Duplicacy Vs Restic

Quick Verdict Restic is the better choice for most self-hosters. It's free, has a larger community, and its CLI is straightforward. Duplicacy's cross-computer deduplication is genuinely unique and valuable if you back up multiple machines to the same storage — but its web UI costs $20, and the ecosystem is smaller. Pick Restic unless you specifically need multi-machine dedup. Overview Both Restic and Duplicacy are deduplicating backup tools that encrypt data at rest, support a wide range of cloud storage backends, and run well in Docker or directly on a host. They target the same audience: people who want reliable, encrypted, self-managed backups without paying for Backblaze or CrashPlan. Restic (first released 2015) is the community standard. Written in Go, fully open source under BSD-2-Clause, and backed by a large contributor base. It uses content-defined chunking for deduplication and encrypts everything with AES-256. Duplicacy (first released 2016) is also written in Go but splits