bttvgrab is a program for grabbing video sequences using a bt848-based frame grabber card (e.g. Hauppauge WinTV, Miro PCTV...). The goal of bttvgrab is to provide high-quality grabbing suitable for video recording. Currently, this is accomplished by trying hard not to leave out a single frame, and to catch temproary delays by buffering several frames. In the future, synchronized sound will be part of it. Then you can create mpeg movies using mpeg2enc, the output files will be prepared for that, so that the conversion can be done by a simple shell script.
camE is a Webcam grabber designed for video4linux devices. It is based on the xawtv webcam app, but extended to use imlib2 for applying antialised, blended truetype fonts to the image before upload. A large number of new options have been added including scp support (in addition to ftp), image archiving, and much more. It runs as a daemon and needs no X connection to operate.
dvgrab receives audio and video data from a digital camcorder via an IEEE 1394 (widely known as FireWire) link and stores them into an AVI file. It features autosplit of long video sequences into several files, and supports saving the data as raw frames, AVI type 1, AVI type 2, and image files.