Yasm

Yasm is an assembler and a complete rewrite of the NASM, to which it is also interchangeable in general. Yasm supports both x86 and AMD64 processors.

Comparison with NASM

Advantages:

• It can handle both written in NASM as well as in GAS syntax code
• It provides an interface to the software library ( Libyasm )

Cons:

• NASM is tested longer and better and thus more stable than YASM
• NASM provides a more extensive documentation
• Yasm lacks support for the Relocatable Object Module Format
• Yasm does not provide disassembler

• Assembler
• Free programming tool