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One-click, privacy-first exporter for Claude.ai chats — clean Markdown with artifacts and attachments, ready for Obsidian and RAG.

A curated list of ontology things

✎ Distraction-free notes and writing

Chronicler is a free, offline worldbuilding tool and local wiki for writers, game masters, and tabletop RPG creators. It saves your notes as plain Markdown files on your computer. No sign-up, no subscription, no cloud. Your world stays on your device.

An on-device LLM understands your entire life, then proactively offers to get your work done through computer use.

基于 Karpathy LLM Wiki 理念构建的 SKILL 和 Obsidian 知识库，将碎片信息整理为结构化、互联的知识网络。

Give your AI a real, persistent memory. The open-source system plus templates that turn an Obsidian vault into your AI's working memory. No vector database, just markdown.

The next-generation Integrated Writing Environment: documents, AI and plugins side by side. AI keeps your ink flowing; you hold the pen. Free and open source for macOS, Windows, Linux, iPhone and iPad.

锻造你的知识体系 | 考研·考公·专业课·科研·项目·竞赛通用笔记模板。LaTeX+Typst+Markdown三版本，7步模块化结构，6种场景模板，一键换色，开箱即用。

INCEpTION provides a semantic annotation platform offering intelligent annotation assistance and knowledge management.

Cross-platform full-featured mind mapping and outline app based on electron.

Native WYSIWYG/Rich Text editor for Angular 20+ with Markdown support, custom sanitization, and reactive toolbar

A free, open-source note-taking app that syncs with markdown files in your GitHub repository

Write Resume with Markdown in ATS and Human-friendly format. Free and Open Source, Privacy-friendly, Local-first resume builder. Simple, private, local.

Configurable Generation of Synthetic Schemas and Knowledge Graphs at Your Fingertips

A note-taking chrome extension: taking notes on the web with their context.

Export and convert Google Keep notes dynamically to markdown for Obsidian, Apple Notes, Logseq, Joplin and Notion using the unofficial Keep API. Also, import simple markdown notes back into Google Keep.

📄 Future markdown editor for web browser applications development

Read, write, search, and surgically edit Obsidian vault notes, tags, and frontmatter via MCP. STDIO or Streamable HTTP.

MindOS is a Human-AI Collaborative Mind System, where human thinks and agents act. Globally sync your mind for all agents: transparent, controllable, and evolving symbiotically.

Github markdown previewing straight from your shell.

Markdown editor plugin for WordPress.

Your project is scattered across too many tools. Map the chaos on an infinite canvas where notes, files, TO-DOs (and more!) finally live together.

为 Bilibili、YouTube 及本地视频提供 AI 视频摘要和知识库.AI video summarizer and knowledge base for Bilibili, YouTube and local videos.

A curated list of awesome command-line software for macOS.

Governance standard and reference toolset for LLM-maintained knowledge corpora

Quickly format your notes with ChatGPT in Obsidian

📝 Use VS Code as a reliable note-taking/journal application

A foundational library for Semantic Hypergraphs

A Web Application to Visualize the Org-Roam Database

End-to-end encrypted notes, tasks, files, passwords, journal and bookmarks. Keyed by a 12-word BIP-39 phrase: no email, no password, no account to leak. The full client source for web, desktop and mobile is published, along with the encryption (XChaCha20-Poly1305, HKDF-SHA256, Ed25519) and the threat model, so the privacy claims are falsifiable.

OpenWiki — Mac desktop AI knowledge management tool. Capture clipboard, build personal wiki, get AI insights.

Core Data of HowNet and OpenHowNet Python API

Kition brings Markdown, DataTable, WhiteBoard, a tool-using AI agent, browser research, and visual workflows into one desktop workspace.

A place to record memories, knowledge and ideas | 记录回忆，知识和畅想的地方

🔗 Semantic MediaWiki turns MediaWiki into a knowledge management platform with query and export capabilities

Self-maintaining, Obsidian-compatible knowledge base for pi — turn raw sources into an interlinked wiki that compounds. Native Open Knowledge Format (OKF) v0.2.

A modern, feature-rich, databaseless flat-file wiki platform built with Go.

Open-source, self-hosted GitBook & Confluence alternative: a WYSIWYG editor over Markdown in your own Git repo, with a documentation portal

Turn stateless LLMs into a stateful, compounding AI agent. Local-first persistent memory, quantitative decision screens, and governance harness across Claude Code, Antigravity, Cursor, and VS Code. Own the state. Rent the intelligence.

开源自托管笔记与私有知识库，支持 Markdown/富文本、AI 写作、思维导图、任务管理、全文搜索、多级笔记本和 Docker 一键部署。

A vscode extension to make your vscode become a full-featured WYSIWYG markdown editor

Dynamic (Temporal) Knowledge Graph Completion (Reasoning)

Doca｜开源文档管理与知识库，支持多人协同编辑、在线文档、Markdown、表格、幻灯片、画布和 AI 助手。Self-hosted document management, knowledge base & real-time collaborative editing for individuals and small teams.

End-to-end encrypted visual note-taking tool with deep page navigation.

本地优先的中文内容排版工具：把 Markdown 转成小红书图文卡片、公众号长文和可下载图片，并支持 Obsidian 工作流。

[ACL 2021] Learning Dense Representations of Phrases at Scale; EMNLP'2021: Phrase Retrieval Learns Passage Retrieval, Too https://arxiv.org/abs/2012.12624

Glass Keep is Keep Notes alternative using Glass design. Docker Server, Tauri Clients and PWA

The mighty Tiptap-based rich-text editor that powers Doist products.

A community-driven cross-platform note-taking client.