Website/download: http://www.giffingtool.com/Giffing Tool is simply put: The fastest creator of high quality captioned Gifs available.
Simply drag across your screen to record movies, YouTube videos, and even existing gifs.
Subreddit: http://www.reddit.com/r/GiffingTool/
Youtube demo: http://www.youtube.com/watch?v=3AwCZ8rEU8A
Settings are saved in application folder.
Functions similarly to GifCam. The main difference is the ability to add captions.