30 open-source projects similar to siyuan-note/siyuan, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
Logseq is a privacy-focused, local-first knowledge base designed for personal information management and networked thought mapping. It functions as a bi-directional graph editor that organizes content into hierarchical, outliner-based structures, allowing users to connect related concepts through automated backlinking and visual relationship mapping. The platform distinguishes itself by maintaining all user data in plain text markdown files stored directly on the local device, ensuring offline availability and long-term portability. It employs a logic-based query engine to perform complex rel
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 b
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 cor
This project is a synchronization plugin that mirrors notes, settings, and vault data across multiple devices. It functions as a self-hosted vault synchronizer, allowing users to maintain a personal knowledge base using a user-owned server. The system utilizes a CouchDB synchronization layer to maintain consistent document states across peers. Security is handled through end-to-end encryption, which encrypts vault content locally before transmission to ensure privacy on remote storage. The replication model supports both self-hosted data replication and peer-to-peer data transfer. It manages
Memos is a self-hosted, container-native knowledge management platform designed for capturing and organizing personal notes. It functions as a private workspace where users can create content using markdown, tags, and media embeds to streamline daily productivity. The system is built to be deployed as a portable service, allowing individuals to maintain full control over their data and hosting environment. Beyond its core note-taking capabilities, the platform operates as a headless content service that exposes a structured RESTful API. This interface allows for programmatic interaction, enab
Athens is no longer maintainted. Athens was an open-source, collaborative knowledge graph, backed by YC W21
Converse.js is an embeddable, self-hosted XMPP chat client that runs entirely in the browser. It communicates with XMPP servers using standard XML stanzas over WebSocket or BOSH transports, and provides end-to-end encryption through the OMEMO protocol with double ratchet algorithm and X3DH key exchange. The client is built on a plugin-based architecture that allows extending core functionality at runtime without modifying the client itself, and uses a DOM-based rendering approach with an event-driven message bus for internal coordination. The client manages message history through XEP-0313 Me
Omni-Notes is a mobile note-taking application and personal knowledge management tool used for creating and organizing text notes, checklists, and sketches. It functions as a multimedia knowledge base that integrates voice input, images, and audio files to maintain a searchable digital archive. The application utilizes a tag-based filtering system to group and search for stored information using metadata and categories. It further extends productivity by providing home and lock screen widgets that expose note snapshots and shortcuts for rapid access. The system supports the creation of struc
Focalboard is a self-hosted project management tool designed for tracking tasks and organizing workflows on private infrastructure or local hardware. It functions as a cross-platform collaboration solution, providing a unified environment for distributed teams to manage data while maintaining full control over security and storage. The platform distinguishes itself by offering both a server-based deployment model and a standalone desktop productivity application. By packaging web-based tools into native shells, it enables reliable offline access and a dedicated workspace for individual users.
This project is a curated collection of deployment files and configurations for hosting a wide variety of open-source services on a home server. It primarily utilizes Docker and Docker Compose to automate the orchestration, lifecycle management, and deployment of containerized applications. The repository provides a comprehensive suite for self-hosted infrastructure, covering network management tools, media streaming, and home automation. It includes specialized configurations for securing internal services via reverse proxies, WireGuard VPN tunnels, and automated SSL/TLS certificate manageme
This project is a community-curated directory of open-source software designed for deployment in private server environments and home labs. It serves as a comprehensive resource for discovering independent, self-hosted alternatives to mainstream cloud services, enabling users to maintain full data ownership and control over their digital infrastructure. The directory is structured through a hierarchical taxonomy that organizes a vast collection of applications into logical categories, ranging from media management and data analytics to private communication and team productivity tools. It dis
This project is an open-source, self-hosted helpdesk system designed to centralize customer support operations. It functions as an omnichannel platform that aggregates inquiries from email, social media, and messaging services into a unified dashboard, while providing a dedicated portal for customers to track requests and access self-service documentation. The system distinguishes itself through deep integration with e-commerce platforms, allowing agents to view customer order history and profile data directly within the ticketing interface. It features a modular architecture that supports cu
Mautic is an open-source marketing automation platform and self-hosted CRM built with PHP. It functions as an audience manager and marketing suite designed for automating lead nurturing, designing customer journeys, and managing multi-channel campaigns on private infrastructure. The system distinguishes itself through a visual workflow engine and campaign builder that model customer journeys via conditional nodes. It incorporates a behavioral tracking engine to monitor website visitor activity, which informs lead engagement scoring to prioritize high-value prospects. The platform covers omni
Baserow is a self-hosted, no-code relational database platform built on PostgreSQL. It provides a spreadsheet-like interface for structuring and managing data without writing code, while exposing all database resources via a REST API to support headless architectures. The platform distinguishes itself by integrating large language models and embedding servers to power AI assistants and automated data generation. It further extends its utility as a no-code application builder, allowing users to create custom internal portals, dashboards, and business tools using visual logic and managed data.
Trilium is a hierarchical personal knowledge base and digital garden tool designed to organize information into a tree of linked nodes. It functions as a JavaScript programmable wiki and a self-hosted note server, allowing users to maintain a private database of documents synchronized across multiple devices. The platform distinguishes itself through an embedded scripting engine for automating tasks and a REST API that exposes internal data and actions to external tools. Users can further extend the system by modifying the user interface layout and styling through a custom theme engine. The
Joplin is an open-source, cross-platform note-taking application designed for secure, private knowledge management. It functions as a local-first productivity platform, maintaining a complete relational database on the user's device to ensure offline availability and high-performance data retrieval. The application prioritizes data sovereignty by implementing an end-to-end encryption layer, which secures all information locally with a master key before any synchronization occurs. The platform distinguishes itself through a delta-based synchronization engine that transmits only specific file c
Whisper Money is an open-source personal finance management platform designed for self-hosted environments. It provides a private, secure infrastructure for tracking income and expenses, consolidating multiple bank accounts, and managing asset portfolios. By prioritizing user data ownership, the platform allows individuals to maintain full control over their financial records while monitoring cash flow and progress toward personal budget goals. The platform distinguishes itself through the integration of artificial intelligence to automate the categorization of transactions and the generation
Snippet-box is a self-hosted web platform designed for the management and organization of personal code collections. It functions as a containerized knowledge base that allows users to store, retrieve, and document reusable code fragments within a centralized system. The application provides tools for snippet management, including the ability to assign custom tags, pin critical items for rapid access, and filter collections by keywords or programming languages. To ensure readability, the platform incorporates syntax highlighting for various programming languages and offers a raw text view for
This project is a self-hosted note-taking platform and collaborative markdown wiki. It functions as a real-time markdown collaborative editor, allowing multiple users to create, organize, and share documents simultaneously. The platform is designed for self-hosted knowledge management and collaborative markdown documentation, providing a private environment for teams to maintain shared technical notes.
Blossom is a self-hosted, containerized note-taking application designed for private knowledge management. It functions as a centralized repository for personal documentation, allowing users to maintain full ownership of their data by hosting the platform on their own server infrastructure. The application centers on a markdown-based productivity workflow that synchronizes plain-text files across multiple devices. By utilizing a local-first state management model, it ensures immediate interaction with files while asynchronously reconciling changes through a private server backend. This approa
This project is a self-hosted documentation platform designed for collaborative knowledge base management. It provides a block-based editor that structures content as a tree of independent nodes, allowing for flexible layout composition and the creation of complex, nested document hierarchies. The platform distinguishes itself through an offline-first architecture that utilizes conflict-free replicated data types to maintain synchronization across multiple clients. This ensures that teams can continue editing content during network disconnections, with all changes merging automatically once c
Trilium is a local-first personal knowledge management system designed to store and organize information on a user's own device. It functions as a hierarchical knowledge base where every note acts as both a standalone document and a container for nested children, allowing for complex information relationships and deep categorization. The platform distinguishes itself through a component-based interface that dynamically renders diverse content types, including rich text, diagrams, and executable scripts. All data is persisted within a single relational database file, which supports a versioned
Khoj is a self-hosted artificial intelligence platform designed for personal knowledge management and semantic information retrieval. It functions as a private assistant that indexes your local documents, notes, and external workspaces, allowing you to interact with your data through natural language queries and conversational chat. By maintaining a local-first architecture, the system ensures that your information remains under your control while providing context-aware responses grounded in your personal knowledge base. The platform distinguishes itself through a modular, cross-platform int
Manta is a local-first financial tracker and PDF invoice generator that utilizes a schema-driven form builder to capture and validate structured user information. It serves as a system for managing billing records and invoice statuses directly on the user device to ensure data privacy and offline access. The project features a drag-and-drop document editor and a PDF template management system, allowing users to arrange fields and apply corporate branding without writing code. These tools enable the creation of professional billing documents by injecting structured data into reusable layout sk
Shaarli is a self-hosted bookmark manager and knowledge base designed for organizing web links and notes in a private, searchable library. It functions as a flat-file content platform, storing information in structured text files rather than requiring an external database management system. The system emphasizes data portability and content distribution, providing tools for archiving bookmarks in portable formats and generating RSS and Atom feeds for digital content syndication. It also includes utilities for removing tracking parameters from URLs and creating public permalinks for curated li
Boostnote is a local-first note management system and markdown text editor designed for personal knowledge management. It functions as a desktop application that reads and writes markdown files directly to the local disk, allowing for the creation of a searchable personal knowledge base and digital garden. The application provides a writing interface that renders markdown syntax in real time. It is used to organize fragmented information, maintain project documentation, and author structured technical guides.
Gollum is a Git-powered wiki engine and content management system that provides a web-based interface for editing and organizing files stored in a Git repository. It functions as a self-hosted documentation tool, using a Git-based storage backend to manage page content and track version history. The system is characterized by a pluggable markup rendering architecture that converts multiple markup languages and specialized notations into HTML. It supports a wide array of rich content, including mathematical typesetting, BibTeX bibliographies, and diagrams rendered via Mermaid. Broad capabilit
CodiMD is a real-time collaborative markdown editor and self-hosted knowledge base. It provides a shared workspace where multiple users can write and format notes using markdown syntax simultaneously. The platform extends basic editing by transforming markdown content into interactive mind maps for data visualization and structured visual slides for presentations. It functions as an OAuth compatible note server, integrating with external identity providers to manage user authentication and access control. The system supports self-hosting and cloud platform deployment, allowing users to maint
Freeplane is a Java-based mind mapping software and knowledge management system used to create hierarchical visual maps and interconnect ideas. It serves as a visual information organizer that transforms text-based notes into navigable spatial maps to facilitate non-linear thinking processes. The application features a swing-based visual canvas for rendering interactive concept maps and complex node-based layouts. It utilizes an XML-based document organizer to serialize map structures and node attributes into hierarchical files for persistent storage. The tool covers several core capability