kopia

kopia/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.

13.7K stars 686 forks 13.7K watchers Go Apache License 2.0
backup cloud deduplication encryption google-cloud-storage
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8 Open Issues Need Help Last updated: Jul 19, 2026

Open Issues Need Help

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[Feature] Support input TAR "streams" 27 days ago
enhancement help wanted good first issue keep-open
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage
Improve documentation how to setup and use a kopia server 2 months ago
help wanted good first issue documentation
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage
Implement review suggestion on policy resolution for failed entries 5 months ago
bug help wanted good first issue backlog
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage
Debug logs for concatenation are too long 5 months ago
help wanted good first issue code-quality ux
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage
FR - Native way for kopia to recover from underlying storage running out of space 8 months ago
bug help wanted robustness
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage
Starting kopiaui only prints the version 8 months ago
bug help wanted app htmlui ux needs-repro regression
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage
[Feature] Web Form Authentication 8 months ago
enhancement help wanted good first issue ux keep-open
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage
Support for advanced filesystem features (setuid/setgid/xattrr/hardlinks/sockets, etc) 10 months ago
enhancement help wanted robustness enterprise keep-open
kopia/kopia
13.7K

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.

Go
#backup#cloud#deduplication#encryption#google-cloud-storage