MoStacks is a data management freeware (a "database") for UIQ3 devices like the P990i and P1i phones from SonyEricsson, inspired by Apple's famous HyperCard application. MoStacks is probably the first such program for UIQ/Symbian phones.
TouchCalc is a simple and easy-to-use freeware calculator for UIQ3 devices like the P990i and the P1i - my very first UIQ 3 program.
GivenNames is a free eBook available in Mobipocket and Microsoft Reader formats with the title "Popular US Baby Names"; it contains information about the 2000 most popular US given names (according to the hitparades for the decade 1990 to 1999), together with 1000 of their European variants.
PhoneTime is a free Java MIDlet that shows several clocks in configurable timezones ("world clock") and has a special feature to warn you when a local hour is not a good time for a phone call. It should run on practically every Java-enabled mobile phone (with only MIDP 1.0, CLDC 1.0 as requirements).
Kana is a free Java MIDlet that helps you to learn the 70+ Japanese Hiragana characters and converts strings in Latin script to Hiragana. It should run on practically every Java-enabled mobile phone (with only MIDP 1.0, CLDC 1.0 as requirements).
The About Names website can also be seen as a kind of freeware - it offers information about 3000 given names absolutely for free.