Restic Vs Kopia Vs Borgbackup

Quick Verdict Restic is the best choice for most people — broad cloud backend support, strong deduplication, and the largest community. BorgBackup wins if storage efficiency is your top priority (best-in-class compression). Kopia is the best pick if you want a web UI or need a centralized repository server. Overview All three are open-source, deduplicated, encrypted backup tools. They solve the same core problem — creating reliable, space-efficient backups — but differ in philosophy, features, and ecosystem. Aspect Restic Kopia BorgBackup Language Go Go Python + C First release 2015 2019 2015 (forked from Attic) License BSD-2 Apache-2.0 BSD-3 GitHub stars 27,000+ 8,500+ 11,500+ Approach Cloud-first, multi-backend Modern, UI-enabled Compression-first, SSH-focused Feature Comparison Feature Restic Kopia BorgBackup Deduplication Content-defined chunking Content-defined chunking Content-defined chunking Compression zstd (v0.16+) zstd, gzip, s2 zstd, lz4, zlib, lzma Encryption AES-256 in CT