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Claws Mail: History, Features & Overview

Claws Mail is a free and open-source, C/GTK-based e-mail client, which is both lightweight and highly configurable. Claws Mail runs on both Windows and Unix-like systems such as Linux, BSD, and Solaris. It stores mail in the MH mailbox format. Plugins allow to read HTML mail, but there is none to compose HTML messages.

Language: English [EN]
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Claws Mail topic overview

The analysis highlights History, Features and Overview as prominent areas in the source structure around Claws Mail.

Related topics
29
Source areas
3
Connected nodes
32
Extracted relationships
40
Concept neighborhoods
15
Bridge connections
32

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.

Features · 19 topics
Overview · 9 topics
History · 1 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.

Developer
The Claws Mail Team
License
GPL-3.0-or-later
Operating system
BSD, Linux, macOS, Solaris, Unix, Windows
Preview release
None [±]
Release
May 11, 2001; 25 years ago (2001-05-11)
Repository
git.claws-mail.org?p=claws.git%3Ba%3Dsummary

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

Features

History

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 Claws Mail connects Entity context

The extracted context around Claws Mail shows recurring relationship patterns in the source. For example, Claws Mail → Anti-spam, Bogofilter, Dillo, Fancy, Further, GPG, Gtkhtml2, HTML, LED, LiteHTML, Mbox, Per-folder, Perl, Python, RSS, Search, SpamAssassin, SSL, TNEF, WebKit Another extracted example is Claws Mail → April, Development, In August, Sylpheed, Sylpheed-Claws. Use these groups to spot repeated connection types before inspecting the individual relationships.

Claws Mail

Top relations

related to Features · 21
Claws Mail → Anti-spam, Bogofilter, Dillo, Fancy, Further, GPG, Gtkhtml2, HTML, LED, LiteHTML, Mbox, Per-folder, Perl, Python, RSS, Search, SpamAssassin, SSL, TNEF, WebKit
related to history · 5
Claws Mail → April, Development, In August, Sylpheed, Sylpheed-Claws
Developer · 1
Claws Mail → The Claws Mail Team
License · 1
Claws Mail → GPL-3.0-or-later
Operating system · 1
Claws Mail → BSD, Linux, macOS, Solaris, Unix, Windows
Preview release · 1
Claws Mail → None [±]
Release · 1
Claws Mail → May 11, 2001; 25 years ago (2001-05-11)
Repository · 1
Claws Mail → git.claws-mail.org?p=claws.git%3Ba%3Dsummary
Stable release · 1
Claws Mail → 4.4.0 / 9 March 2026
Type · 1
Claws Mail → E-mail client, news client

Important terminology

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

Important terminology

mail claws client windows linux bsd solaris messages features plugins e-mail none free open-source mailbox format html also external sylpheed

Claws Mail relationships Subject–Predicate–Object triples

TTTA extracted 40 structured relationships around Claws Mail. Examples in this analysis include Claws Mail → Developer → The Claws Mail Team and Claws Mail → License → GPL-3.0-or-later. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Claws MailDeveloperThe Claws Mail Team1.00infobox
Claws MailLicenseGPL-3.0-or-later1.00infobox
Claws MailOperating systemBSD, Linux, macOS, Solaris, Unix, Windows1.00infobox
Claws MailPreview releaseNone [±]1.00infobox
Claws MailReleaseMay 11, 2001; 25 years ago (2001-05-11)1.00infobox
Claws MailRepositorygit.claws-mail.org?p=claws.git%3Ba%3Dsummary1.00infobox
Claws MailStable release4.4.0 / 9 March 20261.00infobox
Claws MailTypeE-mail client, news client1.00infobox
Claws MailWebsitewww.claws-mail.org1.00infobox
Claws MailWritten inC (with GTK)1.00infobox
Claws Mailis afree and open-source0.90text
Linuxinstance ofClaws Mail runs on both Windows and Unix-like systems0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Claws Mail bring nearby vocabulary together. In this analysis, examples include Mail, Bsd and Client. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Claws Mail
    • Mail
    • Bsd
    • Client
    • E-mail
    • Linux
    • Solaris
    • Windows
    • Format
    • Html
    • Mailbox
    • Messages
    • None
  • claws mail
    • Mail
    • Bsd
    • Client
    • E-mail
    • Linux
    • Solaris
    • Windows
    • External
    • Features
    • Format
    • Html
    • Mailbox
  • e-mail client
    • Client
    • E-mail
    • Also
    • Configurable
    • Gtk-based
    • Highly
    • History
    • Lightweight
    • Links
    • News
    • References
    • See
  • news client
    • E-mail
    • References
    • See
    • Also
    • Configurable
    • Gtk-based
    • Highly
    • History
    • Lightweight
    • Links
    • News
    • None
  • windows
    • Bsd
    • Linux
    • Solaris
    • Also
    • Claws
    • History
    • Links
    • News
    • References
    • Runs
    • See
    • Systems
  • bsd
    • Linux
    • Solaris
    • Windows
    • Also
    • Claws
    • History
    • Links
    • News
    • References
    • Runs
    • See
    • Systems
  • features
    • External
    • Also
    • History
    • Links
    • News
    • References
    • See
    • Support
    • Format
    • Html
    • Linux
    • Mailbox
  • linux
    • Solaris
    • Windows
    • Also
    • History
    • Links
    • News
    • References
    • Runs
    • See
    • Systems
    • Unix-like
    • External

Connections between topic areas Semantic bridges

For Claws Mail, one of the stronger structural bridges in this analysis connects Claws Mail with 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
Claws Mail — Features · splits 13 ⟂ 20
Claws Mail — Overview · splits 23 ⟂ 10

Map overview Semantic statistics

Claws Mail

Nodes33
Edges32
Triples40
Avg. degree1.94
Density0.060606
Components1

Source & methodology

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

Source: Wikipedia — Claws Mail · EN edition · Analysis: TopicsToTalkAbout

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