Which program is the most future proof for cross platform development?

By: sties
Date: Sat-May-27-2017-
I would go with Program that will make your life easier by compiling them to any platform of your chose using just one code that does need to rewritten, such as xojo, B4X, livecode and appaccelaroter
[d] By: pediments
Date: Sat-May-27-2017
What is 1 + 100

Just Updated::