The Snack Sound Toolkit is designed to be used with a scripting language su ch as Tcl/Tk or Python. Using Snack you can create powerful multi-platform aud io applications with just a few lines of code. Snack has commands for basic so und handling, such as playback, recording, file and socket I/O. Snack also prov ides primitives for sound visualization, e.g. waveforms and spectrograms. It was developed mainly to handle digital recordings of speech, but is just as use ful for general audio. Snack has also successfully been applied to other one-dimensional signals. The combination of Snack and a scripting language makes it possible to create sound tools and applications with a minimum of effort. This is due to the rapid development nature of scripting languages. As a bonus you get an application that is cross-platform from start. It is also easy to integrate Snack based applications with existing sound analysis software.