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CKEditor

CKEditor (formerly known as FCKeditor) is a WYSIWYG rich text editor which enables writing content directly inside of web pages or online applications. Its core code is written in TypeScript. CKEditor is available under open source and commercial licenses (including a free tier ready for commercial use).

History & Products

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Research this topic

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

Explore this topic

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Key facts & relationships

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

CKEditor 4
CKEditor 44.22.1 / June 30, 2023; 3 years ago (2023-06-30)CKEditor 4 LTS4.25.1-lts / February 5, 2025; 18 months ago (2025-02-05)CKEditor 548.0.0 / March 31, 2026; 4 months ago… · 4.22.1 / June 30, 2023; 3 years ago (2023-06-30)
CKEditor 4 LTS
4.25.1-lts / February 5, 2025; 18 months ago (2025-02-05)
CKEditor 5
48.0.0 / March 31, 2026; 4 months ago (2026-03-31)
Developer
CKSource
License
CKEditor 4: GPL, LGPL and MPL CKEditor 4 LTS: commercial CKEditor 5: GPL and commercial
Original author
Frederico Caldeira Knabben

Topics to explore

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

Overview

History

Features

Browser compatibility

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

CKEditor

Nodes25
Edges24
Triples64
Avg. degree1.92
Density0.08
Components1

How this topic connects Entity context

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

CKEditor

Top relations

related to CKEditor 5 · 11
CKEditor → After, API, Balloon, Classic, Document, Inline, JavaScript, Operational Transformation, The, UX, With
related to Browser compatibility · 9
CKEditor → Android, Chrome, Firefox, Google Chrome, In, Internet Explorer, Microsoft Edge, Opera, Safari
related to FCKeditor and CKEditor 3 · 8
CKEditor → After, Benevolent Dictator, FCKeditor, Frederico Caldeira Knabben, Life, March, The, UI
related to CKEditor 4 · 7
CKEditor → CSS, DOM, In December, Inline Editing, It, June, The
related to Features · 7
CKEditor → Accessibility Checker, Also CKEditor, CKBox, HTML, There, WebSpellChecker LLC, Word
related to CKEditor AI · 5
CKEditor → AI-assisted, APIs, CKEditor AI, In, It
related to AI-assisted writing · 3
CKEditor → AI-generated, CKEditor AI, UI
CKEditor 4 · 2
CKEditor → 4.22.1 / June 30, 2023; 3 years ago (2023-06-30), CKEditor 44.22.1 / June 30, 2023; 3 years ago (2023-06-30)CKEditor 4 LTS4.25.1-lts / February 5, 2025; 18 months ago (2025-02-05)CKEditor 548.0.0 / March 31, 2026; 4 months ago…
CKEditor 4 LTS · 1
CKEditor → 4.25.1-lts / February 5, 2025; 18 months ago (2025-02-05)
CKEditor 5 · 1
CKEditor → 48.0.0 / March 31, 2026; 4 months ago (2026-03-31)

Important terminology Word statistics

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

Important terminology

content ai editor editing also features ai-assisted fckeditor model rich inside available real-time collaborative writing text enables web code including

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
CKEditorCKEditor 4CKEditor 44.22.1 / June 30, 2023; 3 years ago (2023-06-30)CKEditor 4 LTS4.25.1-lts / February 5, 2025; 18 months ago (2025-02-05)CKEditor 548.0.0 / March 31, 2026; 4 months ago…1.00infobox
CKEditorCKEditor 44.22.1 / June 30, 2023; 3 years ago (2023-06-30)1.00infobox
CKEditorCKEditor 4 LTS4.25.1-lts / February 5, 2025; 18 months ago (2025-02-05)1.00infobox
CKEditorCKEditor 548.0.0 / March 31, 2026; 4 months ago (2026-03-31)1.00infobox
CKEditorDeveloperCKSource1.00infobox
CKEditorLicenseCKEditor 4: GPL, LGPL and MPL CKEditor 4 LTS: commercial CKEditor 5: GPL and commercial1.00infobox
CKEditorOriginal authorFrederico Caldeira Knabben1.00infobox
CKEditorRepositoryCKEditor 4 GitHub repo CKEditor 5 GitHub repo1.00infobox
CKEditorTypeHTML editor, online rich-text editor1.00infobox
CKEditorWebsiteckeditor.com1.00infobox
CKEditorWritten inJavaScript1.00infobox
styles formattinginstance ofFeaturesCKEditor 5 has features found in desktop word processors0.80text

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

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    Min side: 3
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