A lot of the Software listed is just stuff the has a new name or merged into another piece of software now too.

iTunes -> Apple Music

Apple TV Remote App -> Apple TV Remote in Control Center

Dashboard -> Desktop Widgets

Find My Friends -> Find My

iPhoto -> Photos

Game Center app -> Games/Apple Arcade

Newsstand -> Apple News

iChat -> iMessage

Final Cut Studio/Server -> Final Cut Pro

AppleTalk -> AirDrop

as just a few examples.