List of Mozilla products explained

The following is a list of Mozilla Foundation / Mozilla Corp. products. All products, unless specified, are cross-platform by design.

Client applications

Firefox Focus - A privacy-focused mobile web browser.
Firefox for Android (also Firefox Daylight) - A web browser for mobile phones and smaller non-PC devices.
Firefox Monitor - An online service for alerting the user when their email addresses and passwords have been leaked in data breaches.
Firefox Relay - A privacy focused email masking service which allows for the creation of disposable email aliases
Mozilla Thunderbird - An email and news client.
Mozilla VPN - A virtual private network client.
SeaMonkey (formerly Mozilla Application Suite) - An Internet suite.
- ChatZilla - The IRC component, also available as a Firefox extension.
- Mozilla Calendar - Originally planned to be a calendar component for the suite; became the base of Mozilla Sunbird.
- Mozilla Composer - The HTML editor component.
- Mozilla Mail & Newsgroups - The email and news component.

Bugzilla - A bugtracker.
HTTP Observatory - A tool that helps developers and website administrators improve the security of their site by determining the site's compliance with best security practices.
Rust (programming language)
Skywriter - An extensible and interoperable web-based framework for code editing.
Treeherder - A detective tool that allows developers to manage software builds and to correlate build failures on various platforms and configurations with particular code changes (Predecessors: TBPL and Tinderbox).

Netscape Portable Runtime (NSPR) - A platform abstraction layer that makes operating systems appear the same.
Network Security Services (NSS) - A set of libraries designed to support cross-platform development of security-enabled client and server applications.
Network Security Services for Java (JSS) - A Java interface to NSS.
Personal Security Manager (PSM) - A set of libraries that performs cryptographic operations on behalf of a client application.

Client Customization Kit (CCK) - A set of tools that helps distributors customize and distribute the client.
Mozbot - An IRC bot written in Perl.
Mozilla Directory SDK - For writing applications which access, manage, and update the information stored in an LDAP directory.
Mozilla Raindrop - Was an upcoming technology for sending messages.
Mstone - A multi-protocol stress and performance measurement tool.
Thimble - Mozilla's web-based educational code editor, part of the company's "Webmakers" project (Thimble was shut down in December 2019 and its projects were migrated to Glitch^[1]).

JavaScript - The de facto client-side scripting programming language originated from Netscape Navigator.
NPAPI - A plugin architecture originated from Netscape Navigator.
XBL - A markup language for binding an XML element with its behavior(s).
XPCOM - A software componentry model similar to COM.
XPConnect - A binding between XPCOM and JavaScript.
XPInstall - A technology for installing extensions.
XTF - A framework for implementing new XML elements.
XUL - A markup language for user interface.

Bonsai - A web-based interface for the CVS.
Camino - A web browser intended for Mac OS X.
Classilla - A web browser made for PowerPC-based classic Macintosh operating systems.
ElectricalFire - A Java virtual machine using just-in-time compilation.
Firefox Lockwise - A mobile application and integral part of Firefox Browser, for securely storing & syncing passwords.
Firefox OS - An open source operating system for smartphones and tablet computers mainly based on HTML5.
Firefox Reality - A web browser optimized for virtual reality.
Firefox Send - A web-based file sharing platform with end-to-end encryption and a link that automatically expires.
Mariner - The improved layout engine based on code of Netscape Communicator.
Minimo - A web browser for handheld devices.
Mozilla Grendel - A mail and news client written in Java programming language.
Mozilla Persona - A decentralized authentication system for the web.
Mozilla Sunbird - A calendar client.
Xena ("Javagator") - A communicator suite rewritten in Java programming language.