ffDiaporama is a multi-platform application for creating videos from photos or movie clips. It supports various transition effects, titles/annotations, music and more. (GPL)
Linux - Windows
OpenLP is a worship presentation program for projecting songs and other media in churches. (GPL)
Windows
PhotoFilmStrip creates movies out of your pictures in just 3 steps. First select your photos, customize the motion path and render the video. There are several output possibilities for VCD, SVCD, DVD up to FULL-HD. (GPL)
Linux - Windows
Unlike in most presentation applications, a Sozi document is not organised as a slideshow, but rather as a poster where the content of your presentation can be freely laid out. A Sozi presentation is an SVG document with defined frames. (GPL)
Linux - Windows - macOS
4 applications