# Kopia

> Kopia is a free, open-source app you can self-host in the backup category. Cross-platform backup tool with encryption, deduplication and a web UI. It has 14,265 GitHub stars, is released under the Apache-2.0 license and ships a Docker image.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/kopia/kopia |
| Website | https://kopia.io/ |
| GitHub stars | 14,265 |
| Forks | 745 |
| Open issues | 770 |
| License | Apache-2.0 |
| License type | Open source |
| Language | Go |
| Docker image | Yes |
| Platforms | Go, Docker |
| Categories | Backup |
| Commits, last 12 months | 442 |
| Last commit | Oct 5, 2026 |
| Latest release | v0.23.1 (Jun 16, 2026) |
| Created | Dec 19, 2015 |
| Maintenance | Actively maintained |
| Archived | No |

Topics: deduplication, backup, google-cloud-storage, encryption, cloud

## Install

Kopia ships a Docker image; follow the README at https://github.com/kopia/kopia for the image name and environment variables.

Need it installed for you? [appsgit installation help](https://appsgit.com/services/install): a fixed quote by email, single app installs from $79.

## Similar apps in Backup

- [restic](https://appsgit.com/apps/restic): Fast, secure and efficient backup program with encryption and deduplication. (36,436 stars, BSD-2-Clause, Go)
- [Duplicati](https://appsgit.com/apps/duplicati): Free backup software that stores encrypted, incremental backups on cloud storage and servers. (15,062 stars, MIT, C#, Docker)
- [BorgBackup](https://appsgit.com/apps/borgbackup): Deduplicating backup program with compression and authenticated encryption. (13,811 stars, BSD-3-Clause, Python)
- [Backrest](https://appsgit.com/apps/backrest): Web UI and orchestrator for restic backups. (7,468 stars, GPL-3.0, TypeScript, Docker)

## Articles

- [How to start self-hosting in 2026: a beginner's roadmap (hardware, Docker, reverse proxy, backups)](https://appsgit.com/blog/how-to-start-self-hosting): How to start self-hosting in 2026: pick hardware or a VPS, install Docker, add a reverse proxy with HTTPS, reach it remotely and back it up, step by step.

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Canonical page: https://appsgit.com/apps/kopia
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Machine access: JSON API https://appsgit.com/api/v1/apps (OpenAPI: https://appsgit.com/openapi.json), MCP server https://mcp.appsgit.com/mcp, full index https://appsgit.com/llms-full.txt.