ImDisk is a virtual disk driver for Windows.

PrimoCache is a supplementary software caching scheme to improve the system performance.

SoftPerfect RAM Disk is a Windows application for creating computer drives entirely stored in memory for better performance and hard disk longevity.

ImDisk Toolkit for Windows lets you mount image files of hard drive, CD-ROM and create RamDisks with various parameters.

RAMDisk is a software that takes a portion of your system memory and uses it as a disk drive.