You might be interested to learn that out of your list (vi, Python, mySQL, Postgres, sed, and awk), only MySQL is released under a free software license (GPL).

You might be interested to learn that out of your list (vi, Python, mySQL, Postgres, sed, and awk), only MySQL is released under a free software license (GPL). The others are released under BSD or BSD-like licenses. > my own integrity requires using some bandwidth expressing disagreement with large chunks of the "open source philosophy". You're looking for the distinction between "free software" and "open source." The FSF is very vocal about the difference, which is great, since it is important. See rms's article at http://www.gnu.org/philosophy/free-software-for-freedom.html http://www.gnu.org/philosophy/free-software-for-freedom.html . "I love open source, but I don't buy into the free software ideology" is totally valid, and apparently a popular position, judging by the choice of licenses in software you listed!