You can legally modify the program. You have access to the source code and documentation, so if you have experience or hire someone or ask a contributor, you ca

You can legally modify the program. You have access to the source code and documentation, so if you have experience or hire someone or ask a contributor, you can fix a bug or an annoying feature. An experienced programmer can modify or optimize or strip out the bloat of a program. The reason all of the clouds run on some variation of Linus is more the customization potential than the zero cost. There are free, modifiable versions of all the expensive Adobe software, all of the expensive Office software, etc.