Explain Everything is an easy-to-use design, screencasting, and interactive whiteboard tool that lets you annotate, animate, narrate, import, and export almost anything to and from almost anywhere.
2- Teach
Knowmia Teach is a new free lesson planning and recording tool for teachers. It helps you create short video lessons on any subject and publish them on Knowmia.com so your students and the public can find them. Knowmia Teach makes it easy to bring in visual aids from multiple sources, organize them in steps (like slides in a presentation) and use your own voice and fingers to bring your lesson to life.
3- Show Me
ShowMe allows you to record voice-over whiteboard tutorials and share them online. It’s an amazingly simple app that anyone can use, no matter how young or old!
4- Educreations Interactive Whiteboard
Educreations turns your iPad into a recordable whiteboard. Creating a great video tutorial is as simple as touching, tapping and talking. Explain a math formula… Create an animated lesson… Add commentary to your photos… Diagram a sports play..
Doodlecast Pro is the easiest way to create presentations on your iPad. The app records your voice as you draw to create quick presentations. Doodlecast Pro saves videos to the camera roll making it easy to import them into popular video editors or presentation tools such as iMovie, Keynote, or iBooks Author. Perfect for teachers, students, business people and anyone needing an elegant way to share ideas.
6- Pixntell
Pixntell adds your voice to your pictures and creates a personalized video you can share on Dropbox, Facebook, YouTube, FocusTrain or email.