CCraft

SiYuan is an open-source, privacy-first knowledge-management system built around block-level references, two-way links, Markdown WYSIWYG editing, and large documents. Users can create and organize notes, query content with SQL embeds, clip web content, annotate PDFs, and create tables, charts, flowcharts, and other embedded content.

The software includes AI writing and question-and-answer chat through the OpenAI API, templates, flashcards, OCR, export to Markdown, PDF, Word, and HTML, and multi-tab split-screen editing. It is available as desktop and mobile applications and can also be deployed through Docker or Docker Compose, with browser access to a server-hosted workspace.

ZenNotes is a keyboard-first Markdown notes application that stores notes as ordinary files in a user-selected vault. Its documented workflows include quick capture, editing, split and preview modes, Vim navigation, folders, tags, search, archive and trash, tasks, daily and weekly notes, diagrams, mathematical notation, and local asset handling.

The product is distributed as an Electron desktop app for macOS, Windows, and Linux, and also provides a self-hosted web app backed by a Go server. Docker deployment is documented with mounted vault and data directories, local authentication, configurable ports, and browser access on a LAN or home server. A command-line companion and MCP server are included for terminal and tool integrations.

NoteGen is a local-first Markdown application for capturing thoughts, voice recordings, screenshots, images, links, files, and todos before organizing them into structured notes. Users can filter records by tag, time, or type, select related material, apply a template or instruction, and produce summaries, reports, articles, or other Markdown structures for continued editing.

The editor supports visual and source Markdown modes, tables, task lists, code, math, diagrams, search and replace, attachments, export, printing, history, and workspace management. It also provides AI chat and writing assistance, OCR, audio and image capabilities, searchable knowledge bases with semantic and local retrieval, MCP servers, agent tools, and an editable canvas for diagrams, mind maps, timelines, drawings, and charts.

Notes remain ordinary Markdown files in a chosen workspace. The application is local

Alexandrie is an open-source, self-hosted wiki and knowledge-management platform for teams and individuals. Users create and maintain nested documents with an extended Markdown editor supporting LaTeX, custom containers, checkboxes, snippets, speech-to-text, and embedded diagrams. Documents can be organized across teams, workspaces, categories, and hierarchical nodes.

The platform provides full-text search with highlighted results, offline-first PWA access and synchronization, public links, granular workspace and node permissions, integrated Kanban boards, media previews, and ZIP import/export. It supports OIDC single sign-on, automated backup and restore workflows, and S3-compatible storage. Deployment is documented through Docker Compose, with the application available locally at port 8200.

Trilium Notes is a free, open-source, cross-platform hierarchical note-taking application designed for large personal knowledge bases. Users organize rich WYSIWYG notes in arbitrarily deep trees, place notes in multiple locations, edit tables, images, mathematics, and source code, search full text, version notes, and publish notes publicly.

The application also documents note attributes, scripting, REST automation, encryption, synchronization through a self-hosted sync server, relation and link maps, mind maps, geographic maps, Excalidraw-based canvases, web clipping, and Markdown or Evernote import and export. It provides desktop binaries for Windows, macOS, and Linux, a browser-accessible server interface, mobile web access, and Docker-based server installation.

La Suite Docs is an open-source, web-native collaborative editor for teams and organizations. It supports rich-text and Markdown editing, structured documents and subpages, hierarchical knowledge organization, searchable content, comments, sharing, live cursors, presence, and granular access control. Offline editing and document import/export are also documented.

Optional model- and gateway-agnostic AI features can rewrite, summarize, translate, and correct selected text, with a beta AI toolbar and cursor workflow. Docs includes presentation mode, PDF exports, resource-server and server-to-server APIs, and an example for importing Meet transcripts. The complete product can be self-hosted using Kubernetes or Docker Compose, with local development documented through Docker and Docker Compose.

OpenKnowledge is a WYSIWYG markdown and MDX editor for existing folders, wikis, Obsidian vaults, codebases, knowledge bases, specifications, and notes. It provides file navigation, search, tabs, graph-based wiki-link viewing, embeddable HTML, and rich components for reports and technical documents.

The application integrates side-by-side AI editing with Claude, Codex, OpenCode, Pi, and other harnesses, and includes MCP, skills, and agentic search for LLM wikis and knowledge graphs. Optional team sharing and synchronization use Git and GitHub. It is available as desktop software for macOS, Windows, and Linux, or as a locally run web application installed and started through its CLI.

Colanode is an open-source, local-first collaboration workspace for individuals and teams. Users can communicate through real-time chat, create rich-text documents, wikis, and notes, organize information in customizable databases with table, kanban, and calendar views, and store and share files within workspaces.

The client saves changes to a local SQLite database before synchronizing them with a server, supporting offline work and immediate local reads. CRDTs powered by Yjs enable concurrent editing of pages and database records. Colanode provides web and desktop clients, hosted cloud servers, and a self-hosted server deployment model using Docker Compose or Kubernetes, with Postgres, Redis, and configurable file storage backends.

Deta Surf is an open-source AI notebook for collecting files, websites, YouTube videos, PDFs, links, and other media in a local library organized into notebooks. Users can open resources in tabs or split view, work offline with much of the library, and store data in open, transparent formats.

Its Smart Notes workflow supports @-mentions, AI-generated notes, web searches, rich formatting, code blocks, to-do lists, and citations linked to source locations. Surflets can generate interactive applets without writing code. The desktop application runs on macOS, Windows, and Linux, and supports user-provided cloud or local language models, including models accessed through local tooling.

neutriNote is a lightweight Android note-taking application built around UTF-8 plain-text storage and long-term searchability. It supports rich Markdown with LaTeX, text reflow, inter-note linking, offline search and replace, themes, text expansion, diagrams, ASCII art, and customizable writing workflows.

The app can edit notes stored in cloud locations, offers local storage with optional synchronization, and exports notes to PDF or HTML. It also includes Python support, basic Vue.js support, in-note JavaScript evaluation, and integrated utilities such as a dictionary, clipboard viewer, barcode scanner, and ASCII-art tools. The Community Edition is distributed under GPL-3.0 and can be built by importing the project into Android Studio.