http://www.storyjumper.com/ You can use this site as another way for students to publish their writing. It works great for when they are writing stories. Teachers will have to set up a class list, but what's great aboutthis site is that students can work from home using their log in and password.

http://safeshare.tv/
If you copy/paste youtube links into a search box, it creates an ad-free/comment-free link that you can save to access a youtube video for your class. It also eliminates the "suggested videos" that pop up at the end of each video.