Category
page 1Software using the Mozilla Public License
Q698
Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. It uses the Gecko rendering engine to display web pages, which implements current and anticipated web standards. The software is available for Windows, macOS, and Linux systems, with unofficial ports for other platforms, as well as a mobile version for Android (see Firefox for Android) and iOS.
Q10135
LibreOffice () is a free and open-source office productivity software suite developed by The Document Foundation (TDF). It was created in 2010 as a fork of OpenOffice.org, itself a successor to StarOffice. The suite includes applications for word processing (Writer), spreadsheets (Calc), presentations (Impress), vector graphics (Draw), database management (Base), and formula editing (Math). It supports the OpenDocument format and is compatible with other major formats, including those used by Microsoft Office.

Mozilla Thunderbird
free and open source email client and personal information manager

SeaMonkey
SeaMonkey is a free and open-source Internet suite. It is the continuation of the former Mozilla Application Suite, based on the same source code, which itself grew out of Netscape Communicator and formed the base of Netscape 6 and Netscape 7.
Q55671
Bugzilla is a web-based general-purpose bug tracking system and testing tool originally developed and used by the Mozilla project, and licensed under the Mozilla Public License.
Camino
open source Web browser
Q387313
free software calendar application
ChatZilla
Waterfox
Waterfox is a free and open-source web browser and fork of Firefox. It claims to be ethical and user-centric, emphasizing performance and privacy. There are official Waterfox releases for Windows, macOS, Linux and Android. It was created in 2012 to provide official 64-bit support when Firefox was only available for 32-bit systems.
Pale Moon
web browser
NeoOffice
NeoOffice is a discontinued office suite for the macOS operating system developed by Planamesa Inc. It was a commercial fork of the free and open source LibreOffice office suite, including a word processor, spreadsheet, presentation program, and graphics program. It added some features not present in the macOS versions of LibreOffice and Apache OpenOffice. The last few versions were based on LibreOffice 4.4, which was released mid-2014.
Firefox Focus
mobile web browser
Cairo
graphics-related software library
Q105623664
LibreWolf is a free and open-source fork of Firefox, with an emphasis on privacy and security. It is licensed under the MPL 2.0.
SpiderMonkey
SpiderMonkey is an open-source JavaScript and WebAssembly engine by the Mozilla Foundation. The engine powers the Firefox Web browser and has used multiple generations of JavaScript just-in-time (JIT) compilers, including TraceMonkey, JägerMonkey, IonMonkey, and the current WarpMonkey.
RabbitMQ
RabbitMQ is an open-source message-broker software (sometimes called message-oriented middleware) that originally implemented the Advanced Message Queuing Protocol (AMQP) and has since been extended with a plug-in architecture to support Streaming Text Oriented Messaging Protocol (STOMP), MQ Telemetry Transport (MQTT), and other protocols.
Syncthing
Syncthing is a peer-to-peer file synchronization utility, designed to sync files between devices on a local network or between remote devices over the Internet. It runs on Windows, macOS, Linux, Android, iOS, *BSD and illumos. The software is free and open source, and its version 1.0 was released in 2019 after 5 years in beta.
Pike
programming language
Rhino
JavaScript engine
Goanna
software

BlueGriffon
BlueGriffon was a WYSIWYG content editor for the World Wide Web. It is based on the discontinued Nvu editor, which in turn is based on the Composer component of the Mozilla Application Suite, which was previously known as Netscape Composer, which was bundled with Netscape Gold before it was renamed to Netscape Communicator. Powered by Gecko, the rendering engine of Firefox, it can edit Web pages in conformance to Web Standards. It ran on Microsoft Windows, macOS and Linux.

Q797243
BZFlag (an abbreviation for Battle Zone capture the Flag) is an online multiplayer free and open-source tank game. In the game of BZFlag, players drive around tanks, viewed from a first-person view, in a server-defined world (also known as a "map"), which can be modified.
Firefox Lockwise
password manager by Firefox
H2
relational database management system
Natron
compositing software
Q130541359
web browser based on Mozilla Firefox
ActiveState Komodo
free text editor for dynamic programming languages
Q97353693
open-source virtual private network service by Mozilla
XULRunner
XULRunner is a discontinued, packaged version of the Mozilla platform to enable standalone desktop application development using XUL, developed by Mozilla. It replaced the Gecko Runtime Environment, a stalled project with a similar purpose. The first stable developer preview of XULRunner was released in February 2006, based on the Mozilla 1.8 code base. Mozilla stopped supporting the development of XULrunner in July 2015.

Firefox Send
former file sharing and encryption service by Firefox
Cemu
Cemu is a free and open-source Wii U emulator, first released on October 13, 2015 for Microsoft Windows as a closed-source emulator developed by Exzap and Petergov. With the release of Cemu 2.1 on August 27, 2024 it gained stable support for Linux and macOS. Though still under development, it is able to run the majority of games smoothly, assuming compatible hardware. The popularity of the emulator spiked with the release of The Legend of Zelda: Breath of the Wild in 2017 as Cemu successfully booted and ran the title within hours of its release.
SpatiaLite
SpatiaLite is a spatial extension to SQLite, providing vector geodatabase functionality. It is similar to PostGIS, Oracle Spatial, and SQL Server with spatial extensions, although SQLite/SpatiaLite aren't based on client-server architecture: they adopt a simpler personal architecture. i.e. the whole SQL engine is directly embedded within the application itself: a complete database simply is an ordinary file which can be freely copied and transferred from one computer/OS to a different one without any special precaution.
Collabora Online
open source online office suite
ProcessWire
ProcessWire is a free and open source content management system (CMS), content management framework (CMF) and web application framework (WAF) written in the PHP programming language. It is distributed under the Mozilla Public License 2.0. ProcessWire is built around an API with usage and naming conventions similar to the JavaScript framework jQuery. The stated goal behind the API is to provide the level of accessibility and control to pages in a website that jQuery provides to the DOM. Content is managed either via the API or the web-based admin control panel. ProcessWire is largely used for d
ZeroMQ
ZeroMQ (also spelled ØMQ, 0MQ or ZMQ) is an asynchronous messaging library, aimed at use in distributed or concurrent applications. It provides a message queue, but unlike message-oriented middleware, a ZeroMQ system can run without a dedicated message broker; the zero in the name is for "zero broker". The library's API is designed to resemble Berkeley sockets.
Beonex Communicator
Internet application suite
Tamarin
free software virtual machine
Celtx
Celtx () is media pre-production software, designed for creating and organizing media projects like screenplays, films, videos, stageplays, documentaries, machinima, games, and podcasts. The software is developed by Celtx Inc., which is owned by Boston, Massachusetts-based media company Backlight.
leJOS
leJOS is a firmware replacement for Lego Mindstorms programmable bricks. Different variants of the software support the original Robotics Invention System, the NXT, and the EV3. It includes a Java virtual machine, which allows Lego Mindstorms robots to be programmed in the Java programming language. It also includes 'iCommand.jar' which allows you to communicate via bluetooth with the original firmware of the Mindstorm. It is often used for teaching Java to first-year computer science students. The leJOS-based robot Jitter flew around on the International Space Station in December 2001.
Decentralized Privacy-Preserving Proximity Tracing
proximity contact tracing protocol
GLScene
GLScene is a free OpenGL-based library for Delphi, C++ and Free Pascal. It provides visual components and objects allowing description and rendering of 3D scenes.
FreeSWITCH
FreeSWITCH is a free and open-source telephony software for real-time communication protocols using audio, video, text and other forms of media. The software has applications in WebRTC, voice over Internet Protocol (VoIP), video transcoding, Multipoint Control Unit (MCU) functionality and supports Session Initiation Protocol (SIP) features.
Basilisk
Web browser
AOLserver
AOLserver is AOL's open source web server. AOLserver is
multithreaded, Tcl-enabled, and used for large scale, dynamic web sites.
Komodo IDE
Integrated Development Environment