Open Source OneNote Alternatives
Organize notes without Microsoft accounts. Open source OneNote alternatives for note-taking, notebooks, and knowledge management you fully own.
OneNote is a powerful digital note-taking tool integrated within the Microsoft ecosystem. It excels at freeform note creation, allowing users to easily incorporate text, images, audio recordings, and even web clippings. Many find its organization features – notebooks, sections, and pages – helpful for managing complex information, making it a popular choice for students, professionals, and researchers. However, its tight integration with Microsoft services can be a drawback for those preferring platform independence or seeking more open source options.
The need for OneNote alternatives often stems from a desire for greater control over data and privacy. While Microsoft offers robust features, concerns about data ownership and potential tracking can lead users to explore self-hosted or community-driven solutions. Collaboration features are a key aspect of OneNote, but some users may prefer alternatives with different approaches to sharing and permissions. Furthermore, the dependence on a Microsoft account can be limiting for users who prefer not to rely on a single vendor.
The specific features driving the search for alternatives often include cross-platform compatibility, offline access, markdown support, and robust syncing capabilities. Users also look for alternatives that offer enhanced security features or more flexible organizational structures than what OneNote provides. Finally, some users may desire the customizability and extensibility offered by open source solutions.
Open Source Alternatives
memos
Note Taking
Open-source, self-hosted note-taking built for quick capture — Markdown-native, lightweight, and fully yours.
memos
MITJoplin
Note Taking
The privacy-first, open-source note-taking app with end-to-end encrypted sync, AI assistance, and a powerful plugin ecosystem across every platform.
Joplin
OtherNotesnook
Note Taking · File Storage · Security
End-to-end encrypted, open-source note-taking where your data stays yours — even from the server.
Notesnook
GPL 3.0NoteGen
Note Taking · Knowledge Management · AI Assistants
Capture anything first, then let AI transform your scattered records into polished, structured Markdown notes with RAG-powered knowledge retrieval.
NoteGen
GPL 3.0Blinko
Knowledge Management · Note Taking
A self-hosted, AI-powered card note-taking tool that lets you capture fleeting thoughts instantly and retrieve them with natural language search.
Blinko
GPL 3.0Standard Notes
Note Taking
End-to-end encrypted notes and files — private by design, built to last, and fully self-hostable.
Standard Notes
AGPL 3.0flatnotes
Note Taking · Knowledge Management
Self-hosted, database-free note-taking with plain Markdown files, full-text search, wikilinks, and zero proprietary lock-in.
flatnotes
MITNoteDiscovery
Note Taking · Knowledge Management · Productivity
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.
NoteDiscovery
MITLokus
Note Taking · Knowledge Management
Local-first note-taking with graph view, canvas & AI plugins—your Markdown files, zero telemetry, blazing-fast Rust performance.
Lokus
OtherOwlistic
Note Taking · Productivity
Self-hosted, open-source real-time note-taking and task management with WYSIWYG editing, live sync, and role-based access control.