abandonware
aban·don·ware [ ə-ˈban-dən-ˌwer]
[ə-ˈban-dən-ˌwer]
computing
: software that is no longer sold or supported by its creator
… thousands of private collectors post source code online for so-called abandonware—games that no longer are published or supported by the companies that created them.— Clay Risen
First Known Use of abandonware
2000, in the meaning defined above
History and Etymology for abandonware
Dictionary Entries near abandonware