Does anyone remember the Sparkle MPEG player for MacOS that was popular in 1995? The author of that software was programming smoother playback than the QuickTim

Does anyone remember the Sparkle MPEG player for MacOS that was popular in 1995? The author of that software was programming smoother playback than the QuickTime team, despite the QuickTime team pressing for kernel tweaks and undocumented hooks. The result was a flurry of development which benefitted users but cramped an independent developer.