Celtx 2012 2.9.7 Link
: Discontinued. Official development, support, and distribution ended in 2013. Platform : Originally built for Windows, Linux, and macOS.
: Generally still functional on modern Windows systems, though users may experience glitches due to its age. Celtx 2012 2.9.7
Celtx 2.9.7 was a comprehensive pre-production suite, not just a script editor. : Discontinued