computer-janitor was originally written Lars Wirzenius <lars@ubuntu.com>.
It was originally packaged as a .deb by Lars Wirzenius <lars@ubuntu.com>

Most of the software:

    Copyright (C) 2008, 2009  Canonical, Ltd.

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, version 3 of the License.
    
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

The icon (in data/cruftremover-256x256.png and data/cruftremover-24x25.png):
    
    Copyright (C) 2008  Marco Rodrigues

    Also licensed under the GPL-3 license.

On a Debian system, you can find a copy of the GPL version 3 in
/usr/share/common-licenses/GPL-3.

The file license-check:

    Copyright (C) 2007, 2008  Lars Wirzenius <liw@liw.fi>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

On a Debian system, you can find a copy of GPL version 2 in
/usr/share/common-licenses/GPL-2.
