v2.1.4

Frostmere

Manage long-term archives across S3 Glacier, Backblaze B2, and local tape. Content-addressed with chunk-level dedup and compression.

go install frostmere.icu/cmd/frostmere@latest
frostmere archive ./photos --dest b2://mybucket/photos --compress zstd

What it does

Chunk-level deduplication (CDC)

 

zstd and lz4 compression with per-file policy

 

Multi-backend (B2, S3 Glacier, local)

 

Recent posts

Frostmere 2.1: multi-backend and chunk-level dedup

2026-04-20

Why content-addressed storage changed how I think about backups

2026-02-09