Self-Hosted Collaborative Document Editors

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 and programmatic field population. The platform covers a broad range of office capabilities, including advanced spreadsheet management with protected cells and filtered views, digital document certification via PDF export and electronic signatures, and tools for professional layout, grammar auditing, and mail merge.

Quill is a JavaScript rich text editor library used to build WYSIWYG web editors. It serves as a modular editor framework for creating browser-based document authoring tools with a customizable interface and document model. The system functions as a modular content editor, providing a plugin system to extend formatting and embedding capabilities. This allows for the development of specialized text editors through custom modules and formatting plugins. The library covers the implementation of visual content creation interfaces that render formatted text and media in real time. Its primary capabilities include rich text editing and the integration of visual authoring tools into web applications.

Docmost is an open-source knowledge management system designed as a collaborative documentation platform for teams. It functions as an enterprise wiki that centralizes organizational information into structured, searchable workspaces, enabling users to create, organize, and share content through a hierarchical system of spaces and pages. The platform distinguishes itself by integrating artificial intelligence directly into the documentation lifecycle. It utilizes vector-based semantic search to allow for natural language queries across stored content and provides AI-assisted tools for drafting, summarizing, and refining documents. To support team workflows, it features a block-based editor for rich text authoring and visual diagramming, paired with real-time collaboration capabilities that synchronize changes across multiple users. The system is built for enterprise environments, offering granular access control, multi-factor authentication, and identity provider integration for centralized user management. It also includes programmatic access through a REST API, allowing for the automation of resource management and integration with external software tools. The platform supports flexible deployment with configurable storage backends and automated security certificate management. It is designed to be self-hosted, providing the necessary infrastructure to manage documentation security and lifecycle workflows within an organization.

Pell is a JavaScript text editor library and browser-based rich text editor. It provides a lightweight WYSIWYG HTML editor for formatting styled text and outputting HTML directly within a web browser. The library is a dependency-free vanilla implementation that uses standard Web APIs. It allows for the definition of custom editor actions and text actions to extend the toolbar and the creation of custom visual themes to modify the editor appearance. The editor covers rich text editing and browser-based text formatting, including the application of bold, italic, headings, and lists. It also supports managing text layout and the insertion of media and links.

This project is a customizable browser text editor and a schema-driven document framework designed for building React-based WYSIWYG content editors. It replaces standard text areas with a system that represents content as a structured data tree rather than flat HTML, allowing for precise manipulation and validation of documents. The framework serves as an extensible content management interface and a TypeScript UI component library. It enables the development of specialized authoring tools through a plugin system and the use of strongly typed building blocks to ensure consistency across document updates. The system covers structured content authoring and the development of rich text workflows. It includes mechanisms for state-based change tracking to support undo operations and real-time synchronization across clients.

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 system covers broad capability areas including rich text editing, web application content creation, and custom editor development. It includes a schema-driven HTML sanitization process to ensure valid output.

wangEditor is a JavaScript-based web rich text editor and WYSIWYG interface used for composing formatted documents directly in a browser. It serves as a client-side editing component for web applications to handle document styling and content manipulation. The editor is built as a plugin-based engine, allowing new features and formatting capabilities to be added through a registration interface. It utilizes a schema-driven approach to validate HTML tags and attributes, ensuring clean and consistent document output. The project provides tooling for content management systems, frontend text input development, and the integration of styled text and document layouts into web projects.

AFFiNE is a collaborative knowledge base and productivity suite designed as a private-first, local-first platform. It provides an integrated workspace that combines structured documents with an infinite digital canvas, allowing users to organize complex information through a block-based model. By prioritizing local data persistence, the platform ensures immediate responsiveness and data sovereignty while maintaining a distributed state for real-time synchronization across multiple devices. The platform distinguishes itself through a canvas-integrated database engine that enables transitions between free-form whiteboarding and structured tabular views. It utilizes conflict-free replicated data types to manage concurrent edits, ensuring consistent collaboration. Users can extend the workspace with modular artificial intelligence integrations, which use natural language prompts to generate, summarize, and transform content into various visual or structured formats. The software is built for self-hosting, allowing teams to maintain full control over their data and infrastructure. It supports container-orchestrated deployment, providing tools for managing private workspaces, authentication, and production-ready environments. The system is designed to be installed and configured on personal or team-managed infrastructure, ensuring that all sensitive information remains within a private, secure, and scalable environment.

Whitebophir is a collaborative whiteboarding application designed for real-time visual collaboration. It enables multiple users to brainstorm and create content together on a shared virtual canvas using freehand sketching, geometric shapes, and text labels. The platform focuses on private workspace management, allowing the creation of restricted boards via unique URLs and token-based access control to manage editing permissions. It integrates real-time state synchronization for drawing updates and a built-in chat system for text communication between collaborators. The workspace includes tools for canvas navigation, stroke customization, and data persistence across sessions. Users can export their visual work as scalable vector graphics or save workspace states to local files. The system includes administrative infrastructure for server performance monitoring, request rate limiting to prevent abuse, and content moderation tools to ban users. The interface supports global use through a multi-language localization system.

This project is an enterprise knowledge platform designed for teams to create, manage, and publish structured documentation. Built on a high-performance runtime, it provides a centralized environment where contributors can author content using markdown, HTML, or a visual editor. The system is engineered to handle collaborative workflows, ensuring that technical and non-technical users alike can maintain documentation with consistent rendering and version control. What distinguishes this platform is its focus on secure, scalable, and synchronized content management. It features granular path-based access controls and pluggable authentication middleware that integrates with enterprise identity providers, social logins, and multi-factor security layers. To ensure data persistence and collaborative safety, the platform supports direct synchronization with version control repositories and automated backups to cloud object storage. The system offers a comprehensive suite of tools for managing organizational knowledge, including multilingual localization, media asset management, and detailed content version history. Administrators can further tailor the platform through custom visual themes, site-wide style injections, and flexible search configurations that support both built-in engines and external indexing services. The architecture is designed to scale across diverse infrastructure, from low-power hardware to high-performance cloud environments.

AppFlowy is a local-first knowledge base and collaborative workspace platform designed for structured information management. It functions as a modular productivity suite where users organize content through a block-based document model, allowing for flexible nesting and granular manipulation of data. The system prioritizes data sovereignty by enabling self-hosted storage, ensuring that sensitive information remains under user control while maintaining offline accessibility. The platform distinguishes itself through a decoupled architecture that separates its high-performance, memory-safe core logic from the user interface. This design supports an event-driven synchronization engine that maintains consistency across local caches and collaborative sessions. Users can extend the system via a modular plugin architecture, which facilitates the integration of external or local intelligence models to automate content creation, summarize datasets, and assist with complex organizational tasks. Beyond its core document capabilities, the platform provides tools for structured data management, including relational tables that allow for the categorization, filtering, and visualization of information. The interface is built on a cross-platform rendering framework to ensure consistent performance across desktop and mobile environments.