Microsoft Visual Studio, Apache NetBeans, Code::Blocks, Eclipse, SharpDevelop, Lazarus, Xcode, RadASM, Qt Creator, NASM, Aptana Studio, KDevelop, Servoy, flat assembler, CodeLite, ZAM 3D, Microsoft Expression Blend, MonoDevelop, Pao, JWasm, txt2html are some alternatives to MASM Builder.