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OpenPDF

OpenPDF is a free Java library for creating and editing PDF files with the Mozilla Public License and the GNU Library General Public License free software license. It is a fork of iText, created because the license of iText was changed from LGPL / MPL to a dual AGPL and proprietary license in order for the original authors to sell a proprietary version…

Overview, Related Topics & Entities

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around OpenPDF. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Key facts & relationships

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

Developer
https://github.com/LibrePDF/OpenPDF/graphs/contributors
License
LGPL V2.1 & MPL V2 Open-source software
Operating system
Cross-platform
Release
2017
Repository
github.com/LibrePDF/OpenPDF
Stable release
3.0.5 / 22 May 2026; 3 months ago (22 May 2026)

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

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.

Map overview Semantic statistics

OpenPDF

Nodes7
Edges6
Triples10
Avg. degree1.71
Density0.285714
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

OpenPDF

Top relations

Developer · 1
OpenPDF → https://github.com/LibrePDF/OpenPDF/graphs/contributors
License · 1
OpenPDF → LGPL V2.1 & MPL V2 Open-source software
Operating system · 1
OpenPDF → Cross-platform
Release · 1
OpenPDF → 2017
Repository · 1
OpenPDF → github.com/LibrePDF/OpenPDF
Stable release · 1
OpenPDF → 3.0.5 / 22 May 2026; 3 months ago (22 May 2026)
Type · 1
OpenPDF → Library
Website · 1
OpenPDF → librepdf.github.io/OpenPDF/
Written in · 1
OpenPDF → Java
is a · 1
OpenPDF → free Java library for creating and editing PDF files with the Mozilla Public License and the GNU Library General Public License free software license

Important terminology Word statistics

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

Important terminology

software version java license pdf changed also library lgpl mpl free open-source website fork itext creating editing files mozilla public

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
OpenPDFDeveloperhttps://github.com/LibrePDF/OpenPDF/graphs/contributors1.00infobox
OpenPDFLicenseLGPL V2.1 & MPL V2 Open-source software1.00infobox
OpenPDFOperating systemCross-platform1.00infobox
OpenPDFRelease20171.00infobox
OpenPDFRepositorygithub.com/LibrePDF/OpenPDF1.00infobox
OpenPDFStable release3.0.5 / 22 May 2026; 3 months ago (22 May 2026)1.00infobox
OpenPDFTypeLibrary1.00infobox
OpenPDFWebsitelibrepdf.github.io/OpenPDF/1.00infobox
OpenPDFWritten inJava1.00infobox
OpenPDFis afree Java library for creating and editing PDF files with the Mozilla Public License and the GNU Library General Public License free software license0.90text

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.