EyeTV products lets you watch, record, edit, timeshift and archive TV on your Mac. With solutions for analog and digital television, and video quality options to meet differing customer needs, Elgato has an EyeTV to fit your Mac.
Watch, pause, and rewind live television on your Mac.

WM Recorder - Very good program for recording streams Windows Media. To record a media stream to a file, you must run and enable recording directly before clicking links on web-page on which to begin media playback. There's also a mode with a URL-address, which is important, for example, when listening to Internet radio, where the flow is virtually no end. Although the setup program and are not rich, they can not be neglected, for example, if you do not put a check mark next to the item "Seekable": the files will be impossible to "rewind" with the scroll bar.