Building: To build everything including the pykolab stuff: # autoreconf -v # ./configure # make If you get "error: possibly undefined macro: AC_PROG_INTLTOOL" on autoreconf you might need to install intltool. For the python tests: # make quicktest Make sure you have "nosetests" for python2 is installed (python2-nose on arch). Otherwise you will get an error that "PyInit__kolabformat" could not be found. For the library only, switch to the c++ directory and read the instructions in there. Branch layout: master The latest and greatest. v. Version branch for the 3.. product series. dev/* Temporary development branches. Versioning: According to http://wiki.kolab.org/KEP:5 .. Where major stands for the major format version. Minor are larger relaese and teeny bugfix releases.