Thuswise Ltd invites you to download this software. You should check the details carefully, but in the main I have given this code its Freedom, subject to the terms of the GNU Public Licence.
I hope these items are useful to you. If you can, please send me an email telling of your experiences, bugs you've found, or ideas you've spotted for improvement.
If you have the skills, please spend some time with the code and try taking it forward. Patches will be received with grateful thanks.