Huemul (pronounced hw~y~mul) is a new Smalltalk implementation.

Huemul methods are not interpreted, they are implemented in native machine code. With this approach, non-Smalltalk code is kept to the bare minimum, making it easy to port. It also brings outstanding performance to the Smalltalk world.

Huemul uses GTK to build its graphical user interface. This feature gives Huemul a familiar and appealing look and feel, not only in the developing environment, but also to the developed applications.

Huemul uses operating system native threads, allowing it to scale well from an uniprocessor system to a multicore and multiprocessor system.