VidReader. With its new name VidReader does the same thing that SnackVids did. That thing is create a searchable transcript of any YouTube video that is narrated in English. As you'll see in the video, the transcript is not only searchable but all of the keywords are hyperlinked to timestamps in the video.
Applications for Education
After I published the above video a couple of weeks ago, a lot of people commented to me that SnackVids, now VidReader, could be a good tool to provide assistance to students who need to or want to read along with a video.