Notable
Notes & Knowledge BaseMarkdown-based note-taking app for plain files
Replaces Evernote, Notion
Best No-Database Notes & Knowledge Base for self-hosting
The 17 best No-Database notes & knowledge base you can self-host, ranked by community traction.
Foam
Notes & Knowledge BasePersonal knowledge management on top of VS Code
Replaces Roam Research, Obsidian
Zettlr
Notes & Knowledge BaseMarkdown editor for writers, researchers, and Zettelkasten users
Replaces Notion, Obsidian
VNote
Notes & Knowledge BaseMarkdown note-taking application built for programmers
Replaces Evernote, OneNote
Laverna
Notes & Knowledge BaseMarkdown note-taking app with client-side encryption
Replaces Evernote, Simplenote
nb Notes
Notes & Knowledge BaseCommand-line note-taking, bookmarking, and archiving tool
Replaces Evernote, Notion
Markor Sync
Notes & Knowledge BasePlain-text and Markdown notes editor for synced folders
Replaces Google Keep, Evernote
org-roam
Notes & Knowledge BasePlain-text personal knowledge management for Emacs
Replaces Roam Research, Obsidian
QOwnNotes
Notes & Knowledge BasePlain-text note taking with Markdown and Nextcloud sync
Replaces Evernote, OneNote
DokuWiki
Notes & Knowledge BaseSimple, file-based wiki without a database
Replaces Confluence
Flatnotes
Notes & Knowledge BaseSelf-hosted, database-less note-taking web app
Replaces Evernote, Simplenote
MindForger
Notes & Knowledge BaseThinking notebook and Markdown knowledge base
Replaces Evernote, OneNote
BatNoter
Notes & Knowledge BaseMarkdown notes web app that stores notes in your Git repo
Replaces Standard Notes, Evernote
Bangle.io
Notes & Knowledge BaseLocal-first Markdown note-taking app that runs in the browser
Replaces Notion, Obsidian
Tangent Notes
Notes & Knowledge BaseLocal-first Markdown note editor with linked notes
Replaces Obsidian, Roam Research
RedNotebook
Notes & Knowledge BaseOpen-source journaling and diary application
Replaces Day One, Journey
MyTetra
Notes & Knowledge BaseSmart manager for hierarchical notes and snippets
Replaces Evernote, OneNote
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Notable | Read-the-docs project | Easy | 256 MB | AGPL-3.0 | 23,490 |
| Foam | Read-the-docs project | Easy | 256 MB | MIT | 17,449 |
| Zettlr | Read-the-docs project | Easy | 256 MB | GPL-3.0 | 13,760 |
| VNote | Read-the-docs project | Easy | 256 MB | MIT | 13,003 |
| Laverna | Read-the-docs project | Easy | 128 MB | MPL-2.0 | 9,166 |
| nb Notes | Read-the-docs project | Easy | 32 MB | AGPL-3.0 | 8,428 |
| Markor Sync | Read-the-docs project | Easy | 64 MB | Apache-2.0 | 6,276 |
| org-roam | Read-the-docs project | Medium | 128 MB | GPL-3.0 | 6,046 |
| QOwnNotes | Read-the-docs project | Easy | 256 MB | GPL-2.0 | 5,898 |
| DokuWiki | Under-an-hour setup | Easy | 128 MB | GPL-2.0 | 4,727 |
Quick picks
- Most adopted: Notable (23,490 GitHub stars).
- Lightest footprint: nb Notes (from 32 MB RAM, against 256 MB for the heaviest here).
- Licensing: 5 of 17 use MIT; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged No-Database within the notes & knowledge base category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.