SystemRescueCD:

Key Features:

Includes various file system tools like GParted for partition management.

Supports network access, allowing for remote data recovery or system repair.

Rescatux:

Key Features:

Provides a graphical interface for repairing bootloader issues.

Includes utilities for resetting Windows passwords and rescuing Linux installations.

Knoppix:

Key Features:

Offers a wide range of hardware detection, aiding in diagnosing and fixing hardware$-$related boot problems.

Contains tools for data rescue and system repair, such as TestDisk and PhotoRec.