zpaq ☆
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Description:
Incremental, journaling command-line archiver
Type: Formula  |  Latest Version: 7.15@1  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: backup archiving deduplication compression cli
Install: brew install zpaq
About:
Zpaq is a journaling archiver that provides incremental, deduplicated, and compressed backups. It uses a content-aware chunking algorithm to store only unique data blocks, making subsequent backups extremely fast and space-efficient. The tool supports reversible incremental updates and detailed version history, allowing you to restore from any point in time.
Key Features:
  • Incremental, journaling backups with deduplication
  • Strong compression (LZMA, PPMd, etc.)
  • Reversible updates and multi-version file recovery
  • Platform-neutral format and command-line interface
Use Cases:
  • Daily system backups with minimal storage overhead
  • Long-term archival of project files or documents
  • Efficiently syncing large datasets across machines
Alternatives:
  • restic – Deduplicated, encrypted backups; supports multiple backends (S3, SFTP, etc.)
  • tar – Standard archiver; lacks built-in deduplication and journaling
Version History
Detected Version Rev Change Commit
Sep 11, 2025 7:12pm 7.15 1 VERSION_BUMP 1fc6a5e4
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