Discover open-source Notes & Knowledge tools — each one community-curated and honestly ranked so you can find something dependable to build with.
12 open-source tools in this category.
Self-hosted, lightweight note-taking service built for quick capture, with Markdown support.
Privacy-focused, open-source note-taking and to-do app with end-to-end encrypted sync across devices.
Self-hosted personal knowledge management app with block-based editing and Markdown/WYSIWYG support.
Privacy-first, local-first knowledge base for networked notes and outlines over plain Markdown files.
A TypeScript headless CMS and application framework built on Next.js with an admin panel.
Self-hosted, hierarchical note-taking application for building a personal knowledge base.
Spaced-repetition flashcard program for memorizing information over time.
Self-hosted wiki application built on Node.js with Markdown/WYSIWYG editing and Git-backed storage.
Self-hostable app for saving links, notes and images with automatic tagging and full-text search.
Self-hosted collaborative wiki and documentation tool, an open-source alternative to Confluence and Notion.
VS Code extension for personal knowledge management using linked Markdown notes, inspired by Roam Research.
End-to-end encrypted note-taking app, an alternative to Evernote, with cross-device sync.