It’s much more affordable than Daemon Tools and works without a separate download. PowerISO allows you to mount ISO images directly to a virtual drive. It can process almost all CD/DVD/BD image formats, making it the perfect tool for any digital media workflow. PowerISO is a powerful, versatile CD, DVD, and Blu-ray disc image processing tool which allows you to open, extract, burn, create, edit, compress, encrypt, split, and convert ISO and BIN files, and mount ISO files with an internal virtual drive. CUE (Cue sheets files of APE/FLAC/M4A/TTA/WAV/WV/BIN). A special portable version is available.ImgDrive is freeware, you may use it at no cost.Support multi session disc image (CCD/MDS/NRG).Support up to 7 virtual drives at the same time.Use CD/DVD/BD images directly at 200X speed without the actual CD/DVD/BD.Does not require rebooting after installation.Mount APE, FLAC, M4A, WAV, WavPack, TTA file as AUDIO CD (16-bit/44.1kHz).Runs on 32-bit and 64-bit Windows versions from 2000 to Windows 10.One-click mounting of ISO, CUE, NRG, MDS/MDF, CCD, ISZ images.If you have downloaded an ISO image and want to use it without burning it to a blank disc, ImgDrive is the easiest way to do it. ImgDrive allows users to access their Windows volumes or Disk Image Files through a virtual drive, and mount ISO images.

It is a great free alternative to Daemon Tools.

Daemon tools free alternative