CD or floppy boot/rescue/backup/maintenance system. It has support for a lot of filesystem types (Reiserfs, Reiser4, ext2/3, iso9660, UDF, XFS, JFS, UFS, HPFS, HFS, MINIX, MS DOS, NTFS, and VFAT) and contains a bunch of utilities for system recovery.
lets you easily share a single mouse and keyboard between multiple computers with different operating systems, each with its own display, without special hardware. It's intended for users with multiple computers on their desk.
powerful x86 virtualization (similar to VMWare) runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), Solaris and OpenSolaris, and OpenBSD.
aims to implement functions (not present on Windows 98 / ME) to kernel32.dll and other system libraries so that recent Windows XP applications and games work on Windows 98 / ME. (requires Windows 98 FE or Windows 98 SE or Windows ME)