Spray is a build tool helping you in configuring, building and installing your project It is similar in purpose to the autotools or CMake but created following the spirit of SCons and waf using the Python programming language.
"PownceFS is a Fuse filesystem that mounts your friends’ files from Pownce as a local filesystem. Given a mountpoint, it fakes a directory for each of your friends and puts all the files they’ve uploaded inside. "