Complex sentence: Flux software is developed by Tony Parisi, that was too main developer of experimental Labyrinth, and retail Intervista WorldView, that is by default available on Windows 2000 and Office 2000 CD's.
Split into simpler sentences: Flux software is developed by Tony Parisi, that was too main developer of experimental Labyrinth, and retail Intervista WorldView. WorldView is by default available on Windows 2000 and Office 2000 CD's.