The most POPULAR stream recording software (free download):

• WM RECORDER
  the easiest audio/video stream ripper
• REPLAY CAPTURE SUITE
  the best audio/video stream recording/capturing bundle
• REPLAY MUSIC
  the best streaming music recorder

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

• MIT OpenCourseWare (MIT OCW) is a large-scale, Web-based publishing initiative with the goal of providing free, searchable access to MIT course materials for educators, students, and individual learners around the world. These materials are offered in a single, searchable structure spanning all of MIT's academic disciplines, and include uniform metadata about the contents of the individual subject sites.
  
  For example MIT OpenCourseWare offers video lectures in Mathematical Methods for Engineers, Linear Algebra, Media, Education, and the Marketplace, Physics. To find MIT OpenCourseWare video lectures please search for "Video lectures" (without quotes) at MIT OCW web-site.

  See also Download MIT OCW streaming video lectures to my computer for viewing off-line

• UCTV - delivers faculty lectures, documentaries, cutting-edge research symposiums and artistic performances from each of the ten UC campuses: UC Berkeley, UC Davis, UC Irvine, UC Los Angeles, UC Merced, UC Riverside, UC San Diego, UC San Francisco, UC Santa Barbara, and UC Santa Cruz, as well as UC's national laboratories and affiliated institutions.

• Course Webcast at University of California, Berkeley offers video lectures in Information Technology, Mathematics, Biology, Chemistry, Politics and many other. The web-site uses Real Video streamed through RTSP and PNM protocols.

• University of Washington. Department of Computer Science. offers video lectures in Computer Science. The web-site uses Windows Media streamed through MMS protocol

• Wake Forest University Babcock Graduate School of Management - MBA offers audio/video guest lectures (MBA lectures). To play the lectures, you may need download the free Real Player.

• Stanford Graduate School of Business offers audio/video MBA lectures. To play the lectures, you may need download the free Real Player.

• CERN Academic Training Programme offers various seminars and lecture programmes every year in particle physics and related sciences, like computing, engineering and mathematics.

See also:

• How to download/save/capture/record media streams from Real Player
• How to download/save/capture/record media streams from Windows Media Player