jGoogleCalSync is a Java application that uses the ICS file format to access and upload calendar information in GMail's Calendar. The application has been built to upload Lotus Notes calendar information. Once the Lotus Notes information is in GMail calendar, it can be synchronized via CalDAV towards an iPhone or other calDAV-enabled devices.
Dr. Geo is an interactive geometry program that is distributed as a universal portable application. It allows one to create a geometric sketch and manipulate it according to its constraints. It is usable at home or at school, in primary or secondary education. It is simple and effective with extended features including scripting and programming.