Open-source alternatives to Editor.md

Dillinger is a browser-based Markdown HTML5 editor designed for real-time text editing and visual rendering. It functions as a cloud-synced writing tool that transforms markup syntax into live HTML previews, utilizing OAuth-integrated authentication to connect users with third-party services. The project distinguishes itself by integrating cloud document synchronization with external storage providers and offering direct publishing capabilities to platforms such as Medium. It also includes a dedicated Markdown-to-PDF converter for generating professional documents and a focus mode to create a

Yoopta-Editor is a headless framework for building customizable block-based rich text editors. It utilizes a JSON-based document engine to manage editor state and provides a WYSIWYG interface for creating structured documents. The system separates core document logic from the visual layer, allowing for complete customization of the user interface. The framework is designed for real-time collaborative editing, featuring a synchronization engine with conflict resolution and remote cursor presence tracking. It offers a highly extensible plugin system that allows developers to define new content

yn is a markdown text editor and knowledge management tool designed as an interactive document canvas. It functions as a networked note-taking system for organizing information via wiki-links, hashtags, and local file repositories, while integrating an AI writing assistant for automated text generation and completion. The project is distinguished by its multi-engine diagramming capabilities, which render text-based syntax into visuals using Mermaid, PlantUML, and ECharts. It employs an extensible plugin framework that allows for the addition of custom UI elements and features through JavaScri

MarkEdit is a high-performance Markdown text editor and document navigator. It provides a scriptable editing environment that supports side-by-side HTML rendering for real-time formatting previews. The editor is distinguished by a multi-caret engine that enables rectangular block selections and simultaneous modification of multiple text ranges. It allows for extensive interface and functional customization through external CSS stylesheets and the integration of system-level scripts to automate repetitive tasks. The application includes tools for managing large documents, such as content bloc

StackEdit is a browser-based Markdown editor designed for structured document authoring and collaborative content creation. It functions as an offline-first web application, allowing users to maintain full access to their documents and editing tools without an active internet connection, with changes automatically synchronized once connectivity is restored. The platform distinguishes itself through its support for real-time multi-user collaboration, utilizing operational transformation to merge concurrent edits from multiple participants. It features a modular architecture that supports speci

TablePro is a cross-platform database management client designed for browsing, querying, and administering both SQL and NoSQL databases. It functions as a unified workspace that integrates a code-centric SQL editor with schema visualization tools, allowing developers to manage complex data models and execute queries across diverse database engines. The application distinguishes itself through an agentic AI integration layer that connects language models directly to database tools, enabling automated query generation, optimization, and error fixing with configurable approval gates. It features

This project is a browser-based Markdown composer and an embeddable JavaScript component designed to replace standard HTML text areas with a formatted editing interface. It serves as a tool for Markdown content authoring, providing a visual environment for creating and formatting text. The editor features a formatting toolbar and keyboard shortcuts for real-time Markdown parsing, along with integrated spell checking to identify errors as the user types. It includes a system for automatic draft management that saves content to local storage at configurable intervals to prevent data loss. The

Traven is a modular frontend library designed to embed professional-grade Markdown editing interfaces into web applications and standard HTML forms. It functions as a visual authoring component that renders Markdown as rich text, allowing users to write and format content through a live-preview interface while maintaining bidirectional synchronization with the underlying raw text. The editor distinguishes itself through a focus on performance and extensibility, utilizing virtualized viewport rendering to maintain responsiveness when handling massive documents. It supports a "what you see is w

This project is a Vditor-based markdown editor designed for online writing and formatting. It provides a visual editing environment featuring instant rendering and split-screen previews for authoring markdown content. The editor includes specialized tools for generating slide-based presentations using structural separators and embedding technical diagrams, such as flowcharts, Gantt charts, and sequence diagrams. It also functions as a document converter, capable of transforming HTML into markdown and exporting files to PDF, Word, and image formats. The system manages document state through l

Zed is a terminal-based code editor built in Rust that provides a full-featured editing experience with familiar keybindings, mouse support, and multiple cursors. It runs entirely in the terminal while offering capabilities typically found in graphical editors, including split panes, a command palette, and integrated language server protocol support for real-time diagnostics, completions, go-to-definition, and code actions across multiple languages. The editor distinguishes itself through a plugin system that runs sandboxed TypeScript plugins in a QuickJS runtime, with an asynchronous bridge

Brackets is an extensible JavaScript IDE and front-end code editor specifically designed for authoring HTML, CSS, and JavaScript. It serves as a web development text editor that provides a specialized environment for building websites. The editor is distinguished by its live preview capabilities, which render code changes in a browser in real time for immediate visual feedback. It further supports front-end workflows through inline style editing and the ability to synchronize code changes across multiple browser windows for cross-browser testing. The project includes a wide range of developm

CKEditor 4 is a browser-based WYSIWYG rich text editor that enables users to create and format HTML content directly in the browser. It operates on a plugin-based architecture with a configurable toolbar system, DOM-based content editing, and an event-driven lifecycle, all delivered through a CDN-based distribution model. The editor supports skin-based theming and includes a legacy plugin compatibility layer for backward compatibility. The editor distinguishes itself as a cross-platform framework that integrates natively with Angular, React, Vue, Electron, Android, and iOS environments. It of

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

Fusuma is a markdown presentation framework and static slide generator that transforms Markdown and MDX files into structured slide decks for web-based presentations. It functions as a technical content renderer and an interactive presentation tool, enabling the creation of slides from text-based source files. The project distinguishes itself as a speaker delivery suite, providing tools for presentation rehearsal such as voice recording, timing analysis, and rehearsal timelines. It includes a dedicated presenter view with speaker notes and supports real-time slide annotations and live comment

DesktopEditors is an office suite application designed for creating and editing text documents, spreadsheets, and presentations across different operating systems. It serves as an OOXML compatible editor, ensuring that files are read and written according to Office Open XML standards for cross-platform document exchange. The suite functions as a collaborative document platform featuring real-time co-authoring, version tracking, and integrated communication tools. It also acts as an AI-powered document assistant and PDF editor, providing capabilities for content generation, automated spreadshe

Simditor is a JavaScript-based rich text editor and WYSIWYG HTML editor designed for creating structured documents within web applications. It functions as a web-based media editor and HTML content sanitizer, allowing users to compose and format content visually. The project distinguishes itself through an integrated system for handling media and security. It features server-side image upload capabilities that support both local file selection and clipboard pasting, alongside a whitelist-based HTML markup filtering system to ensure consistent and secure output. The editor provides broad capa

TextMate is a programmable text editor designed for software development and project management. It functions as a highly customizable environment where users can define language-specific behaviors, syntax highlighting rules, and automated workflows to suit their individual development needs. The editor distinguishes itself through a modular, bundle-based extensibility model that allows for deep integration with system shell commands. By piping document buffers through external scripts and command-line tools, users can perform complex text transformations, automate file lifecycle tasks, and b

MiaoYan is a local Markdown editor and personal knowledge management tool. It functions as a system for writing and organizing documents stored as local files, supporting the creation of a connected information network through bidirectional links and backlinks. The project includes a specialized tool for converting Markdown documents into slide-based presentations by using specific content separators. It also provides a command-line interface for managing files, allowing users to create, search, and open documents without a graphical file explorer. The editor features a side-by-side live pre

Tiptap is a headless, modular framework designed for building custom rich-text editors. It provides a developer-focused abstraction layer over a structured document model, allowing for full control over the underlying schema through a plugin-based architecture. By separating document state management from the user interface, it enables the creation of tailored editing experiences that remain framework-agnostic. The project distinguishes itself through a robust collaborative engine that supports real-time multi-user editing, conflict resolution, and presence tracking. It integrates artificial

CodeMirror is a browser-based code editor framework and modular extension system used to embed full-featured text editors into web pages. It functions as a syntax tree parsing engine and a language server protocol client, enabling structural language analysis and deep integration with external programming language services. The project is distinguished by its modular architecture, which uses a system of extensions and compartments for dynamic reconfiguration at runtime. It supports real-time collaborative editing and state synchronization through an operational transformation framework, allow

EpicEditor is a JavaScript-based Markdown editor designed as an embeddable UI component for web applications. It functions as a local-first content manager, utilizing browser local storage for automatic draft saving and offline content persistence. The editor is distinguished by its use of iframes to isolate styles, preventing CSS leakage between the editor and the host application. It features a customizable Markdown parser that allows developers to replace the default parsing engine with custom functions to transform text into specific output formats. The system provides a split-pane inter

TakeNote is a containerized web application designed as a markdown notes manager for developers. It provides a structured environment for storing technical documentation and plain text snippets using categories and favorites. The application functions as a specialized markdown text editor featuring multi-cursor support and keyboard shortcuts for high-efficiency text manipulation. It includes a live preview mode that renders markdown with syntax highlighting for code blocks. The system covers note organization and management through category-based filtering, bulk collection actions, and a dra

Typecho is a self-hosted PHP blogging platform and content management system designed for publishing blogs and journals. It functions as a multi-database CMS, providing a writing interface that converts lightweight markup language into formatted HTML for streamlined article authoring. The platform is built as a plugin-based system, allowing users to extend functionality and modify site behavior through third-party extensions. Site appearance and layout are managed through a customizable theme system. The system includes capabilities for managing content via custom data fields and supports da

Macdown is a markdown text editor and HTML renderer designed for structured document composition. It provides a workspace for writing in lightweight markup syntax while simultaneously generating a live HTML preview of the rendered output. The editor distinguishes itself through a programmable interface, offering a command line utility to open files or pipe text directly into the application. It further supports extensibility via a plugin system that allows for the addition of custom features and functional modules at runtime. The application handles technical documentation requirements inclu

Easy Markdown Editor is a browser-based JavaScript library designed to replace standard HTML text areas with an interactive interface for structured document creation. It provides a web-based environment for Markdown content authoring, combining raw syntax input with visual formatting tools and real-time preview capabilities. The editor distinguishes itself through a plugin-driven toolbar architecture that allows for extensive interface customization, including adjustable layouts, icon visibility, and visual themes. It also integrates automated draft persistence, which saves content to local

This project is a website theme for Hugo designed to transform Markdown files into professional academic portfolios, including CVs and publication lists. It functions as a static site template and portfolio builder, enabling the creation of researcher profiles and technical blogs. The framework includes a specialized publication manager that automatically generates individual research pages and citations by importing BibTeX files or DOI references. It also features a dedicated LaTeX mathematics renderer to display technical notation and equations across the site. The system supports a broad

This project is a web-based markdown editing component designed for integration into Vue applications. It provides a text input interface for creating and modifying markdown content, featuring real-time rendering and a live preview that transforms source text into formatted HTML. The editor is built on a modular framework that supports custom plugins and visual themes, allowing developers to extend core functionality and align the workspace appearance with host application designs. It utilizes a standardized hook architecture to enable these extensions, ensuring that the editing environment c