Comet Backup vs. Borg

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BorgBackup, commonly known as Borg, is an archiver that employs deduplication along with compression and encryption to create an efficient backup storage system. It guarantees secure and authenticated encryption while offering a range of compression techniques like LZ4, zlib, LZMA, and zstd, the latter being included since version 1.1.4. Users are able to mount their backups utilizing FUSE, and the software can be easily installed on various operating systems such as Linux, macOS, and BSD. As a free software project licensed under the BSD license, Borg is backed by a dynamic and active open source community. The software presents optional features for both compression and authenticated encryption, aiming primarily to provide a dependable and secure method for data backup. Its cutting-edge deduplication approach enhances efficiency for daily backups by only saving modifications rather than duplicating entire files. Furthermore, the use of authenticated encryption allows for safe storage of backups on potentially untrusted platforms. The deduplication is achieved through content-defined chunking, which segments files into variable length pieces, archiving only those chunks that are entirely new to the repository, leading to improved storage efficiency. This meticulous process not only conserves space but also ensures that users can reliably safeguard their important data. In conclusion, BorgBackup is recognized as a formidable solution for individuals and organizations aiming to protect their valuable information.