Mastodon (social network)

Mastodon
Original author(s)Eugen Rochko[1]
Developer(s)Mastodon gGmbH[2]
Initial release16 March 2016 (2016-03-16)[3]
Stable release
4.3.8[4] Edit this on Wikidata / 6 May 2025 (6 May 2025)
Preview release
4.3.0-rc1 / 30 September 2024 (2024-09-30)
Repository
Written inRuby on Rails, JavaScript (React.js, Redux)
Operating systemCross-platform
PlatformiOS, Android, Linux, BSD, macOS, Microsoft Windows
Available in93 languages[5]
TypeMicroblogging
LicenseAGPLv3+[6]
Websitejoinmastodon.org Edit this at Wikidata
A cartoon Mastodon mascot
The mascot of the Mastodon social network

Mastodon is a free and open-source software platform for decentralized social networking with microblogging features similar to Twitter. It operates as a federated network of independently managed servers that communicate using the ActivityPub protocol, allowing users to interact across different instances within the Fediverse. Each Mastodon instance establishes its own moderation policies and content guidelines, distinguishing it from centrally controlled social media platforms.

First released in 2016 by Eugen Rochko, Mastodon has positioned itself as an alternative to mainstream social media, particularly for users seeking decentralized, community-driven spaces. The platform has experienced multiple surges in adoption, most notably following the Twitter acquisition by Elon Musk in 2022, as users sought alternatives to Twitter.[7] It is part of a broader shift toward decentralized social networks, including Bluesky and Lemmy.

Mastodon emphasizes user privacy and moderation flexibility, offering features such as granular post visibility controls, content warning options, and local community-driven moderation. The software is written in Ruby on Rails and Node.js, with a web interface built using React and Redux. It is interoperable with other ActivityPub-based platforms, such as Threads, and supports various third-party applications on desktop and mobile devices.

  1. ^ Lekach, Sasha (6 April 2018). "The coder who built Mastodon is 24, fiercely independent, and doesn't care about money". Mashable. Archived from the original on 7 April 2017. Retrieved 6 November 2019.
  2. ^ "The company behind Mastodon". joinmastodon.org. Archived from the original on 6 May 2018. Retrieved 2 November 2022.
  3. ^ "v0.1.0". 16 March 2016. Archived from the original on 30 March 2017. Retrieved 18 July 2019 – via GitHub.
  4. ^ https://github.com/mastodon/mastodon/releases/tag/v4.3.8. {{cite web}}: Missing or empty |title= (help)
  5. ^ English plus 92 translations listed in "Mastodon translations in Crowdin". Crowdin. Archived from the original on 12 July 2019. Retrieved 8 November 2022.
  6. ^ "mastodon/mastodon". Mastodon. 5 November 2022. Archived from the original on 11 July 2021. Retrieved 5 November 2022.
  7. ^ Jeong, Ujun; Nirmal, Ayushi; Jha, Kritshekhar; Tang, Xu; Bernard, H. Russell; Liu, Huan (22 September 2023). "User Migration across Multiple Social Media Platforms". arXiv:2309.12613 [cs.SI].

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