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Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. The interface has been translated into many languages.
Jing is a computer service that lets you capture basic video, animation and still images, and share them on the web. It is a simple and free way to enhance your fast-paced online conversations. Create images and videos of what you see on your computer screen, then share them. Jing is available for MS Windows and Mac operating systems.
Kaltura is an online video platform that allows publishers and content owners to publish, manage, monetize and analyze their video and other rich-media content.
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Doceri is an iPad interactive whiteboard and screencast recorder with tools for hand-drawn graphics and built-in remote desktop control. A tablet version is available only on iPads, but a desktop version is available for Windows and Mac users.