What is "pitivi"

Pitivi (originally called PiTiVi) is an open source, non-linear video editor for Linux developed by various contributors, with support also available from Collabora. It is licensed under the terms of the GNU Lesser General Public License. Pitivi is designed to be intuitive video editing software that integrates well in the GNOME desktop environment. It aims to be "a powerful, flexible video editor that can appeal to prosumers and professionals."