Write in encrypted Markdown.
Plain, portable writing inside encrypted envelopes.
Your notes.
Your device.
Your call.
Keepout keeps your notes wherever you want them to be. Encrypted by default, with connected ideas, local AI, and a deliberate path from draft to Substack.
See Keepout in actionFor Mac, iPhone, and iPad · App Store release in preparationA private place for thinking.
Keepout gives ideas room to become something: a note, a connection, a conversation, or a finished draft.
Follow the thread.
Wiki links, backlinks, semantic search, and a visual knowledge graph.
Ask locally.
Apple Foundation Models and embeddings work on-device when available.
Publish when you choose.
Open a finished draft in Substack only when you ask Keepout to share it.
Local by design.
Useful by choice.
Keepout has no account, cloud sync, analytics, remote prompt processing, or plaintext index. Your vault stays on your device.
Encrypted at rest
Biometric unlock
On-device AI
No tracking
