Avernus Secure Notes

Sticky Notes. Ironclad Security.

Avernus Notes is the fastest way to keep an encrypted thought visible on your desktop without ever worrying about what's on your screen. Lock it the moment you tab away. Wipe the clipboard when you copy. Never leave a trace.

Python PySide6 Cryptography

Features

AES-256 encrypted sticky notes
Instant auto-lock on inactivity or window blur
Clipboard auto-wipe protection
Always-on-top secure notes mode
Minimalist hacker-grade UI

Who this is for

GOOD FIT

You want encryption that works without a cloud account
You operate in air-gapped or restricted network environments
You need a one-time purchase with no recurring cost
You want to verify the cryptographic primitives before trusting them

NOT A FIT

You need cross-device sync via a cloud vault
You're looking for a mobile (iOS/Android) application
You need team/shared access to the same encrypted file
You're on macOS or Linux (Windows 10/11 only currently)

System Requirements

Windows 10/11, 64-bit

Security Guarantees

Offline-First

No internet required for activation or use. Your data never leaves your machine.

AES-256 Encryption

Industry-standard encryption for all data at rest. No plaintext storage, ever.

HWID Binding

Licenses are bound to your hardware fingerprint, preventing unauthorized redistribution.

No Telemetry

No analytics, no crash reporting, no usage tracking. Zero data collection.

$15.99

1-Year Validity license · one-time payment

Immediate access after purchase
Works 100% offline, no account needed
Free updates within the major version

Buy Now — $15.99

Secure checkout via Gumroad · Instant download

Platform Windows 10 / 11
Version 1.0.0
License 1-Year Validity
Category Security
Type Desktop App

View Source Support on Ko-fi

AES-256 Offline Lifetime

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