Kopia
Cross-platform backup tool with encryption, deduplication and a web UI.
- Backup
- Go
- Apache-2.0
- Docker
- Actively maintained
GitHub stats
- GitHub stars
- 14,265
- Forks
- 745
- Open issues
- 770
- Commits, last 12 months
- 442
- Last commit
- Oct 5, 2026
- Latest release
- v0.23.1Jun 16, 2026
- Created
- Dec 19, 2015
Data from the GitHub API, refreshed daily.
About Kopia
Cross-platform backup tool with encryption, deduplication and a web UI. Kopia is open source under the Apache-2.0 license and written mainly in Go, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 14,265 stars and 745 forks on GitHub, with 442 commits over the last year. It ships a Docker image, which makes it a good fit for a small VPS or a home server running Docker Compose.
Topics
- deduplication
- backup
- google-cloud-storage
- encryption
- cloud
Repository preview
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What is Kopia?
Kopia is a free, open-source app you can host on your own server, listed in our Backup category. Cross-platform backup tool with encryption, deduplication and a web UI. The source code lives at github.com/kopia/kopia, where it has 14,265 stars.
Is Kopia free and open source?
Yes. Kopia is open-source software released under the Apache-2.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Kopia with Docker?
Yes. Kopia provides a Docker image, so you can run it on any Linux server with Docker and Docker Compose installed. The project README lists the image name and the environment variables to set.
What are the best alternatives to Kopia?
Popular open-source alternatives to Kopia include restic, Duplicati and BorgBackup.
Is Kopia actively maintained?
The most recent commit to Kopia was on Oct 5, 2026 with 442 commits in the past twelve months. The latest release is v0.23.1, published Jun 16, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.