Infuse - Media player and media server with subtitles and wide codec support.
Giffing Tool - Giffing Tool is simply put: The fastest creator of high quality captioned GIFs available.
IINA - The modern video player for macOS
Gifox - Delightful GIF Recording and Sharing App for macOS
Clappr - An extensible media player for the web
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!