FreeOTFE4PDA is an "on-the-fly" (OTFE) transparent disk encryption program. Using this software, you can create one or more "virtual memory cards" on your PDA. Anything written to one of these cards will be automatically and securely encrypted before being stored. A PC version is also available, allowing data encrypted on your PC to be read/written on your PDA, and vice-versa.
JLearnItME is a multilingual translator for mobile phones. It includes15 languages: English, French, Spanish, Dutch, German, Italian, Hebrew, Portuguese, Swedish, Danish, Norwegian, Hungarian, Russian, Latin and Czech. The same dictionary can translate from any language to any language (e.g. English-French and French-English). It takes only 2.0MB for the 15 languages. It works on any mobile that accepts Java applications larger than 2.0MB. The user interface is available in English, French, Dutch, German, Italian, and Czech. You can create your own dictionary with JLearnIt (e.g. only French - Italian). It browses the nearest words if you do not find a translation.
Wieldy is a to-do list manager that is based on the principles of GTD (Getting Things Done). It allows you to manage your to-dos in a simple but effective way. To-dos can be created as thoughts and actions, which can then be assigned to the Next Action, Today, or Someday categories. Tasks can also be scheduled and listed in a calender-like overview, as well as linked to a project or simply put on hold. Wieldy also allows you to manage your contacts and delegate actions to them. Other features include support for data encryption, tagging, priorities, recurring action templates, and synchronization with other PIMs like Outlook. No installation is needed.