Simple crossplatform IDE for NASM, MASM, GAS and FASM languages
uIDE (Micro IDE) is a free, open-source IDE for GPUtils
Cross-platform IDE for developing embedded solutions and desktops
an object-oriented language with late binding
An essential 32-64bit localized IDE for Assembly Language with Debuger
Visual MASM - Assembly IDE for Microsoft MASM
Integrated Development Environment for Flat Assembler.