Chromatic Tuner is an easy, hands-free way to tune your instruments. Listens while you tune and visually guides you through the tuning process. This is an all-new rendition of Rustle Laidman's famous Chromatic Tuner, completely rewritten for Mac OS X.

This shareware costs $9.

ValveTone '62 is a vibe-laden plugin that pays tribute to the EQs of yesterday; it's all about silky sex appeal and incredible thick tone. Deceptively simple BASS and TREBLE controls provide boost and cut algorithms that are both complex and pleasing. The DRIVE control provides you with two completely unique EQ curves:"Toasty", which provides warm, velvet-smooth EQ curves, and "Smokin", which is more driven, colored and over-the-top.

You can download the demonstration version of ValveTone from the MM softwares section.

Massenburg DesignWorks Hi-Res Parametric EQ goes to version 1.2, and add compatibility for D-Control, Digidesign's tactile work surface for Digidesign ICON systems. This plug-in update for Pro Tools|HD & Pro Tools|HD Accel Systems is a free dowload for all existing MDW EQ owners, and uses the same iLok authorization that the previous version of MDW EQ used.

More information on the MDW EQ and download available on the Digidesign web site.

Open Sound World, or OSW, is a scalable, extensible programming environment that allows musicians, sound designers and researchers to process sound in response to expressive real-time control. OSW combines a familiar visual patching paradigm with solid programming-language features such as a strong type system and hierarchical name spaces. OSW also includes an intuitive model for specifying new components using a graphical interface and high-level C++ expressions, making it easy to develop and share new music and signal-processing algorithms.

Open Sound World is available for Mac OS X.

Renoise is a new music tracker software, combining studio quality sound with a "clear and concise interface". Renoise fully supports MIDI and VST/VSTi plugin technologies. This 1.5 Alpha version is available for registered users, and a public beta version will follow soon.

Renoise costs $45.