TeXPower is a bundle of packages intended to provide an all-inclusive environment for designing pdf screen presentations to be viewed in full-screen mode, especially for projecting online with a video beamer. For some of its core functions, it uses code derived from ppower4 packages. It is, however, not a complete environment in itself: it relies on an existing class for preparing slides (such as foiltex or seminar) or another package such as pdfslide.