Wiki GitHub Repositories (2026) · Open Source Tools

A lightweight knowledge base for people and agents, with ultra fast indexing and most precise retrieval.

Framework for AI agents to build and maintain a digital brain through Obsidian wiki | Memory System for Agents

Build your personal knowledge base with Trilium Notes

An open-source, local-first writing workspace where you can write with Claude Code and Codex, drawing on your own sources and past work.

Powerful note-taking without the hassle.

Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.

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

LeafWiki - Self-hosted wiki. Single Go binary, SQLite, Markdown on disk. No external database required.

Wiki.js | Next Generation Open Source Wiki

Free and Open Source Wiki built on top of Frappe

The Unified and Autonomous Development Platform

Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.

The DokuWiki Open Source Wiki Engine

📱The official Wikipedia app for Android!

Bring projects, wikis, and teams together with AI. AppFlowy is the AI collaborative workspace where you achieve more without losing control of your data. The leading open source Notion alternative.

NOW MANAGED ON CODEBERG

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

A simple, Git-powered wiki with a local frontend and support for many kinds of markup and content.

A plain text note-taking assistant

Your space to collaboratively write and organize. Collectives is designed for groups and communities to structure shared knowledge and cultivate trust.