ProShow is famous for its transitions.
Since is no longer in business, users looking for similar functionality or a direct successor can look into: Portable ProShow Producer 3.0.1967
Version 3.0 introduced robust keyframing. ProShow is famous for its transitions
For photographers and videographers recovering data from a crashed system, the portable version is a lifesaver. You can run it from a recovery USB drive to build a slideshow from salvaged JPEGs without needing to repair the host OS first. You can run it from a recovery USB
The 3.0.1967 build was a landmark update for the Producer series. It introduced a level of stability and a suite of keyframe tools that bridged the gap between amateur hobbyist software and professional video editing suites.
Modern video editors (DaVinci Resolve, Premiere Pro) take 30 seconds to launch and require steep learning curves. ProShow Producer 3.0 launches in under 3 seconds from an SSD and has a toolbar interface that 50-year-old photographers find intuitive.