Apps similar to Avira Rescue System include SystemRescue, which is free and open source. Other options are ALT Linux, Ikki Boot, Dr.Web LiveDisk and Kaspersky Rescue Disk. You can choose from more than 10 File Recovery Tools like Avira Rescue System for Linux, Windows and self-hosting.
SystemRescue is a Linux system rescue toolkit available as a bootable medium for administrating or repairing your system and data after a crash.
France
EU
ALT Linux is a set of RPM-based, APT-managed operating systems built on top of the Linux kernel and Sisyphus package repository branches. ALT Linux Rescue is, well, the disaster recovery tool.
Russia
Ikki Boot is a Live DVD/USB multiboot which aims troubleshooting, disk partitioning, rescue, backup and restore data.
FranceEU
FREE emergency system repair from a CD/DVD disk or a bootable USB drive to be used if your Windows system is rendered non-bootable by malware.
Russia
Kaspersky Rescue Disk is a free tool for disinfecting computers from malware which does not allow the operating system to start.
Russia
The primary purpose of Super GRUB2 Disk is to help you boot into an OS whose bootloader is broken. Second, and almost as important, is to be a tool to learn more about GRUB2 and the booting process.
GermanyEU
Boots PCs with startup issues, recovers data from non-bootable drives, fixes over 100 Windows boot problems, resets lost passwords, backs up and clones partitions, restores files from crashed systems or formatted drives, and secures sensitive data.
Hong Kong SAR China
Dual-boot Repair will automatically fix boot environment of systems based on Windows 7, Windows 8 or Vista with Windows XP, Vista or Windows 7/8 as second operating system.
