UI Garage - Specific mobile and web design patterns for your inspiration
Symantec Endpoint Protection Mobile - Protect your business from malicious mobile attacks on modern operating systems such as Android and iOS.
Muzli - UI/UX and Design Inspiration Chrome Extension
CopperheadOS - Secure Android built for encrypted and secure phones by a privacy focused company. Available as security-centric and privacy focused Google-free Android for the latest devices. Fully integrated with the latest IDS and MDM enterprise technologies.
Design Hunt - Curated design inspiration for everyone
LineageOS - Operating system for smartphones and tablet computers, based on the Android