NESide is an IDE specially made for coding in assembly language for the NES. Featuring syntax-coloring and integrated editors for palette and name tables.
Also includes a plug-in system for extensibility.
The "Visual Code Generation Environment" project is a Object Oriented development environment that allows Design, Coding, Documentation, Compiling Test Plans, and Testing of an Application to occur in parallel, as one single task.
A number of tools to enhance management/coding of NFR (http://www.nfr.net) IDA, and various other admin tools that can be used for both NFR and hand coding other appliance scripts.
Sphere Suite is an IDE for the RPG Creation Engine Sphere, with an excellent interface and plenty of code helping tools. With a highly customizable interfaces and great coding utilities and a built-in script for Sphere Suite is the best choice for an IDE