EmbedPlus lets you easily edit and watch upgraded video embeds with enhanced playback and relevant content.
Like DVD chapter buttons, click these to skip to marked times. Use the wizard to mark notable parts like game highlights, changing performers, and lecture sections.
Sweet Spot Marking
Helps you catch the best parts of a video by revealing the scenes that are generating the most buzz by other viewers. You can also use it for your creative/marketing efforts or just for your curiosity.
Crop, Cut, Splice, Chop (or how ever else you prefer to pronounce it). Plays the interesting part of a video you decide.
Discussions about a video occur in many places. Optionally enable this button to show viewers the latest Internet reactions, right inside the player. Currently showing YouTube comments and Twitter feeds.
Third Party Annotations
Add your own timed annotations to any video. Use it to display titles, captions, scene labels, and side comments during playback.
Slow Motion On-Demand
Instantly watch videos at a slower rate to more clearly see what happens. Use it for videos with sports highlights, demos, tricks, and raw footage.
Added accessibility. Dynamically magnifies the area you point over. Use it to get a close look at objects, writing, and things like moving athletes.
Instant Replay / Loop
Replay an event soon after it happens. Also double-click to loop the replay.
More info: http://www.embedplus.com/
Via Robin Good