River Past Screen Recorder is a easy-to-use, fast, and powerful screen video recording software. Record full screen, window (even if you drag it around the screen), fixed region, or cursor area. Output to AVI, DivX, XviD, MKV, OGM, WMV or MOV (optional) files, with choices of video codec with quality setting. It loads the video compressors dynamically on your system for the best power and flexibility. Common codecs include Cinepak, Indeo 3, 4, 5, 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 sources, including microphone, line-in, or speakers. Recording volume can be adjusted manually even during the recording. Full control over the audio codec, sample rate, channle, bits per sample, and bitrate.

It has a built-in scheduler for unattended recording. You can set the start time and/or the stop time. Record your e-learning sessions from the web or scheduled broadcasts when you cannot attend.

It has been tested to be up to four times faster than other programs. Ideal for making demo, tutorial, and training videos.

With the optional MOV Booster Pack, you can output to QuickTime movie.
With the optional MPEG-4 Booster Pack, you can output to MP4 video.
With the optional 3GP Booster Pack, you can output to 3GPP or 3GPP2 video.