From Forum Nokia Wiki
Tools by Category
IDEs by Platform
The following tools may be part of the extended tool chain for mobile application development in different platforms:
for Symbian OS C++ Development
for Themes development
for Maemo Development
for Widgets Development
nokia widget eclipse plugin
for Java ME Development
for Flash Lite Development
for WAP Development
for Python / PyS60 Development
C/C++ Compilers
Symbian specific tools
Nokia tools
Windows Utilities
Other