To use Ubuntu packages on your system, add one of the following lines
to your /etc/apt/sources.list or into a new file in your /etc/apt/sources.list.d/

For Trust Tahr

deb https://www.orcaware.com/packages/ubuntu/ trusty/
deb-src https://www.orcaware.com/packages/ubuntu/ trusty/

For Precise Pangolin

deb https://www.orcaware.com/packages/ubuntu/ precise/
deb-src https://www.orcaware.com/packages/ubuntu/ precise/

For Maverick Meerkat

deb https://www.orcaware.com/packages/ubuntu/ maverick/
deb-src https://www.orcaware.com/packages/ubuntu/ maverick/

For Karmic Koala

deb https://www.orcaware.com/packages/ubuntu/ karmic/
deb-src https://www.orcaware.com/packages/ubuntu/ karmic/

For Hardy Hardon

deb https://www.orcaware.com/packages/ubuntu/ hardy/
deb-src https://www.orcaware.com/packages/ubuntu/ hardy/

For Edgy Eft

deb https://www.orcaware.com/packages/ubuntu/ edgy/
deb-src https://www.orcaware.com/packages/ubuntu/ edgy/

For Dapper Drake

deb https://www.orcaware.com/packages/ubuntu/ dapper/
deb-src https://www.orcaware.com/packages/ubuntu/ dapper/

For Breezy Badger

deb https://www.orcaware.com/packages/ubuntu/ breezy/
deb-src https://www.orcaware.com/packages/ubuntu/ breezy/

I sign my packages.  To get my key, run this:

$ gpg --recv-key C5722326DA561D91
$ gpg -a --export C5722326DA561D91 | sudo apt-key add -

Regards,
Blair Zajac