Can anyone recommend backup software that takes less space than the original files?

This page summarizes the projects mentioned and recommended in the original post on /r/DataHoarder

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  • kopia

    Cross-platform backup tool for Windows, macOS & Linux with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication. CLI and GUI included.

  • Besides of compression, nowadays a good backup software provides deduplication that greatly reduce backup space. Anyone of following will do that for you plus and addition to compression, deduplication those will encrypt backup, so you can safely push it to a cloud: - kopia - restic - borg

  • BorgBackup

    Deduplicating archiver with compression and authenticated encryption.

  • Besides of compression, nowadays a good backup software provides deduplication that greatly reduce backup space. Anyone of following will do that for you plus and addition to compression, deduplication those will encrypt backup, so you can safely push it to a cloud: - kopia - restic - borg

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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  • restic

    Fast, secure, efficient backup program

  • Besides of compression, nowadays a good backup software provides deduplication that greatly reduce backup space. Anyone of following will do that for you plus and addition to compression, deduplication those will encrypt backup, so you can safely push it to a cloud: - kopia - restic - borg

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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