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Mozilla Thunderbird: History, Measurement & Companies

Mozilla Thunderbird is a free and open-source personal information manager primarily used as an e-mail client with a calendar and contactbook, as well as an RSS feed reader, chat client (IRC/XMPP/Matrix), and news client. Operated by MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, Thunderbird is an independent, community-driven…

Language: English [EN]
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Mozilla Thunderbird topic overview

The analysis highlights History, Measurement and Companies as prominent areas in the source structure around Mozilla Thunderbird.

Related topics
132
Source areas
6
Connected nodes
138
Extracted relationships
29
Concept neighborhoods
25
Bridge connections
138

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Email features · 43 topics
Overview · 35 topics
History and development · 27 topics
Other features · 12 topics
Cross-platform support · 10 topics
Thunderbird Pro · 5 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Available in
65 languages
Developers
Mozilla Foundation (formerly Mozilla Messaging) · MZLA Technologies Corporation
Engines
Gecko, SpiderMonkey
License
MPL-2.0
Operating system
Windows 10 or later; macOS 10.15 or later; FreeBSD; Linux; OpenIndiana; Android
Preview release
154.0beta (29 July 2026) [±]

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Email features

Other features

Cross-platform support

History and development

Thunderbird Pro

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Mozilla Thunderbird connects Entity context

The extracted context around Mozilla Thunderbird shows recurring relationship patterns in the source. For example, Mozilla Thunderbird → Mozilla Foundation (formerly Mozilla Messaging), MZLA Technologies Corporation Another extracted example is Mozilla Thunderbird → 65 languages. Use these groups to spot repeated connection types before inspecting the individual relationships.

Mozilla Thunderbird

Top relations

Developers · 2
Mozilla Thunderbird → Mozilla Foundation (formerly Mozilla Messaging), MZLA Technologies Corporation
Available in · 1
Mozilla Thunderbird → 65 languages
Engines · 1
Mozilla Thunderbird → Gecko, SpiderMonkey
License · 1
Mozilla Thunderbird → MPL-2.0
Operating system · 1
Mozilla Thunderbird → Windows 10 or later; macOS 10.15 or later; FreeBSD; Linux; OpenIndiana; Android
Preview release · 1
Mozilla Thunderbird → 154.0beta (29 July 2026) [±]
Release · 1
Mozilla Thunderbird → July 28, 2003; 23 years ago (2003-07-28)
Repository · 1
Mozilla Thunderbird → https://hg-edge.mozilla.org/releases/comm-release/
Size · 1
Mozilla Thunderbird → 50 MB
Stable release · 1
Mozilla Thunderbird → Monthly release: 154.0 / 18 August 2026 ESR: 153.0.3esr / 11 August 2026

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

thunderbird mozilla support email version android release announced development features foundation firefox project new would client available k-9 also team

Mozilla Thunderbird relationships Subject–Predicate–Object triples

TTTA extracted 29 structured relationships around Mozilla Thunderbird. Examples in this analysis include Mozilla Thunderbird → Available in → 65 languages and Mozilla Thunderbird → Developers → Mozilla Foundation (formerly Mozilla Messaging). The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Mozilla ThunderbirdAvailable in65 languages1.00infobox
Mozilla ThunderbirdDevelopersMozilla Foundation (formerly Mozilla Messaging)1.00infobox
Mozilla ThunderbirdDevelopersMZLA Technologies Corporation1.00infobox
Mozilla ThunderbirdEnginesGecko, SpiderMonkey1.00infobox
Mozilla ThunderbirdLicenseMPL-2.01.00infobox
Mozilla ThunderbirdOperating systemWindows 10 or later; macOS 10.15 or later; FreeBSD; Linux; OpenIndiana; Android1.00infobox
Mozilla ThunderbirdPreview release154.0beta (29 July 2026) [±]1.00infobox
Mozilla ThunderbirdReleaseJuly 28, 2003; 23 years ago (2003-07-28)1.00infobox
Mozilla ThunderbirdRepositoryhttps://hg-edge.mozilla.org/releases/comm-release/1.00infobox
Mozilla ThunderbirdSize50 MB1.00infobox
Mozilla ThunderbirdStable releaseMonthly release: 154.0 / 18 August 2026 ESR: 153.0.3esr / 11 August 20261.00infobox
Mozilla ThunderbirdTypePersonal information manager, Email client, Instant messaging client, News client, Feed reader1.00infobox
Mozilla ThunderbirdWebsitewww.thunderbird.net1.00infobox
Mozilla ThunderbirdWritten inC, C++, JavaScript, CSS, Rust, XUL, XBL1.00infobox
Mozilla Thunderbirdis afree and open-source personal information manager primarily used as an e-mail client with a calendar and contactbook0.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Mozilla Thunderbird bring nearby vocabulary together. In this analysis, examples include Foundation, Development and Announced. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Mozilla Thunderbird
    • Foundation
    • Development
    • Announced
    • Project
    • Would
    • Corporation
    • Thunderbird
    • New
    • Technologies
    • Release
    • Support
    • Firefox
  • mozilla thunderbird
    • Foundation
    • Development
    • Announced
    • Project
    • Would
    • Corporation
    • Thunderbird
    • New
    • Technologies
    • Version
    • Email
    • Android
  • chat client
    • News
    • Available
    • Version
    • Email
    • Android
    • Calendar
    • Messaging
    • Since
    • Used
    • Mail
    • Mobile
    • K-9
  • news client
    • News
    • Used
    • Available
    • Version
    • Email
    • Android
    • Calendar
    • Messaging
    • Since
    • Mail
    • Mobile
    • K-9
  • mzla technologies corporation
    • Technologies
    • Foundation
    • Announced
    • Project
    • Would
    • Mozilla
    • Android
    • Development
    • Releases
    • File
    • Message
    • Messaging
  • mozilla foundation
    • Foundation
    • Mozilla
    • Announced
    • Development
    • Technologies
    • Project
    • Would
    • Corporation
    • Messaging
    • Thunderbird
    • New
    • Support
  • android
    • Mobile
    • K-9
    • Mail
    • Including
    • Stable
    • Available
    • Client
    • Thunderbird
    • Version
    • Release
    • Email
    • Technologies
  • large-file support
    • Development
    • Thunderbird
    • Releases
    • File
    • Since
    • Versions
    • Version
    • New
    • Technologies
    • Used
    • Including
    • Stable

Connections between topic areas Semantic bridges

For Mozilla Thunderbird, one of the stronger structural bridges in this analysis connects Mozilla Thunderbird with Email features. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Mozilla Thunderbird — Email features · splits 95 ⟂ 44
Mozilla Thunderbird — Overview · splits 103 ⟂ 36
Mozilla Thunderbird — History and development · splits 111 ⟂ 28
Mozilla Thunderbird — Other features · splits 126 ⟂ 13
Mozilla Thunderbird — Cross-platform support · splits 128 ⟂ 11
Mozilla Thunderbird — Thunderbird Pro · splits 133 ⟂ 6

Map overview Semantic statistics

Mozilla Thunderbird

Nodes139
Edges138
Triples29
Avg. degree1.99
Density0.014388
Components1

Source & methodology

TTTA analyzes the structure around Mozilla Thunderbird to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Measurement & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Mozilla Thunderbird · EN edition · Analysis: TopicsToTalkAbout

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