About NoteDiscovery
NoteDiscovery is a self-hosted note-taking application aimed at people who want full control of their knowledge base. You write, organize, and search notes through a modern web interface, while the notes themselves are plain Markdown files stored on your server. It is released under the MIT license.
The README contrasts it with commercial tools such as Notion, Evernote, and Obsidian Sync, emphasizing no subscription, data kept on your own server, and no lock-in because of plain files. All browser libraries are served locally, so the app and its shared links also work on air-gapped networks, and simple password protection can be turned on for self-hosted deployments.
It is built with Python and FastAPI plus a JavaScript front end and is deployed with Docker. It suits privacy-conscious users, developers who prefer Markdown, knowledge workers building a personal wiki or second brain, and small teams wanting a straightforward self-hosted alternative.
Key features
- Markdown notes stored as plain files
- Fast search and navigation
- Optional password authentication
- Works offline and on air-gapped networks
- Docker deployment
- Built on FastAPI and Python
Good fit for
- →Personal second brain on your own server
- →Replacing Evernote or Notion for private notes
- Tags
- note-taking
- markdown
- knowledge-base
- self-hosted
- fastapi
- docker
- second-brain
- privacy
NoteDiscovery: questions and answers
- What is NoteDiscovery used for?
- NoteDiscovery is a lightweight self-hosted note-taking app that stores Markdown files on your own server, with search, optional password protection, and Docker deployment. It is a good fit for personal second brain on your own server and replacing Evernote or Notion for private notes.
- Is NoteDiscovery open source?
- Yes. NoteDiscovery is open source under the MIT licence. Its source code is on GitHub at gamosoft/NoteDiscovery and is written mainly in JavaScript.
- Is NoteDiscovery free?
- Yes. NoteDiscovery is open source, so the software itself is free to use.
- Can I self-host NoteDiscovery?
- Yes. NoteDiscovery can be self-hosted on your own server or infrastructure; there is no official hosted version.
- What is NoteDiscovery an alternative to?
- NoteDiscovery is an open-source alternative to Notion, Evernote and Obsidian. Other open-source alternatives to Notion include Trilium Notes, SiYuan and Poznote.
- Is NoteDiscovery actively maintained?
- Yes. The most recent commit to NoteDiscovery was on 1 October 2026, and the latest release is v0.31.7, published on 28 September 2026. The project has 2.8k stars on GitHub.
Open-source alternatives to NoteDiscovery
See all
Trilium Notes
Note Taking
Trilium Notes is an open-source note-taking and personal knowledge base app that runs loca
AGPL-3.0vs Evernote★ 38k
SiYuan
Note Taking
思源笔记 - 隐私优先的个人知识管理系统,支持 Markdown 排版、块级引用和双向链接
AGPL-3.0vs Notion★ 47k
Poznote
Note Taking
Powerful note-taking without the hassle.
MITvs Notion★ 891
Anytype
Note Taking
Official Anytype client for MacOS, Linux, and Windows
OSSvs Notion★ 8.9k
Alexandrie
Note Taking
📚 The open-source, offline-first Notion, Obsidian & Confluence alternative. Advanced Mark
MITvs Notion★ 2.8k
Nowen Note
Note Taking
开源自托管笔记与私有知识库,支持 Markdown/富文本、AI 写作、思维导图、任务管理、全文搜索、多级笔记本和 Docker 一键部署。
GPL-3.0vs Notion★ 545
SaaS alternatives to NoteDiscovery
See all
Notion
Note Taking
Notion is an AI-enabled workspace for notes, docs, wikis and projects, with agents, meeting notes and search across connected apps.
SaaS
Evernote
Note Taking
Evernote is a note-taking app for capturing notes, documents and web clippings and keeping them organized and searchable across devices.
SaaS
Obsidian
Note Taking
Obsidian is a free, flexible note-taking app for private notes, with plugins, linked notes and optional paid Sync and Publish services.
SaaS
Inkdrop
Note Taking
Markdown note app with a plugin ecosystem aimed at developers
SaaS
Supernotes
Note Taking
Card-based note app with real-time collaboration
SaaS
Agenda
Note Taking
Date-focused notes app that links notes to calendar events and projects
SaaS

