2 Best Open Source Comet Backup Alternatives
A curated collection of the 2 best open source and self-hosted alternatives to Comet Backup in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Comet Backup in 2026? The top open-source alternative is Plakar — Backup solution with CLI, API and UI interfaces. Clean defaults, easy deployment. Encrypted, queryable backups with deduplication and compression..
Other highly rated open-source Comet Backup alternatives include Pluton.
Backup solution with CLI, API and UI interfaces. Clean defaults, easy deployment. Encrypted, queryable backups with deduplication and compression.
Backup solution with CLI, API and UI interfaces. Clean defaults, easy deployment. Encrypted, queryable backups with deduplication and compression.
Open-source self-hosted backup with end-to-end encryption
Pluton is a free, open-source backup solution designed to give you full control over your data with end-to-end encryption and automated backups. Deploy it anywhere via Docker or as a standalone executable. - 3-2-1 Backup Strategy Made Simple: Effortlessly implement the 3-2-1 backup strategy with Pluton's backup replication feature, ensuring your data is always protected with multiple copies across different storages. - Automated & Efficient Backups: Set up periodic, incremental backups that only save changes, minimizing storage usage and transfer times. Pluton's scheduler automates the entire process. - Ironclad Encryption & Compression: Your data is encrypted on your device before upload and compressed to save storage space. Pluton uses the robust Restic engine to keep your data private and secure. - Simple, Intuitive Interface: Manage everything from a single, clean interface. Create backup plans, monitor progress, and restore with a few clicks. - Own Your Backup Infrastructure: As a self-hosted, open-source solution, Pluton gives you complete control. Your data never passes through third-party servers. - Connect Any Cloud Storage: Effortlessly connect to over 70 cloud storage providers, including Amazon S3, Backblaze B2, Google Drive, and more. - Real-time Progress Monitoring: Track the progress of your backups in real-time, ensuring you are always aware of the status of your data protection. - Fast & Lightweight: Designed to run on low-resource hardware, including single-board computers, with a minimal memory footprint of just 50MB when idle. - Smart Retention Policies: Automatically manage your storage space by defining flexible rules to keep, prune, and rotate old backup snapshots according to your needs. - Effortless Data Restoration: Restore entire snapshots or select specific files and folders to their original location or a custom path using a simple, guided wizard. - Deploy Anywhere: Host Pluton easily using the provided Docker image or run it as a standalone executable on any major operating system. - In-Depth Logging: Access detailed, real-time logs for every backup and restore job, allowing for easy diagnosis and troubleshooting of any issues. - No Vendor Lock-In: Your data is stored in an open, accessible format. Easily migrate between over 50 cloud providers without being tied to a single ecosystem. - Two-Factor Authentication: Enhance the security of your backups with two-factor authentication (2FA), requiring an additional verification step during login. - Direct Snapshot Downloads: Easily download a complete snapshot of your backup as a TAR file directly from the UI for offline access or archival purposes. - Browse Your Backups: Explore the contents of your backup snapshots directly within the UI, just like a regular file manager, before initiating a restore. - Auto Retry Logic: Automatically retry failed backup jobs according to your configured policies, ensuring your data is protected without manual intervention. - Powerful Automation with Scripts: Execute custom scripts before or after your backup jobs to perform actions like creating a database dump or running system cleanups. - Instant Backup Notifications: Get immediate push notifications or emails if a backup hits a snag. Track backup events via Slack, Discord, Email, or NTFY push notifications. - Self-Hosted: Deploy Pluton anywhere via Docker or as a standalone executable on any major operating system. - Lightweight: Minimal memory footprint of just 50MB when idle, suitable for low-resource hardware. - Open Source: Fully open-source under the AGPL-3.0 license. - Supported Cloud Storage: Connect to over 70 cloud storage providers, including Amazon S3, Backblaze B2, Google Drive, and more.
About Comet Backup
Comet Backup is a comprehensive data protection platform designed for businesses of all sizes. Whether you're managing a few endpoints or thousands, Comet ensures your critical data is securely backed up and easily recoverable.
Key Features of Comet Backup
- Cross-Platform Support: Backup for Windows, macOS, Linux, Hyper-V, Proxmox, VMware, Microsoft 365, and more
- Flexible Storage Options: Comet Storage, third-party cloud storage, or on-premise storage
- Deployment Flexibility: Cloud-hosted or self-hosted management console
- Security & Compliance: Enterprise-grade encryption and compliance features
- Scalability: Designed to handle small teams to large enterprises
- Industry-Specific Solutions: Tailored backup options for education, healthcare, and manufacturing
- MSP-Friendly: Built for managed service providers with multi-tenant capabilities
Tech / Self-Hosting
Comet Backup offers both cloud-hosted and self-hosted deployment options. The self-hosted solution allows businesses to maintain full control over their backup infrastructure while leveraging Comet's powerful backup engine. The platform supports integration with existing storage solutions and provides comprehensive APIs for customization.