First, the very good news: Version 4.0 of The Ultimate Tape Archive, a compilation of Commodore 64 cassette-based software, has been released, with Internet Archive as the primary download!
https://archive.org/details/Ultimate_Tape_Archive_V4.0
16gb of cassette based software, scans of the cassettes and inlays and instructions.
The even better news: The collection has ALL of them, emulated!
https://archive.org/details/ultimatetapearchive
That's 2000 tapes for you to enjoy.