3ShoeBoxes is a word teaching tool that can be used either with your own word lists and also downloadable ones from http://www.mobexa.com.
The 3 shoe boxes is a commonly known, effective method to learn new words and making passive knowledge active.
Originally, it is based on 3 shoe boxes and works as follows.
You put small pieces of papers (with a word in your own native language on the one side and the meaning of the word on the other) into the first box.

The NATO phonetic alphabet is a common name for the international radiotelephony spelling alphabet which assigns code words to the letters of the English alphabet so that critical combinations of letters (and numbers) can be pronounced and understood by those who transmit and receive voice messages by radio or telephone regardless of their native language, especially when the safety of navigation or persons is essential.
A6.AlphaZulu is a single screen application and presents the NATO phonetic alphabet (Alpha, Bravo, Charlie .

Apprendre is a game to help you study foreign languages.
To speak a foreign language, you need to remember many words. With the Apprendre, you can make word list as you want.
You can chose as following character codings.
European Language
- ISO-8859-1 Western
Asian Language
- Japanese Shift JIS
- Chinese (BIG5, Traditional Chinese)HongKong, Taiwan
- Chinese (GB2312, Simplified Chinese) China
- Korea (EUC) Korea
Apprendre is free soft.

BDicty (pronounced "bi-dikti") is a specialized reader application for reference content.
Powered with rich set of language, professional, scientific and even entertainment dictionary databases, BDicty will quickly become one of the most valuable and used applications in your PocketPC.
Available for Palm OS, PocketPC and soon Sharp Zaurus, BDicty Dictionary Reader pretends to be one of the most popular mobile dictionaries in the world.
Pay attention BDicty is only a dictionary program, not an actual reference dictionary.

Can you spell check a letter in spanish using your Pocket Word in English? This program will allow you to select which language you want to use in the Spell Check option of Pocket Word.
It also changes the completion/suggestion dictionary according to the language selected. Available languages are English and Spanish.Update
v1.2:
- Added the complection/subjection dictionaries. This is something that never have been included in any other application.

Cuvinte is a small word trainer working as multiple boxes trainer.
You can enter wordlists on your own with OpenOffice, Excel or any text editor. The program also includes a small editor for creating new word lists or change existing ones. Simple converting from csv files is possible, too.
Unicode is supported, so e.g. Russian words are also visible.
The program uses a German interface but as sample word list you will find a word list English - German for the commands ;-).

DictzCE is a program based on the Dict project (www.dict.org) and the dictzip format.
There are over 50 bilingual dictionaries out there for free to use with the Dict project, so I just write a free application to use those dictionaries. People spent a lot of time on creating them, why waste?
For a list of dictionaries: http://freedict.de/Download.shtml#Download.

DM Dictionary is a PocketPC program that it allows you to use a simple text file (.txt) to find the translation of every word you need.
It finds a word in 3 seconds on a file with 11000 words!!!
Features:
- Find a word in 3 seconds on 11000 words.
- Load your own language from text file (English as default language).
- Research supports: Case sensitive, Exact word & Multiple result.
- Comment in IDP (Internet Dictionary Project) Dictionaries.

A simple and free English to Turkish dictionary for Pocket PC. Data is stored in Xml and is easily editable.
The dictionary is from a Linux opensource project named GtkSozluk2.

Prepare for the GRE with this 1000+ Pocket PC GRE word list.
It is FREE and fully functional.