I'd say the same about closed source software...

I'm from Argentina, and work here: http://fiqus.com/ We (along with other cooperatives) founded the federation that is mentioned below (http://facttic.org.ar/)

maybe this plugin will be helpful for you: http://www.vim.org/scripts/script.php?script_id=3025 it emulates the "command-t" functionality in textmate, which is pretty similar to sublime's project navigation.