1. 2013-09-20 [1] [Nix-dev] FW: nix expression for qt5 nix-dev 2. 2013-05-15 [1] App installer design: only source packages or reprodu ubuntu-de 3. 2013-05-08 [1] App installer design: click packages ubuntu-de 4. 2012-12-21 [2] [Nix-dev] nix expression for qt5 nix-dev 5. 2011-04-11 [1] a bit of history, data security and synchronization kde-activ