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Minarca vs Comet Backup: catalog facts
Minarca	Comet Backup
Free Free and open source with no licensing fees.	Paid Commercial software with a free trial.
Windows, macOS, Linux, Self-hosted, Command line	Windows, macOS, Linux, Self-hosted
Central server with dashboard and problem alerts Multi-tenant accounts with per-user quotas	Covers Windows, Linux, macOS, hypervisors and Microsoft 365 Choice of Comet cloud, any S3 service or your own storage
Requires running your own server File-based only, not full system images	Aimed at businesses and MSPs rather than home users Pricing is not shown on the homepage
Downloadable app, Self-hosted	Downloadable app, Self-hosted, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.