Open Source Note Taking Apps

Write, draw, and plan in one infinite canvas — the open-source alternative to Notion and Miro that keeps your data yours.

Local-first AI dictation that understands your active app — private, offline, and built for speed.

Anarlog is an open-source, local-first AI meeting notetaker that records, transcribes, and summarizes meetings entirely on your device — no cloud lock-in, no mandatory account, and every note saved as a plain markdown file you own forever.

A local-first, end-to-end encrypted knowledge OS that lets you build notes, tasks, wikis, and entire apps — with your data stored offline and synced peer-to-peer.

A self-hosted, AI-powered card note-taking tool that lets you capture fleeting thoughts instantly and retrieve them with natural language search.

Self-hosted collaborative wiki and knowledge base with real-time editing, diagrams, AI assistance, and enterprise access controls — a modern alternative to Confluence and Notion.

A local-first monorepo led by Whispering, an open-source speech-to-text app, built on an MIT toolkit that turns your data into plain Markdown and SQLite files you own instead of a database you rent.

A private, self-hosted bookmark manager built for large collections—nested tags, PWA support, and zero cloud dependency.

Self-hosted, database-free note-taking with plain Markdown files, full-text search, wikilinks, and zero proprietary lock-in.

The privacy-first, open-source note-taking app with end-to-end encrypted sync, AI assistance, and a powerful plugin ecosystem across every platform.

A local-first, open-source Markdown knowledge workspace for macOS — plain files, personal wiki and Second Brain workflows, AI-assisted diffs, and encrypted sync, built as an Obsidian alternative.

A privacy-first, open-source knowledge graph platform combining Markdown, Org-mode, bidirectional linking, and local-first storage for building your second brain.

Local-first note-taking with graph view, canvas & AI plugins—your Markdown files, zero telemetry, blazing-fast Rust performance.

Visual drag-and-drop markdown editor with GitHub-specific blocks, cloud sync, and offline PWA support

Open-source, self-hosted note-taking built for quick capture — Markdown-native, lightweight, and fully yours.

Capture anything first, then let AI transform your scattered records into polished, structured Markdown notes with RAG-powered knowledge retrieval.

A self-hosted markdown knowledge base with MCP-powered AI integration, graph views, LaTeX math, and built-in drawing — your notes stay on your server, forever.

End-to-end encrypted, open-source note-taking where your data stays yours — even from the server.

Self-hosted read-it-later platform with highlights, newsletters, PDFs, and seamless Obsidian and Logseq integration.

A privacy-first, self-hosted AI research notebook with 18+ model providers, multi-speaker podcast generation, and full REST API—your open-source alternative to Google Notebook LM.

Free, open-source screen recorder with zooms, annotations, and system audio capture

Self-hosted, open-source real-time note-taking and task management with WYSIWYG editing, live sync, and role-based access control.

End-to-end encrypted notes and files — private by design, built to last, and fully self-hostable.

The state-of-the-art memory and context engine for AI agents — ranked #1 on all three major AI memory benchmarks.

A free, open-source, local-first desktop app for managing markdown knowledge bases on macOS, Windows, and Linux — for second brains, company docs, or AI assistant memory and procedures.