Most Linux developers I have encountered, use all their software for
free.
As a computer professional, I install the RedHat 7.2 or 7.3 Linux
operating system and utilities onto a customer's computer(s) free of
charge anyway.
May I charge for software that I develop using C++ or Python and Qt/X11
Free Edition?
May I make customers pay fair price for transfer/license of the computer
professional's intellectual property, personal labor and operational
costs incurred (salaries, rents, electricity, air-conditioning, etc.)
not to mention profits/margins.
Does developing software using a Free or Open Source software
development environment, prevent/preclude me from
legally selling (charging for), application programs and reusable
components developed by me, without giving away the source code?
What is our position with: copyleft, Free/Open Source, etc.?
Ram