Eclipse, my favourite IDE for Java, which is of course free, has just received support from Nokia for using the platform to build applications for its phones and devices. More here.
[COLOR=#1951B9]"We started this investigation into Eclipse at the grass-roots level, and the end result is we have our first products here," Salzmann said. "We're also looking at Eclipse as a C++ development environment." The CDT, or C/C++ Development Tools, is a plug-in for Eclipse developed by QNX Software Systems Ltd. [/COLOR]