Synapse Audio have released the OS X version of the Poly-850, a VSTi synthesizer plug-in for Mac OS X, which started out as an emulation of a vintage synth. The Poly-850 features 2 oscillators, one filter for all voices, 3 envelopes, a modulation generator and a chorus effect.

Poly 850 costs $79 but he OS X demo version does not yet appear to be available.

Mireth Technology Corp. announces the launch of Music Man, digital music software that rips from CD, converts between formats, burns to CD or to USB Flash Drive Memory and plays music files, CDs and directly from USB Flash. Music Man runs on Mac OS X.

Music Man for Mac OS X is available for immediate download or on CD-ROM, starting at $19.95. Educational pricing and volume discounts are available.

Filterizer is a new a new VST effect for OS X made by Analog Industries. Filterizer is a simple state-variable filter that allows the filter cut-off frequency to be controlled by MIDI note number.

Filterizer is now available as a free download from the Analog Industries website.

NI has just posted an update (large bugfix version) to version 4.1.3 of Reaktor for both Mac OS 9 and Mac OS X. This update features : improved graphics performance, audio unit version now supports MIDI-capable effects, copy/paste of (info) texts now works, and fixes :batch conversion destroyed internal connections, naming of files in the recorder was buggy, possible crash with Create Control, crash with high number of voices when changing them, and more, more...

This update is free and the full version of Reaktor costs 449 euros

Recordare LLC has released a Macintosh OS X version of its Dolet for Finale plug-in. Dolet for Finale 2.0 lets Finale for Macintosh users exchange files with any other programs that support the MusicXML format. Dolet plug-ins works as an universal translators between music notation programs. Finale users on OS X can now read all files produced by programs including Sibelius, PhotoScore Professional, and Virtual Composer.

More info on the Recordare web site.