Mission
Nemosine helps you turn thoughts into decisions. In practice that is two jobs: getting something written down fast enough that you actually write it, and getting it back on the day you have to decide something.
Most notes apps do both of those on someone else's server. Nemosine does both on your device.
Product principles
- Local before network: the app reads and writes a database on your device. The network is optional, not a dependency.
- Encrypt before upload: when sync is on, content is encrypted on your device with a key derived from a password we never receive.
- Capture before structure: you can file a note later, or never.
- Portable by default: everything exports as markdown.
Notes and folders
A note is one piece of writing. Folders hold notes and nest as deep as you want. You do not have to pick a folder before you start typing, and a note can be moved at any point.
Privacy, specifically
Nemosine cannot read your synced notes. Content and attachments are encrypted on your device before upload, and the server holds encrypted rows plus the sync metadata needed to route them — account and device identifiers, row IDs, timestamps, versions and usage counters. Your sync password is separate from your login password, and we never receive it. The full list is in the privacy policy.
Who we build for
People who want a fast private workspace for notes: writing that starts instantly, folders, linked notes, tasks, on-device voice transcription, full use with no connection, encrypted sync, and markdown export.