Nearpod is a FREE tool that works on any device and allows teachers to guide students through presentations and activities both synchronously as well as asynchronously. The EdTech Teacher blog has a helpful post with tips and suggestions for using Nearpod in your classroom.
Microsoft Mix for PowerPoint is a super add in that allows you to have quizzes, screencasts, annotation, and video into your lesson presentations. System Requirements: The Office Mix add-in requires a PC with PowerPoint 2013 or Office 365.
Tackk is a free site where you can create announcements or online newsletters. If you do not sign up for an account, the announcements are only good for a couple days, but you can establish a free account for longer periods of time.
This is a short and sweet tip to preparing Prezi presentations from the Technology Enhanced Learning Blog.
Biteslide was the EdTech Digest Award winner for 2013 and gives younger students an easy effective way to create online slideshow presentations that showcase their learning.
Presentation.io allows you to live broadcast your presentations to mobile devices, tablets and laptops of your audience – no matter whether you are in the same room or in different parts of the world
Quozio allows you to copy and paste any quote and author and the site will create a jpeg image you can save to your computer to use in slideshows, videos, or posters. 
Breathe New Life into PowerPoint Presentations Following are a number of ideas and free resources that can help you add fun and pizzazz to your PowerPoint slide presentations by incorporating engaging visual and audio elements.
Mapping Media to the Curriculum – What do you want to create today? This site has visual icons you can click to find places to create curriculum content, assessments, and publish online.
Presentation Tube was designed to help teachers and students produce and share video presentations online.
The network has two components – a desktop presentation recorder and a video sharing network. The recorder, which can be downloaded from the website for free, uses a simple and straightforward technique to capture presentations from the comfort of home or office and without the need to have an Internet connection or third party software while recording. It synchronizes a variety of visual aids, including presenter’s audio and video, PowerPoint slides, drawings, handwritten words, and web content. The network allows presenters to publish their videos and involve the audience via scrollable slide thumbnails, comments, and quizzes.
