>> As long as it is separate binaries that is usually considered a "mere >> aggregation". >> Even a frontend calling them via the command line is not considered a >> "derived >> work" under the GPL. Which is the case for "intrusive" ways which still >> do >> not >> involve direct linking probably will only be decidable by a judge. > > I have never appreciate the wisdom of this. What it seems to say is: you > can > use [GPL software] as part of your program, but you must do it in a > backward > and inefficient manner. > > Most users will not understand this distinction, Luckily most users don't write and sell programs, either ;-) Greets, Kiste