Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

OpenJDK: History, Companies & Standards

OpenJDK (Open Java Development Kit) is an implementation of the Java Platform, Standard Edition (Java SE). It is the result of an effort Sun Microsystems began in 2006, four years before the company was acquired by Oracle Corporation. OpenJDK is free and open-source software released under the GNU General Public License (GPL) version 2 with a GPL linking…

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

OpenJDK topic overview

The analysis highlights History, Companies and Standards as prominent areas in the source structure around OpenJDK.

Related topics
76
Source areas
6
Connected nodes
82
Extracted relationships
130
Concept neighborhoods
34
Bridge connections
82

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.

History · 45 topics
IcedTea and inclusion in software distributions · 15 topics
Overview · 8 topics
Components · 4 topics
OpenJDK builds · 3 topics
OpenJDK versions · 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.

Developers
Oracle, OpenJDK and Java Community, Red Hat, Azul Systems, IBM, Microsoft, Amazon, Apple, SAP
License
GPL-2.0-only with linking exception
Operating system
Linux, FreeBSD, macOS, Windows, OpenIndiana, OpenVMS; several other ports in progress
Original author
Sun Microsystems
Release
May 8, 2007; 19 years ago (2007-05-08)
Repository
github.com/openjdk/jdk

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

History

Components

OpenJDK versions

OpenJDK builds

IcedTea and inclusion in software distributions

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 OpenJDK connects Entity context

The extracted context around OpenJDK shows recurring relationship patterns in the source. For example, OpenJDK → Also, Another, As, Bryan Varner, BSD, Compatibility Kit, Greg Lewis, Haiku Java Team, January, Java SE, Kurt Miller, Landon Fuller, License Agreement, Mac OS, November, On November, Porters Group, Red Hat, Sun, Sun's Another extracted example is OpenJDK → AdoptiumOpenJDK, Archived, Benson, Change, CS1, Gary, Java, Mark, May, Official, Only Constant Keynote, OpenJDKSapMachine, OracleOpenJDK, Red HatMicrosoft Build, Retrieved March, SAPReinhold, Shark, URL, YouTube, Zero. Use these groups to spot repeated connection types before inspecting the individual relationships.

OpenJDK

Top relations

related to Community improvements · 24
OpenJDK → Also, Another, As, Bryan Varner, BSD, Compatibility Kit, Greg Lewis, Haiku Java Team, January, Java SE, Kurt Miller, Landon Fuller, License Agreement, Mac OS, November, On November, Porters Group, Red Hat, Sun, Sun's
related to External links · 21
OpenJDK → AdoptiumOpenJDK, Archived, Benson, Change, CS1, Gary, Java, Mark, May, Official, Only Constant Keynote, OpenJDKSapMachine, OracleOpenJDK, Red HatMicrosoft Build, Retrieved March, SAPReinhold, Shark, URL, YouTube, Zero
related to IcedTea and inclusion in software distributions · 18
OpenJDK → Due, Fedora, Fedora Linux, GNU Classpath, IcedTea, It, JBoss, JDK, June, Linux, On November, One, OpenJDK Community TCK License, OpenJDK/GNU Classpath, Red Hat, Sun Contributor Agreement, Sun JDK, To
related to Collaboration with IBM, Apple, and SAP · 17
OpenJDK → Apache Harmony, Apache Project Harmony, Apple, Apple Inc, Bob Sutor, Harmony, HotSpot-based Java, IBM, IBM's, Java, Java SE, Linux, Mac OS, On November, On October, Oracle, Oracle Corporation
related to Release of the class library · 16
OpenJDK → April, By, Following, GPL, GUI, Included, Java, Java Class Library, Java Development Kit, JDK, May, Simple Network Management Protocol, SNMP, Sun, The, When
related to Components · 11
OpenJDK → As, HotSpot, IcedTea, Java, Java Class Library, Oracle Corporation, Oracle Java, Sun, The OpenJDK, The Web, Web Start
related to OpenJDK versions · 7
OpenJDK → Java, Java SE Platform, JDK, JDK Project, JDK Release Projects, Since JDK, Unlike
Developers · 1
OpenJDK → Oracle, OpenJDK and Java Community, Red Hat, Azul Systems, IBM, Microsoft, Amazon, Apple, SAP
License · 1
OpenJDK → GPL-2.0-only with linking exception
Operating system · 1
OpenJDK → Linux, FreeBSD, macOS, Windows, OpenIndiana, OpenVMS; several other ports in progress

Important terminology

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

Important terminology

java sun oracle project free open-source software icedtea components jdk port released also class red hat community apple library linux

OpenJDK relationships Subject–Predicate–Object triples

TTTA extracted 130 structured relationships around OpenJDK. Examples in this analysis include OpenJDK → Developers → Oracle, OpenJDK and Java Community, Red Hat, Azul Systems, IBM, Microsoft, Amazon, Apple, SAP and OpenJDK → License → GPL-2.0-only with linking exception. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
OpenJDKDevelopersOracle, OpenJDK and Java Community, Red Hat, Azul Systems, IBM, Microsoft, Amazon, Apple, SAP1.00infobox
OpenJDKLicenseGPL-2.0-only with linking exception1.00infobox
OpenJDKOperating systemLinux, FreeBSD, macOS, Windows, OpenIndiana, OpenVMS; several other ports in progress1.00infobox
OpenJDKOriginal authorSun Microsystems1.00infobox
OpenJDKReleaseMay 8, 2007; 19 years ago (2007-05-08)1.00infobox
OpenJDKRepositorygithub.com/openjdk/jdk1.00infobox
OpenJDKStable release26 / 17 March 2026; 5 months ago (17 March 2026)1.00infobox
OpenJDKTypeJava development kit1.00infobox
OpenJDKWebsiteopenjdk.org1.00infobox
OpenJDKWritten inC++, Java1.00infobox
OpenJDKis aofficial reference implementation of Java SE since version 70.90text
CentOS.In June 2008instance ofRed Hat Enterprise Linux and RHEL derivatives0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around OpenJDK bring nearby vocabulary together. In this analysis, examples include Project, Oracle and Port. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • OpenJDK
    • Project
    • Oracle
    • Port
    • Hat
    • Red
    • Sun
    • Code
    • Community
    • Released
    • Software
    • Free
    • Platform
  • openjdk
    • Project
    • Oracle
    • Port
    • Hat
    • Red
    • Sun
    • Code
    • Community
    • Released
    • Software
    • Free
    • Platform
  • java platform, standard edition
    • Openjdk
    • Implementation
    • Kit
    • Se
    • Jdk
    • Components
    • Oracle
    • Platform
    • Class
    • Open-source
    • Project
    • Free
  • oracle corporation
    • Sun
    • Apple
    • License
    • Platform
    • Code
    • Community
    • Project
    • Also
    • Hat
    • Red
    • Components
    • Jdk
  • free and open-source software
    • Software
    • Open-source
    • Sun
    • Jdk
    • Released
    • License
    • Components
    • Based
    • Library
    • Class
    • Icedtea
    • Release
  • gnu general public license
    • Software
    • Community
    • Hat
    • Red
    • Sun
    • Components
    • Open-source
    • Library
    • Class
    • Released
    • Jdk
    • Oracle
  • java class library
    • Library
    • Components
    • Openjdk
    • Implementation
    • Kit
    • Se
    • Sun
    • Released
    • Release
    • Jdk
    • Open-source
    • Oracle
  • java platform
    • Openjdk
    • Implementation
    • Kit
    • Se
    • Jdk
    • Components
    • Oracle
    • Platform
    • Class
    • Open-source
    • Project
    • Free

Connections between topic areas Semantic bridges

For OpenJDK, one of the stronger structural bridges in this analysis connects OpenJDK with History. 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
OpenJDK — History · splits 37 ⟂ 46
OpenJDK — IcedTea and inclusion in software distributions · splits 67 ⟂ 16
OpenJDK — Overview · splits 74 ⟂ 9
OpenJDK — Components · splits 78 ⟂ 5
OpenJDK — OpenJDK builds · splits 79 ⟂ 4

Map overview Semantic statistics

OpenJDK

Nodes83
Edges82
Triples130
Avg. degree1.98
Density0.024096
Components1

Source & methodology

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

Source: Wikipedia — OpenJDK · EN edition · Analysis: TopicsToTalkAbout

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