TemplateToaster projects can be saved anywhere in the system i.e. at desired location and the saved TemplateToaster project can be browsed by following the steps provided below (screenshots attached):
1. Open TemplateToaster -> create a theme/template -> Save it in the desired folder, e.g. TemplateToaster-projects.
2. Open TemplateToaster -> click Open as shown in the image -> browse the ttr file from the folder in which you have saved it.