Kopia

A fast and secure open-source backup tool with built-in encryption, compression, and deduplication. Kopia provides a web-based UI for managing backup snapshots and policies across multiple storage backends.

What You Can Do After Deployment

1. Visit your domain — Open the Kopia web UI to set up your backup repository
2. Connect a storage backend — Link to cloud storage (S3, GCS, Azure Blob, Backblaze B2) or local/network storage
3. Create backup snapshots — Define directories to back up and take snapshots on demand or on a schedule
4. Set retention policies — Configure how many snapshots to keep daily, weekly, monthly, and yearly
5. Restore files — Browse snapshot contents and restore individual files or entire directories

Key Features

• End-to-end encryption with AES-256 or ChaCha20
• Content-addressable deduplication across all snapshots
• Configurable compression (zstd, pgzip, s2)
• Incremental snapshots with minimal storage overhead
• Support for S3, GCS, Azure Blob, Backblaze B2, SFTP, and local storage
• Policy-based snapshot scheduling and retention
• Web-based management interface
• Cross-platform support (Linux, macOS, Windows)
• Built-in integrity verification and maintenance
• CLI and GUI options for flexible management

License

Apache-2.0 — GitHub