Top OBSIDIAN GitHub Repositories & Tools (2026)

An AI second brain that maintains itself. Full guide, starter vault, agent skills and scripts for a self-organizing knowledge base in Claude Code and Obsidian.

Annotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents with one click.

Synthadoc: An open-source LLM knowledge compilation engine that turns raw documents into structured, local-first wikis. A transparent, human-readable alternative to traditional RAG, which can be self-managed and self-improved without the use of any tools.

Compass: run your whole life out of Obsidian. Daily questions, quarterly retreats, planning, habits, tasks, writing, and an AI assistant in the vault.

Writing Buddy — an AI-assisted long-form writing workspace for Obsidian.

AI conversations that actually remember. Never re-explain your project to your AI again. Join our Discord: https://discord.gg/tyvKNccgqN

An Obsidian plugin that formats and styles your notes with a focus on configurability and extensibility.

Adds admonition block-styled content to Obsidian.md

Project management inside Obsidian. Table, Gantt and Kanban over plain Markdown notes, with a local API for agents and scripts.

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

Capture and visualize the data that matters in your life

A native, lightweight macOS markdown editor with inline live preview

PKM Markdown Language Server

Customize attachment location with variables($filename, $data, etc) like Typora.

Collection of essential functions and CLI tools designed to streamline your Obsidian plugin development process

A queryable second brain over your scattered notes and docs - hybrid retrieval (vector + BM25), section-level citations, and an MCP server so AI agents can use it. ~300 lines, no LangChain.

Android companion for Markdown vaults stored on GitHub, with Obsidian rendering, offline reading, conflict-safe editing, and an optional desktop sync helper.

Offline virtual tabletop for Obsidian: battle maps, tokens, fog of war, dice, initiative and a separate player view.

Tatuin (Task Aggregator TUI for N providers)

AI assistant in Telegram that remembers everything and helps you run your life. Self-hosted in one command.