Neil Gerstenberg
GCal Toolkit
Trial versionGoogle Calendar help, repair, and maintenance.
MacGCalToolkit
Trial versionClean, organize, and maintain Google Calendars.
WindowsGTasksToolkit
Trial versionCreate and manage your tasks with Google Tasks alternative.
WindowsDba2Csv / Palm2Google
Trial versionMove any Palm calendar into Google Calendars, MS Outlook, iPhone, or Android.
Windows