Krut Computer Recorder is a screencast tool to record audio and video from your computer screen into .mov-files and .wav-files. It can be used to e.g. make video tutorials or record games. It could also be used to record streaming video and audio.
Snappy is a fast, easy to use, cross platform screenshot/screencast application currently being written in Python. It will integrate with many services, allowing the user to quickly upload to YouTube/ImageShack/FTP/etc.