Open-source alternatives to Hypothesis H

Shiori is a self-hosted bookmark manager and webpage archiving tool. Written in Go, it functions as a backend service that allows users to save, organize, and search for web links while maintaining a private collection of online resources. The system ensures content availability by creating offline copies of saved pages, preventing data loss if the original source is removed. It is distributed as a containerized application to provide consistent installation and deployment across different operating systems. The software provides a dual-interface access model, featuring both a web-based mana

Bookmark manager for the wizards 🧙

Kobo database backup and parser: extracts notes, highlights, reading progress and more

A tool for exporting Telegram group chats into static websites like mailing list archives.

Omnivore is an open-source, self-hostable read-it-later application designed to centralize web articles, newsletters, and digital documents into a personal library. It functions as a comprehensive content archiver that captures web pages and stores them locally, ensuring permanent access and readability regardless of internet connectivity. The platform distinguishes itself through an event-sourced synchronization engine that maintains a consistent state across multiple devices by replaying user actions. It utilizes a headless web scraping service to extract clean text and metadata from raw we

Outline is a full-stack server-side web application designed as a centralized platform for collaborative knowledge management. It provides teams with the infrastructure to create, organize, and share structured documentation through real-time editing tools, while supporting high availability and horizontal scalability in production environments. The platform distinguishes itself through a comprehensive suite of operational and development tools. It includes a command-line interface for managing database schema versioning and structural consistency across deployments, alongside an integrated t

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-b

linkding is a self-hosted bookmark manager designed for saving, organizing, and retrieving web links. It functions as a centralized, private repository for personal link collections, featuring multi-user support and authentication to manage access and shared bookmarks. The project distinguishes itself through a webpage archive tool that prevents link rot by saving local HTML snapshots of bookmarked sites. It includes a programmable API for integrating third-party scripts and external applications, as well as a Netscape HTML importer to migrate bookmark libraries from other services. The syst

DokuWiki is an open-source wiki engine and collaborative knowledge base designed for creating and organizing documentation through a web-based multi-user editing system. It operates as a flat-file wiki, storing pages as plain text files rather than utilizing a relational database. The software provides a shared workspace for collaborative knowledge management, facilitating the creation of internal company wikis, project documentation workflows, and shared documentation hosting. The system implements a namespace-based directory hierarchy and access control lists to manage user permissions. It

Wallabag is a self-hosted, open-source bookmark manager designed to archive web content for later reading. It functions as a personal knowledge management tool, allowing users to collect, store, and organize web pages into a centralized, searchable library. The platform provides a distraction-free reading experience by extracting the primary text and images from web pages while removing advertisements and navigation menus. This process ensures that saved articles remain accessible for offline reading, preserving the content even if the original source is removed from the internet. The system

MediaWiki is an open-source wiki engine that serves as a collaborative content platform with full versioning, multilingual publishing, and extensibility. It is fundamentally a web-based system that enables multiple users to create, edit, and organize content together, while tracking every change through revision history for rollback. As an extensible web application and versioned content management system, MediaWiki provides the foundational capabilities for hosting wikis at any scale, from small team documentation to the world's largest collaborative reference sites. The platform distinguish

BookStack is a self-hosted knowledge base platform designed for organizing, storing, and managing structured documentation. It utilizes a hierarchical content model that arranges information into nested trees of books, chapters, and pages, supported by a dedicated search index for rapid retrieval across the entire knowledge base. The platform distinguishes itself through deep integration with enterprise identity providers, allowing organizations to centralize authentication and access control via LDAP, SAML, or OIDC. It provides extensive administrative control over the content lifecycle, inc