GNU libmicrohttpd is a small C library for embedding HTTP server functionality into other applications. It is reentrant, fast, supports HTTP 1.1, and permits listening on multiple ports. The API is simple and still powerful enough to allow programmers to use the entire HTTP feature set. SSL/TLS support is available as an option.
If you have a pre-determined quota from your operator of how much packet data you can use in a month, it's a pain to first find the Logs application, open the packet data counter, then try and work out how much data you have left from the amount used so far. Data Quota shows two simple bars: one showing how much of the data for this month you have used, and one showing how much of the month has elapsed. This lets you tell at a glance if you've been using data up too quickly or slowly, so you can be more (or less) frugal.
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.