-CG Collections-

Many of these contain suggestive content, so I've marked any which contain such content with a note

Chino's CG Collection Vol.3 にゃんころ2
(contains some suggestive content)
ISO, Back scan

Archive.org Link

MEGAne DRIVE Tantaka CG Collection
(contains some suggestive content)
ISO, Cover scan

Archive.org Link

WHITE ILLUSION Shana Hinata & Shizuku Futagami CG Collection
(contains some suggestive content & nudity)
ISO, Scans

Archive.org Link

[JOKER TYPE] CG Collection Vol.02 Evolution CD-ROM
ISO, Disc scan


Archive.org Link

R++ Hitohira Fan Book Wallpaper CD-ROM
ISO, Disc Scan


Archive.org Link

Annihilation CG Collection by Torazou
ISO


Archive.org Link

GLASSES Miyabi Kamiyama CG Collection
ISO, cover scan


Archive.org Link

-Other Software-

Can you tell I like CD-ROMS?

美少女 CGテクニックガイド Vol. 2
CG drawing guide. Originally came in a book by the same title.
ISO, Disc scan

Archive.org Link

Abstract & Graphic Backgrounds Volume 1
A CD-ROM stock photo library containing abstract and photographic backgrounds
ISO, scans

Archive.org Link