64 and ARM instruction sets.

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Linux Virtual Server

Linux Virtual Server (LVS) is load balancing software for Linux kernel–based operating systems. LVS is a free and open-source project started by Wensong Zhang in May 1998, subject to the requirements of the GNU General Public License (GPL), version 2. The mission of the project is to build a high-performance and highly available server for Linux using clustering technology, which provides good scalability, reliability and serviceability.

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Greenwood / Black Wall Street

Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.

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Madam C.J. Walker