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Super Grub2 Disk vs rEFInd: catalog facts
Super Grub2 Disk	rEFInd
Free Free to download, with source code published on GitHub.	Free Free and open source; the author accepts donations.
Windows, Linux	Windows, macOS, Linux
Boots Windows, Linux, BSD, DOS and Mac OS X installs with a broken bootloader Small image of about 20 MB for CD or USB	Detects installed operating systems and boot loaders automatically Handles multi-boot setups across Linux, Windows and macOS
Only gets a system booted; repairing GRUB permanently needs another step or Rescatux Releases are infrequent	Only for UEFI systems Recent macOS versions can need workarounds to boot
Downloadable app, Operating system	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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