Fx New Sound Movie Audio Replacer
Easily add music or narration to your home movies or fill in silence in silent films with this movie audio replacement software. Eliminate garbled, random noise in just a few clicks.
J. Hepple, Inc. 
Fx Movie Joiner
This software allows you to combine videos of various types, sizes and frame rates with still images, and save the result as a new AVI, Windows Media, Real Media or MPEG movie. It supports Windows Media, AVI, and MPEG file formats.
Fx Splitter and Trimmer
Fx Movie Splitter and Trimmer is a software tool that lets you extract selected parts of an existing movie file and create a new AVI, Real Media, MPEG, or Windows Media file. It supports input file formats such as AVI, MPEG, Windows Media, and Quick-Time.