Hasty Briefsbeta

Bilingual

Killed by Mozilla

10 hours ago
  • #Discontinued Projects
  • #Firefox
  • #Mozilla
  • Orbit, a Firefox extension using Mistral 7B LLM for summarization, will shut down on June 26th, 2025.
  • Pocket, acquired by Mozilla in 2017, will shut down on July 8th, 2025, to focus on new Firefox features.
  • Fakespot, acquired by Mozilla in 2023, will shut down on July 1st, 2025, due to an unsustainable model.
  • Mozilla Community Pastebin, a dpaste instance, shut down on March 31st, 2025, due to low usage.
  • Mozilla Social, a Mastodon server, will go offline on December 17th, 2024, with no reason given.
  • Firefox Lockwise was discontinued in late 2021 after password management was integrated into Firefox mobile apps.
  • Mozilla shut down its IRC network (irc.mozilla.org) on March 2nd, 2020, replacing it with Matrix.
  • Firefox Send, an encrypted file sharing service, was fully shut down in September 2020 due to abuse.
  • Firefox Notes was decommissioned in November 2020, with notes available only for export.
  • X-Ray Goggles, a browser extension for editing webpage source code, was decommissioned in December 2019.
  • Thimble, a web-based code editor, was shut down by December 2019, with projects migrating to Glitch.
  • Lightbeam, a Firefox extension for tracking cookie visualization, was discontinued in 2019.
  • SpiderNode was a port of Node.js to SpiderMonkey, Firefox’s JavaScript engine.
  • Positron was a Gecko-based runtime for desktop apps, aiming for compatibility with Electron.
  • Mozilla Persona, a single sign-in authentication system, was shut down in 2016 due to low adoption.
  • Firefox OS, an open-source OS for smartphones, ended development in 2016.
  • Shumway, an HTML5-based SWF media player, was discontinued as Flash usage declined.
  • Firefox Hello, a video chat service, was built into Firefox versions 34 - 49.
  • Firefox Tilt, a 3D webpage viewer, was part of Firefox’s developer tools.
  • Appmaker, a no-code mobile app builder, was shut down in September 2015 to focus on Webmaker.
  • XULRunner allowed developers to create standalone desktop apps using Mozilla’s XUL.
  • Camino, a Mac OS X web browser based on Gecko, ended development in 2013.
  • Ubiquity was a natural-language command line experiment for Firefox.
  • Venkman, a JavaScript debugger for Firefox, was superseded by Firebug.
  • Deuxdrop was a secure messaging system, continuing the Raindrop project.
  • Mozilla Prism allowed running web apps directly on the desktop, using Firefox under the hood.
  • Mozilla Sunbird, a standalone calendar app, was discontinued in 2010 to focus on Lightning.
  • Minimo, a version of Mozilla for small devices, was superseded by Firefox Mobile.
  • Mariner aimed to improve Netscape Communicator but was abandoned in 1998 for NGLayout (Gecko).
  • ElectricalFire was an open-source Java virtual machine, no longer developed commercially.
  • Grendel was a Java-based mail and news client, part of Netscape Navigator’s Java rewrite.
  • MXR, Mozilla’s source code indexer, was replaced by DXR for better static analysis and UI.