# SUP - Signal Unified Push Copyright (c) 2026 LoneCloud This product includes software developed by Philipp C. Heckel (ntfy) Licensed under the Apache License 2.0 The Android application (android/) contains modified code from: ntfy-android (https://github.com/binwiederhier/ntfy-android) Copyright (c) 2021-2024 Philipp C. Heckel Licensed under Apache License 2.0 Major modifications: - Completely replaced HTTP/WebSocket polling with Signal-based push delivery - Removed all user authentication, attachment downloads, and action buttons - Removed Firebase, certificate pinning, and instant delivery features - Simplified database schema (removed 4 tables, 17 fields) - Removed ~1000+ lines of code for unused features - Changed theme and branding - Designed for privacy-focused, self-hosted personal use only The original ntfy-android license is included below: ================================================================================ Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION [Full Apache 2.0 license text would go here] ================================================================================