...The most powerful part is the RSDEngine - provide it with a SQL database schema and additional options and it will generate a ready-to-run application. Other goodies: versioning, generation of API docs, unit tests.
BeOS Rapid Integrated Environment (or BRIE for short) is an IDE for rapid development of BeOS / OBOS / Zeta applications. All code is generated in C/C++ using the BeOS API plus a few extensions.