Killed by Mozilla
8 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.