Open-source alternatives to Esprima

This project is a browser-based JavaScript library that transforms standard web elements into inline, WYSIWYG rich text editing areas. It functions as a programmatic wrapper around the native browser content-editable attribute, providing a structured interface for managing text input, media embedding, and document formatting directly within existing page layouts. The editor is distinguished by its contextual floating toolbar, which dynamically appears based on user text selection to provide relevant formatting options. It utilizes a plugin-based architecture that allows developers to inject c

Draft-js is a framework for building customizable rich text editors within React applications. It functions as a content editable framework that separates the underlying data model from the visual rendering layer, acting as a rich text content engine to manage complex text data and formatting. The project utilizes an immutable state management system to ensure consistent updates and predictable undo history. It manages editor state through persistent data structures, providing an immutable data state manager to prevent accidental mutation. The framework includes capabilities for high perform

jsoneditor is a web-based JSON editor component designed for viewing, editing, and formatting structured data. It provides a user interface for managing JSON through multiple rendering modes, including tree, form, and code views. The project is distinguished by its ability to process and visualize exceptionally large datasets, utilizing virtualized memory management to handle JSON files up to 500 MiB without crashing the browser. It also includes a specialized syntax repair tool to convert malformed text into valid JSON and a data transformer for filtering, sorting, and reshaping documents vi

bootstrap-wysiwyg is a WYSIWYG HTML editor and browser-based content editor designed to integrate with the Bootstrap CSS framework. It provides a visual interface for creating and formatting rich text content that outputs HTML markup. The editor allows for custom text formatting workflows through the configuration of toolbars and keyboard shortcuts. Users can embed images via drag-and-drop and utilize a dedicated process to clean up redundant tags and whitespace in the generated markup.

Trix is a rich text editor and WYSIWYG text component designed for composing and formatting documents with inline styling and block elements. It functions as an HTML content editor that manages and sanitizes input to ensure a secure and consistent document structure, while serving as a document state manager that tracks edit history and persists serialized state. The editor integrates directly with standard HTML forms, converting rich text into data for submission. It features a configurable sanitization engine that cleanses input HTML to remove unsupported tags and mitigate security risks.

Raptor, an HTML5 WYSIWYG content editor!

Pen is a visual WYSIWYG markdown editor and live editing interface that converts markdown patterns into rich text elements in real-time. It serves as a tool for markdown content authoring and transforming editor state into standard markdown strings for export. The editor features a customizable text interface with a formatting toolbar for text-styling actions. It includes systems for hyperlink management and the automatic conversion of specific character sequences into structured headings, lists, blockquotes, and code blocks during the input process. The project provides capabilities for rea

wysihtml5 is an HTML5 rich text editor, HTML sanitizer, and content normalization tool. It is designed to generate semantic and valid HTML5 markup while preventing the use of invalid tags and inline styles. The project distinguishes itself through a content normalization pipeline that converts pasted external content into a consistent document structure. It employs a security layer using sandboxed iframes to parse and clean external content to prevent vulnerabilities. The editor provides capabilities for semantic web authoring by replacing styling tags with standardized class names. It also

TinyMCE is a JavaScript rich text editor and WYSIWYG HTML editor that provides a visual interface for creating and formatting content within web applications. It functions as an extensible editor framework and web content management UI, allowing users to author and style documents through a browser-based interface. The project is distinguished by a plugin-based extension system and a public API that enable the addition of custom capabilities and modifications to the visual interface. It utilizes a framework-agnostic core, providing dedicated integration for React, Vue, and Angular. The syste

Summernote is a JavaScript-based WYSIWYG rich text editor designed to transform standard web form elements into interactive document creation interfaces. It functions as an HTML5 text formatting tool that enables users to structure content, apply visual styles, and manage multimedia directly within a browser. The editor utilizes a modular architecture that allows for the registration of custom buttons and features at runtime. It manages document state through range-based selection tracking and event-driven synchronization, ensuring that formatting commands applied via the toolbar are accurate

Simple, beautiful wysiwyg editor

Official distribution releases of CKEditor 4.

Popline is an HTML5 Rich-Text-Editor Toolbar

A markdown editor. http://lab.lepture.com/editor/

CodeMirror is a browser-based code editor and extensible text editor framework. It functions as a programmable interface for rendering code and text with support for numerous programming languages, serving as a reusable component for web-based integrated development environments. The project provides a syntax highlighting engine that applies visual styles to text based on programming language rules. It includes a programming API and a CSS theming system to customize the editor's appearance and extend its functionality with custom behaviors. The framework covers capabilities for embedding tex

vim.js is a professional modal text editor implementation designed for integration into web browsers and JavaScript-based applications. It emulates a Vim environment by providing modal editing workflows, keyboard shortcuts, and a state-machine-based input handler to toggle between command and insertion modes. The project enables the embedding of a full-featured text editor into host applications. It facilitates browser-based development by replicating the logic and memory management of a native text editor using JavaScript objects and functions. The editor includes capabilities for syntax hi

A lightweight and amazing WYSIWYG JavaScript editor under 10kB

EpicEditor is an embeddable JavaScript Markdown editor with split fullscreen editing, live previewing, automatic draft saving, offline support, and more. For developers, it offers a robust API, can be easily themed, and allows you to swap out the bundled Markdown parser with anything you throw at it.

ngx-pro-editor

📝 A medium like Rich Text Editor built on draft-js with a focus on keyboard shortcuts.

intuitive block based wysiwyg editor built with React and ProseMirror

Angular library for template-driven custom rendering of Contentful rich text fields

Pure Rich-text Editor with TS & React-hooks

Angular 4, 5, 6, 7, 8 and 9 plugin for Froala WYSIWYG HTML Rich Text Editor.

Froala WYSIWYG HTML Editor is one of the most powerful JavaScript rich text editors ever.

MarkdownView is an Android webview with the capablity of loading Markdown text or file and display it as HTML, it uses MarkdownJ and extends Android webview.