River Past Screen Recorder is easy-to-use, fast, and powerful video-recording software. Record the full-screen, window (even if you drag it around the screen), fixed-region, or cursor area. Output to AVI files, with choices of video codec with quality settings. The program loads the video compressors dynamically on your system for the best power and flexibility. Common codecs include Cinepak; Indeo 3, 4, and 5; and Microsoft Video 1, Motion JPEG, DivX, and XviD. Use the latter two for the best speed and quality.
Optionally, audio can be recorded from any source, including microphone, line-in, or speakers. Recording volume can be adjusted manually even during recording. You have full control over the audio codec, sample rate, channel, bits per sample, and bit rate. The program has been tested to be up to four times faster than other programs. It's ideal for making demos, tutorials, and training videos. There's no adware or spyware, and there's a 30-day, money-back guarantee.