Sumatra PDF

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Sumatra PDF topic overview

The analysis highlights Literary Connections, History and Works as prominent areas in the source structure around Sumatra PDF.

Related topics: 58
Source areas: 6
Connected nodes: 64
Extracted relationships: 47
Concept neighborhoods: 31
Bridge connections: 64

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 · 17 topics

Overview · 15 topics

Development · 10 topics

Critical reception · 6 topics

History · 5 topics

Name and artwork · 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: Multilingual
Developers: Krzysztof Kowalczyk, Simon Bünzli, and others
License: GNU General Public License v3
Operating system: Windows Vista and newer
Original author: Krzysztof Kowalczyk
Preview release: 3.7.18454 / 21 May 2026; 3 months ago (2026-05-21)

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

Development

History

Name and artwork

Critical reception

Portable Portable software
Keyboard shortcuts Keyboard shortcut
Open-source development Open-source software
Free Software Foundation Europe
Unrar
Free Software

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 Sumatra PDF connects Entity context

The extracted context around Sumatra PDF shows recurring relationship patterns in the source. For example, Sumatra PDF → August, GNU GPLv2, GNU GPLv3, In, In July, It, June, MuPDF, Poppler, The, Windows, Xpdf Another extracted example is Sumatra PDF → As, Krzysztof Kowalczyk, ME, Microsoft Visual Studio, Simon Bünzli, Sumatra, Support, The, Windows, Windows XP. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to history · 12

Sumatra PDF → August, GNU GPLv2, GNU GPLv3, In, In July, It, June, MuPDF, Poppler, The, Windows, Xpdf

related to Development · 10

Sumatra PDF → As, Krzysztof Kowalczyk, ME, Microsoft Visual Studio, Simon Bünzli, Sumatra, Support, The, Windows, Windows XP

related to Critical reception · 9

Sumatra PDF → As, At, February, Free Software, Free Software Foundation Europe, Heiki Ojasild, Sumatra, SumatraPDF, Unrar

Size · 3

Sumatra PDF → 10.5 MB (64-bit), 9.69 MB (32-bit), 9.87 MB (ARM64)

Available in · 1

Sumatra PDF → Multilingual

Developers · 1

Sumatra PDF → Krzysztof Kowalczyk, Simon Bünzli, and others

License · 1

Sumatra PDF → GNU General Public License v3

Operating system · 1

Sumatra PDF → Windows Vista and newer

Original author · 1

Sumatra PDF → Krzysztof Kowalczyk

Preview release · 1

Sumatra PDF → 3.7.18454 / 21 May 2026; 3 months ago (2026-05-21)

Important terminology

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

Important terminology

sumatra version pdf portable released 64-bit windows supports sumatrapdf mupdf support software source code official free open-source file microsoft 32-bit

Sumatra PDF relationships Subject–Predicate–Object triples

TTTA extracted 47 structured relationships around Sumatra PDF. Examples in this analysis include Sumatra PDF → Available in → Multilingual and Sumatra PDF → Developers → Krzysztof Kowalczyk, Simon Bünzli, and others. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
Sumatra PDF	Available in	Multilingual	1.00	infobox
Sumatra PDF	Developers	Krzysztof Kowalczyk, Simon Bünzli, and others	1.00	infobox
Sumatra PDF	License	GNU General Public License v3	1.00	infobox
Sumatra PDF	Operating system	Windows Vista and newer	1.00	infobox
Sumatra PDF	Original author	Krzysztof Kowalczyk	1.00	infobox
Sumatra PDF	Preview release	3.7.18454 / 21 May 2026; 3 months ago (2026-05-21)	1.00	infobox
Sumatra PDF	Release	1 June 2006; 20 years ago (2006-06-01)	1.00	infobox
Sumatra PDF	Repository	github.com/sumatrapdfreader/sumatrapdf	1.00	infobox
Sumatra PDF	Size	9.69 MB (32-bit)	1.00	infobox
Sumatra PDF	Size	10.5 MB (64-bit)	1.00	infobox
Sumatra PDF	Size	9.87 MB (ARM64)	1.00	infobox
Sumatra PDF	Stable release	3.6.1 / 6 April 2026; 4 months ago (2026-04-06)	1.00	infobox
Sumatra PDF	Type	Document viewer	1.00	infobox
Sumatra PDF	Website	sumatrapdfreader.org	1.00	infobox
Sumatra PDF	Written in	C, C++	1.00	infobox
Sumatra PDF	is a	free and open-source document viewer that supports many document formats including	0.90	text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Sumatra PDF bring nearby vocabulary together. In this analysis, examples include Sumatra, Document and Free. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

Sumatra PDF
- Sumatra
- Document
- Free
- Open-source
- Released
- Version
- Kowalczyk
- 64-bit
- Portable
- Djvu
- Epub
- Fictionbook
sumatra pdf
- Sumatra
- Document
- Free
- Kowalczyk
- Open-source
- Software
- Released
- Portable
- Version
- 64-bit
- Djvu
- Epub
document viewer
- Viewer
- Author
- Djvu
- Epub
- Fictionbook
- Mobi
- Multilingual
- Pdf
- Arm64
- Development
- External
- Formats
document formats
- Djvu
- Epub
- Fictionbook
- Mobi
- Viewer
- Author
- Portable
- Multilingual
- Postscript
- Pdf
- Arm64
- Development
portable document format
- Viewer
- Author
- Djvu
- Epub
- Fictionbook
- Mobi
- File
- Multilingual
- Pdf
- Arm64
- Development
- External
microsoft windows
- Djvu
- Epub
- Fictionbook
- Mobi
- Support
- Viewer
- File
- Multilingual
- Open-source
- Supports
- Arm64
- Author
sumatra
- Released
- Version
- Kowalczyk
- 64-bit
- Portable
- Author
- Development
- External
- File
- Supports
- Official
- Software
open-source development
- Portable
- Software
- Multilingual
- Viewer
- Arm64
- Author
- Djvu
- Document
- Epub
- External
- Fictionbook
- Github

Connections between topic areas Semantic bridges

For Sumatra PDF, one of the stronger structural bridges in this analysis connects Sumatra PDF 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

Sumatra PDF — Features · splits 47 ⟂ 18

Sumatra PDF — Overview · splits 49 ⟂ 16

Sumatra PDF — Development · splits 54 ⟂ 11

Sumatra PDF — Critical reception · splits 58 ⟂ 7

Sumatra PDF — History · splits 59 ⟂ 6

Sumatra PDF — Name and artwork · splits 59 ⟂ 6

Map overview Semantic statistics

Sumatra PDF

Nodes65

Edges64

Triples47

Avg. degree1.97

Density0.030769

Components1

Source & methodology

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

Source: Wikipedia — Sumatra PDF · EN edition · Analysis: TopicsToTalkAbout