NSVRecorder 1.0.0.1 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular version among the software users is 1.0. NSVRecorder relates to Multimedia Tools. NsvRecorder.exe is the most common filename for this program's installer. We recommend checking the downloaded files with any free antivirus. This software was originally designed by StreamingStar Technology Inc.
From the developer:
NSVRecorder is the easiest way to record Nullsoft Winamp streaming Video or Audio content. You can save music videos, Internet TV.
You may want to check out more software, such as Xfire Plus: Music Plugin, Blue Cat's Stereo Flanger - VST or Alienware AlienFX, which might be related to NSVRecorder.