A chat program that use sms.it was written in java. works on CLDC 1.1 midp 2.0 mobile devices. all messages are shown on one screen. sender and receiver must have the program to communicate. Billing is your standart sms price per message you sent.
LoroDux is planned to be a OSM and Java based multi platform navigation software for mobile devices for blind and visually impaired persons. Release of first alpha version was September 10, 2010. http://wiki.openstreetmap.org/wiki/LoroDux
Basically an API for J2SE 1.4+ to talk to a GSM Modem connected to your machine via a COM Port. It can send and receive text SMS using a GSM Modem Bluetooth or Infra Red.This API, however, needs Java Communication API