Every subject a book, every note a page.
A notebook for class notes that lives on a library shelf. No account required; everything runs on your device. Subjects become book spines, and each spine grows thicker as you add pages.
Open the web app · Download the latest release
| Desktop library | Android library |
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| Desktop note editor | Mobile note editor |
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| Platform | File | Notes |
|---|---|---|
| Windows 10+ | MyLibrary-0.1.0-portable.exe | Portable; unsigned |
| macOS 13+ | MyLibrary-0.1.0-mac-universal.dmg | Intel + Apple Silicon; not notarized |
| Android 7+ | MyLibrary-0.1.0-debug.apk | Debug-signed; sideload only |
| Web | Open in browser | No install required |
All releases, checksums and release notes: Releases.
- Download and run the
.exe. - If SmartScreen appears, choose More info → Run anyway.
- No installer is needed; move the file anywhere you like.
- Open the
.dmg. - Drag My Library into the Applications folder.
- On first launch, right-click the app → Open.
The macOS build is ad-hoc signed but not notarized by Apple. If Gatekeeper still blocks it, run:
xattr -cr "/Applications/My Library.app"- Download the
.apk. - Allow installing from unknown sources on your phone.
- Open the APK and install.
The APK is debug-signed and intended for local sideloading, not Google Play. If you see “App not installed”, uninstall any older copy and try again.
Open my-library-pi-one.vercel.app. No installation or account required.
- New notebook: the + button in the header, or + New book on the shelf.
- Write a note: click or tap a book to open its cover. Use the arrows to turn pages.
- Autosave: notes are saved as you type; there is no separate save button.
- Search: the magnifier searches notebook names, note titles and content.
- Theme: switch between light and dark with the sun/moon button.
- Paper: choose lined, grid, dotted or plain paper.
- Book spines: notebooks get thicker as they gain pages.
- No account, subscription or server.
- Notes are stored locally on your device; the desktop and Android apps work offline.
- The browser, Windows/macOS and Android libraries are separate. They do not sync automatically.
- Clearing browser or app data deletes your notes. There is currently no automatic cloud backup.
- Windows warning: SmartScreen → More info → Run anyway.
- macOS says the app is damaged: right-click → Open; if needed, run the
xattrcommand above. - Android won't install: remove any older copy; it may have been signed with a different key.
- Notes disappeared: browser or app data may have been cleared; My Library stores notes locally.
Running from source, build commands, architecture and folder layout: DEVELOPMENT.md.