The most POPULAR stream recording software (free download):

• REPLAY MEDIA CATCHER
  the best audio/video stream ripper. Supports the most popular flash video format (RTMP and HTTP).
• REPLAY CAPTURE SUITE
  the best audio/video stream recording/capturing bundle
• REPLAY MUSIC
  the best streaming music recorder
• WM RECORDER
  the best Windows Media, Real Audio/Video stream capture software

Other RECOMMENDED software and services:

• REPLAY MEDIA GUIDE
  free service to find and record online radio, Internet TV, podcasts
• AVS VIDEO TOOLS
  convert, split, join, remove commercials, edit, rotate, apply effects, capture, transfer, copy, rip and burn DVD and video files
• EMUSIC
  the best legal music download service
• AUDIBLE
  download audio books, audio magazines, newspapers, radio programs
• SOUNDTAXI
  remove DRM protection from Windows Media, iTunes music and video files

You can use screen capture software and direct audio recording software in case of non-recordable streams or DRM protected streams.

As for the streams without DRM protection we suggest you to try the latest versions of several stream recorders before using screen capturing and direct audio recording software. The majority of Windows Media, RealAudio, RealVideo, QuickTime streams can be recorded, but you might need to use the latest versions of stream recording software. You might also need to try several stream recorders.