What Payment Should You Make?

There are currently three categories of software distributed together. The fee due depends on the modules that you use.

License TypePackagesPrivate / EducationalCommercial

Lesser Gnu Public License - LGPL: A business friendly license, free to use commercially, with source code provided.

Currently two packages are available under LGPL: MiniDOM and Striterators

Free Free

Shareware License: Some packages are unrestricted but you are asked to make a "shareware" contribution if you find them useful.

[Note that a full license removes the obligation for a shareware contribution]

Currently the InterActor and QUDOM packages are distributed as shareware.

£20 £100

A Full License is required for the main object modelling packages. When you make your payment, your email address will be used to register you as a CTC user.

On receipt of your payment you will receive an email providing you with a license key to unlock the time restrictions on the evaluation version. As a registered user you will have access to technical support, and you will be encouraged to provide feedback on future product directions.

On receipt of your payment you will receive an email providing you with a license key to unlock the time restrictions on the evaluation version. As a registered user you will have access to technical support, and you will be encouraged to provide feedback on future product directions.

The non-commercial license includes a runtime license limited to one year. Phd students who require time extensions for project work should contact me with course/project details.

The commercial license includes a unlimited runtime license that can be deployed with any CTC system.

A full license is required for the IStore, GPO and Alchemist packages.

It is also required for GPO derived packages such as PDOM.

£50pa £5000pa

Payments can be made in pounds sterling, US dollars or Euros. VAT at 17.5% will be added for EU based customers.

How to pay

You must mail me to receive payment options.