Privacy Policy

1. ZERO TELEMETRY

No Data Collection or Analytics

DEER collects no personal data, telemetry metrics, or tracking information. All flowchart calculations, math expressions, and spatial charts are executed 100% locally on your device.

2. LOCAL FILE STORAGE

Offline Diagram Files

All .dfpp and .fpp flowchart files reside strictly on your local disk. DEER performs zero external server communications or network requests.

3. OPEN SOURCE

Auditable Codebase

DEER is released under the open-source Apache 2.0 license. You can inspect the full Rust codebase on GitHub to verify our offline privacy commitments.