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Free open-source AI image upscaler for desktop
Upscayl is a free, open-source desktop application that uses AI neural networks to enlarge and enhance low-resolution images without quality loss. Built on Real-ESRGAN models with Vulkan GPU acceleration, it supports batch processing, custom AI models, and runs natively on Windows, macOS, and Linux. Upscayl processes images entirely on-device with no cloud uploads, making it ideal for developers and designers who need to upscale assets privately.
Open-source cross-platform file sharing over local network
LocalSend is a free, open-source application for secure peer-to-peer file and message sharing between nearby devices over your local network. It works on Windows, macOS, Linux, Android, iOS, and Fire OS without requiring an internet connection or third-party servers. Each device generates TLS/SSL certificates for encrypted HTTPS communication, making it a privacy-first alternative to AirDrop that works across all operating systems.
