Open-source alternatives to Docx Editor

CKEditor 5 is a modular rich text editor framework and JavaScript UI component used to build customizable visual editors. It serves as a system for generating HTML or Markdown content, providing both full rich-text editor components and restricted inline editor components for web applications. The framework includes a collaborative editing engine for real-time simultaneous editing, change tracking, and threaded commenting. It features an AI text assistant for polishing, rewriting, and generating content, as well as a document export engine that transforms rich text into PDF and Word files. T

Firepad is a Firebase collaborative text editor and rich text editor component. It functions as a real-time collaborative framework and operational transformation engine designed to synchronize document editing across multiple concurrent users. The project provides tools for shared document synchronization and collaborative presence tracking, allowing users to see live cursor positions and identifiers. It supports rich text authoring integration for both formatted content and code editing. The system manages document consistency through shared document synchronization and provides capabiliti

This project is a cloud-based office suite and self-hosted document server that enables the creation and editing of documents, spreadsheets, and presentations. It functions as a headless office application, utilizing a server-side processing engine to handle file rendering and formatting without requiring a local graphical user interface. The system operates as a real-time collaborative editor, employing operational transformation to allow multiple users to edit files simultaneously. It also serves as a web-based document processor capable of automating office tasks through macro execution an

This project is a JavaScript spreadsheet component and web-based data table that provides an interactive grid for managing tabular data. It functions as a cross-framework UI component compatible with React, Vue, and jQuery, and can also be embedded as a standalone web component. The grid is specifically designed for XLSX interoperability, allowing users to import and export XLSX files while preserving formulas and styles. It distinguishes itself through real-time collaboration for simultaneous multi-user editing and a flexible system for creating custom cell editors and specialized column typ

Trumbowyg is a lightweight JavaScript WYSIWYG editor used to create and format rich-text and HTML content directly within a web browser. It serves as a client-side tool for generating semantic HTML markup and authoring web content. The project features a modular, plugin-based architecture that allows for the addition of new formatting commands and toolbar buttons. It provides a configurable interface where the toolbar layout can be customized via a predefined array and labels can be translated through localization files. The editor covers a wide range of content manipulation capabilities, in

ProseMirror is a rich text editor framework and collaborative editing engine designed for building semantic content editors. It provides a toolkit for creating text interfaces where document structure is governed by a declarative, schema-driven model. The framework enables the development of editors that treat text as structured data rather than simple HTML, ensuring that document content remains semantically consistent through a strict schema. This architecture supports real-time collaborative editing to synchronize document changes across multiple users.

Lexical is a modular rich text editor framework used to build extensible web-based editors. It functions as a state-driven content editor that maintains a serializable, immutable snapshot of document content to ensure predictable updates and accessibility compliance. The framework is distinguished by its plugin-based architecture and customizable node framework, which allow developers to extend editor behavior through specialized content nodes and encapsulated runtime logic. It also includes a collaborative editing engine capable of synchronizing document state across multiple clients in real

Editable is a modular framework for building custom web-based rich text editors. It provides a structured environment for managing complex document content, including support for structured data like lists and grids, while maintaining an immutable tree representation to ensure predictable state manipulation. The framework distinguishes itself through a collaborative engine that synchronizes document state across multiple users in real-time using operational transformation. It also features a plugin-based architecture that allows developers to intercept rendering and node behavior, enabling th

Derby is an isomorphic MVC framework and real-time data synchronization engine designed for building collaborative applications. It functions as a bi-directional data binding library and template engine that shares a single codebase between Node.js and the browser to synchronize state across clients and servers. The framework distinguishes itself through the use of operational transformation to resolve data conflicts automatically, enabling real-time shared editing and multi-user collaboration. It employs a differential state mutation model to minimize updates by performing deep equality chec

Wireflow is a real-time collaborative flowchart tool and visual mapping application. It provides a shared digital canvas where multiple users can simultaneously design diagrams, map user flows, and create process maps. The application uses an operational transformation engine to resolve conflicting edits and maintain a consistent state across all users. A vector-based renderer ensures that flowchart elements remain sharp at any zoom level, while a WebSocket synchronization layer broadcasts canvas updates and cursor movements instantly between clients. The project is delivered as a containeri

Liveblocks is a realtime collaboration infrastructure platform that synchronizes application state, documents, and user presence across multiple participants using conflict-free replicated data types. It provides a managed backend for collaborative text editors, threaded commenting and annotation systems, in-app notifications, and AI copilot deployment, all built on a WebSocket transport layer with server-side room management APIs. The platform distinguishes itself through a headless component primitive system that exposes unstyled React hooks and composable building blocks, allowing develope

ONLYOFFICE DocumentServer is a self-hosted online office suite that provides browser-based document, spreadsheet, and presentation editing with real-time collaborative capabilities. It natively supports Office Open XML formats (.docx, .xlsx, .pptx) and can be deployed on Linux servers, either through Docker containerization or direct installation. The server includes a cooperative editing engine that coordinates simultaneous changes across multiple users using operational transformation, with a WebSocket synchronization layer for instant state propagation. Security is handled through JWT auth

This project is a rich text editor component for React applications that provides a visual interface for composing and formatting content. It functions as a DraftJS-based WYSIWYG editor, allowing users to create structured documents with inline styles and block types. The editor features a customizable toolbar interface for managing text alignment, lists, and media embeds. It includes a specialized input system for inserting emojis, hashtags, and user mentions as single deletable units. The project provides capabilities for transforming internal editor state into HTML, JSON, or Markdown form

This project is a plugin-based WYSIWYG document layout engine and rich text editor that uses Canvas and SVG for rendering. It functions as a collaborative editor utilizing conflict-free replicated data types to enable real-time synchronization across multiple users. The system serves as an interactive form builder, allowing for the embedding of input controls such as checkboxes and date pickers directly into documents. It is designed for high-fidelity output, ensuring the visual representation during editing matches the final format for PDF and image exports. The editor covers broad capabili

BlockNote is a block-based rich text editor and a real-time collaborative workspace. It uses a JSON-based data model to organize content into draggable, nestable blocks rather than a single flat document. The system functions as a high-level interface built on ProseMirror that abstracts document state into discrete, manipulatable content blocks. The project serves as a framework for integrating large language models into document editors, enabling context-aware text generation and AI-driven workflows. It also acts as a document export engine capable of converting structured block data into fo

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

Jazz is a local-first relational database and synchronization framework designed for offline-capable applications. It functions as a reactive state management system that treats database records as the primary source of truth, automatically updating user interfaces in real time as underlying data changes. The project distinguishes itself through a collaborative data synchronization model that utilizes row-level versioning to track branching edit histories. It implements a security engine based on identity-claim row security, which enforces granular permissions on individual records, and suppo

Slate is a customizable rich text editor framework that treats documents as a recursive tree of nodes. It functions as a schema-based, state-driven system designed to enforce structural constraints and manage nested components within a structured document model. The framework utilizes a plugin-based architecture to extend editor functionality, allowing for the injection of custom logic into the rendering and transformation pipeline. It supports real-time collaborative editing by synchronizing document operations across multiple users. The system covers a broad range of capabilities, includin

btrace is a JVM dynamic tracing tool and performance profiler used for injecting safe instrumentation scripts into a running Java Virtual Machine without requiring a process restart. It functions as a Java agent framework and a Model Context Protocol server, exposing JVM diagnostic operations and tracing tools to large language models and AI assistants. The project distinguishes itself by enabling real-time code injection and bytecode-level instrumentation via a secure binary protocol. It ensures production stability through a static safety analysis engine that blocks unstable code patterns,

This project provides a collection of infrastructure components for multichain wallet integration, including a cryptographic library for cross-chain transaction signing and a curated repository for cryptocurrency asset metadata. It serves as a central hub for managing token logos, contract addresses, and technical specifications for digital assets across multiple blockchains. The system includes a Model Context Protocol server that exposes real-time blockchain data and technical documentation to large language models. It further extends this AI integration by providing a standardized tool-cal

Hocuspocus is a backend framework designed to facilitate real-time collaborative editing and state synchronization in web applications. It functions as a server-side infrastructure that manages persistent WebSocket connections, enabling multiple users to edit shared documents simultaneously while maintaining data consistency through a conflict-free replicated data type engine. The platform distinguishes itself through a modular, middleware-driven architecture that allows developers to intercept document lifecycle events, enforce custom access control policies, and integrate external services.

Tiptap is a headless rich text editor framework and extensible WYSIWYG framework designed for building custom text editors. It functions as a high-level wrapper around the ProseMirror toolkit, separating core editing logic and state management from the user interface. The framework enables real-time collaborative editing through a synchronization system using conflict-free replicated data types. It also supports the integration of AI content generation to provide automated suggestions and content refinement directly within the editor. The system utilizes a plugin-based extension architecture

OfficeCLI is a headless office suite and automation tool designed for programmatically reading, editing, and generating Microsoft Office documents. It functions as an OOXML manipulation library and a document templating engine, providing a standalone binary that allows for the management of Word, Excel, and PowerPoint files without requiring a local installation of office software. The project distinguishes itself by exposing document operations as tools for AI agents via a JSON-RPC server and the Model Context Protocol. It enables advanced customization through raw XML manipulation using XPa

PraisonAI is an autonomous AI agent platform that coordinates multiple LLM-powered agents for research, planning, and execution of complex workflows. It functions as a multi-agent orchestration framework, a workflow builder, and a Model Context Protocol server, while also providing retrieval-augmented generation through vector knowledge bases. Agents can interact via CLI, web, or standardized protocols with sandboxed code execution. The platform distinguishes itself with a rich set of agent communication protocols, including A2A, REST, WebSocket, voice and telephony integration, and MCP, allo

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

React Email Editor is a drag-and-drop visual builder for creating responsive email templates, built as a React embeddable component. It also serves as an AI-powered email designer, a collaborative email design tool, and a React component library for composing emails programmatically with JSX. The editor represents designs as structured JSON and supports multi-format rendering for email clients, web pages, and PDF. What distinguishes this editor is its deep AI integration: users can generate full email templates from natural language, rewrite text with chosen intent, produce multiple text vari

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