EFQRCode vs Proximity Lock

EFQRCode is a lightweight, pure-Swift library for generating pretty QRCode image with input watermark or icon and recognizing QRCode from image, it is based on CoreGraphics, CoreImage and ImageIO. EFQRCode provides you a better way to operate QRCode in your app, it works on iOS, macOS and tvOS, and it is available through CocoaPods, Carthage and Swift Package Manager. 1. Please select a high contrast foreground and background color combinations; 2. You should use magnification instead of size if you want to improve the definition of QRCode image, you can also increase the value of them; 3. Magnification too high／Size too long／Content too much may cause failure; 4. It is recommended to test the QRCode image before put it into use; 5. You can contact me if there is any problem, both Issue and Pull request are welcome. EFQRCode is available under the MIT license, for more information: https://github.com/EFPrefix/EFQRCode

Walk Away. Your Computer Locks Automatically. Ever walked away from your desk at the office or a cafe and realized you left your computer unlocked? Meet Proximity Lock, the invisible bodyguard for your data. Using Bluetooth Low Energy (BLE), this app turns your iPhone into a smart security key. It automatically locks your computer or puts it to sleep the moment you step away, ensuring your private information stays private. Tutorial and download the macOS app here: https://tqtuan1201.github.io/public/apps/proximity/ KEY FEATURES 1. Proximity Auto-Lock • Fully Automatic: No manual input needed. Just carry your phone and walk away; your device locks instantly. • Smart Signal Filter: Advanced algorithms ignore brief signal interference, only locking when you have actually left the area. • Work-Aware: Detects active usage and will not lock your computer while you are typing or presenting. • Multi-Device Support: Pair multiple phones. The computer only locks when all paired devices are out of range. 2. Cafe Mode (Anti-Theft) Stepping away in a public space? Enable Cafe Mode for extra protection: • Siren Alarm: Triggers a loud alarm if someone tries to unplug, close, or move your device. • Instant Alerts: Receive real-time notifications on your phone the second suspicious activity is detected. 3. Remote Control & Monitoring • One-Tap Lock: Secure your computer manually with a single tap from your phone. • Status Monitor: Check battery levels and lock status remotely. • Activity Log: View a detailed timeline of security events and timestamps. WHY CHOOSE PROXIMITY LOCK? • Absolute Privacy: No accounts, no cloud. All connections stay local and encrypted between your devices. • Quick Setup: Pair your devices in seconds using a simple QR code. • Battery Efficient: Optimized for BLE to ensure minimal impact on your phone and computer battery life. REQUIREMENTS • Requires the companion app installed on both your iPhone and your Macbook . • Optimized for macOS.