Download of cdk-nios-os-uclinux-dk1s40_mldk20-2.4.17-uc0_20040325.noarch.rpm (cdk-nios-os-uclinux-dk1s40_mldk20-2.4.17-uc0_20040325.noarch.rpm ( external link: SF.net): 13,276,161 octetos) will begin shortly. If not so, click link on the left.
CDK4NIOS stands for Cross Development Kit for Altera's soft core processor NIOS and should you support with a comprehensive Assembler and C/C++ development environment under Linux. It will present only free of fee tools, so you can use it without risks.