Echosync

Echosync is a simple, fast, reliable, and flexible software for differential folder synchronization. It operates in a portable mode, requiring no installation, and can run directly from external media. Synchronization is unidirectional, keeping your source folder safe and unmodified. It saves time by only copying changes made since the last sync and intelligently detects renamed or moved files to avoid unnecessary data transfer. Echosync ensures reliability by using Volume Shadow Copy to access locked files and supports long paths and symbolic links, making it a robust solution for all your backup and sync needs.