Free Alternative to Notion

😎 Awesome lists about all kinds of interesting topics

🤯 LobeHub is your Chief Agent Operator, organizing your agents into 7×24 operations by hiring, scheduling, and reporting on your entire AI team.

A collaborative workspace for notes, databases, and tasks

A collaborative workspace for notes, whiteboards, and structured content

Spec-driven development (SDD) for AI coding assistants.

A static site generator for building and maintaining documentation websites

A lightweight self-hosted note-taking and knowledge sharing platform

A curated list of Rust code and resources.

A block-based personal knowledge management and note-taking app

A privacy-first note-taking and knowledge management tool with graph views

A collaborative scratchpad for note-taking with Markdown and version history

Skills for Designers and Engineers.

A modern self-hosted wiki and team knowledge base

A curated list of engineering blogs

A hierarchical note-taking and knowledge management system with rich features

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.

A modern, self-hosted wiki platform with rich editing and integrations

TencentDB Agent Memory is a team-level memory hub for AI Agents — turning conversations, docs, and code into four reusable memory assets (Chat Memory, Skill, LLM-Wiki, Code-Graph) that are governed, shared, and equipped across agents and frameworks.

A self-hosted dashboard for organizing services, links, and status widgets

Specification and documentation for Agent Skills

A static site generator for building documentation with Markdown

A self-hosted documentation platform for collaborative team knowledge bases

Notes of the book System Desgin Interview - An Insider's Guide

LLM Wiki is a cross-platform desktop application that turns your documents into an organized, interlinked knowledge base — automatically. Instead of traditional RAG (retrieve-and-answer from scratch every time), the LLM incrementally builds and maintains a persistent wiki from your sources。

Desktop app to manage markdown knowledge bases

A self-hosted documentation platform with structured content and access controls

A self-hosted personal knowledge base with structured notes and context graphs

A documentation portal with guides, API references, and collaborative content

🪐 Markdown with superpowers: from ideas to papers, presentations, websites, books, and knowledge bases.

Self-organizing AI second brain for Obsidian + Claude Code. Drop any source and Claude reads, links, and files it into one connected knowledge graph of plain Markdown you own. AI note-taking, personal knowledge management (PKM), and an open-source Notion alternative. Based on Karpathy's LLM Wiki pattern.

:memo: Today I Learned

A self-hosted sync server for real-time Obsidian collaboration

👩‍🚒 Good content deserves good paper.

A simple static homepage for organizing links and basic widgets

A plain text note-taking and publishing tool built around Markdown

张雪峰.skill — 张雪峰的认知操作系统。高考志愿/考研/职业规划的实战思维框架。由女娲.skill生成。

Agent workspace built on Cloudflare Workers for creating documents, building apps, and running agents with your company’s context and systems.

A self-hosted dashboard for organizing and accessing your services

A self-contained wiki and personal knowledge base in a single HTML file

A collaborative Markdown editor for real-time writing and documentation

A file-based personal knowledge base and note-taking system

A self-hosted hub for organizing and browsing personal media libraries

MyContext is a local-first desktop app for everyday communication and knowledge work

A self-hosted dashboard for aggregating links, widgets, and service status

Community-curated topic and collection pages on GitHub

OpenKB: Open LLM Knowledge Base