BorgBackup: Efficient and Secure Deduplicating Archiver

BorgBackup (Borg) is an open-source deduplicating archiver combining compression and authenticated encryption for space-efficient storage and robust security. It supports various compression algorithms (lz4, zstd, zlib, lzma) and offers easy installation across multiple platforms (Linux, macOS, BSD, etc.). Backed by a large and active community, Borg provides mountable backups for convenient access and, crucially, remember to always check your backups!