What about free software do you like in the work place? What about non-free software do you not like in the work place? Keep increasing your awareness by resp

What about free software do you like in the work place? What about non-free software do you not like in the work place? Keep increasing your awareness by responding to your answers by asking questions, breaking it down further and further. For example, I patched Squid and Apache on the job, and those are "free" software. Out of everything I've done on the software engineer side, I hated that one the most, because the code bases were difficult to navigate for me at the time.