Simple Markdown Editor with Real-Time Preview and Customizable Toolbar
Transform textareas into powerful Markdown editors. Features include real-time preview, syntax highlighting, and customizable toolbars.
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penciled: Persistent Text Highlights and Notes in JavaScript
A JavaScript library for text highlighting and notes, with persistent annotations, CSS themes, keyboard controls, and a React adapter.
Editable JavaScript Text Highlights – HighlightHelper.js
A vanilla JavaScript text-highlighting library with editable selections, overlapping ranges, custom colors, and underline styles.
Fast DOM-Free Text Height Measurement – Pretext
A JavaScript text layout library for measuring multiline text height and line breaks before render with cached metrics and browser-like wrapping.
Interactive Text Annotation and Highlighting with Recogito Text Annotator
Turn static page content into an annotation workspace. Recogito Text Annotator handles selection, highlights, undo, and custom data models.
Font-Based Handwriting Text Animation for the Web – Tegaki
Add smooth handwriting animation to hero sections, signatures, or chat interfaces with Tegaki’s font-based stroke rendering engine.
Schema-Based JavaScript Rich Text Editor – Wordgard
Create structured browser editors with Wordgard using custom schemas, modular extensions, HTML/JSON output, tables, themes, and history.
Justif: TeX-Style Text Justification for the Web
Create more consistent justified paragraphs with paragraph-wide line breaking, variable font adjustment, and automatic resize handling.
Meaning-Aware Typography for JavaScript – semfont
Style English prose from meaning with local rules, no model or API, plus React components, custom themes, and raw token scores.
Full-featured WYSIWYG HTML Editor With Image Upload – Autumn Note
A modern JavaScript rich text editor with tables, image crop/upload, find-and-replace, dark mode, auto-save, and Bootstrap 4/5 compatibility.
