'Turn your iPad into a wireless whiteboard! Annotate PDF documents and images live. You can now project PDF documents (such as exported PowerPoint or Keynote decks) to a computer on the same local network, then annotate them in real time, all from your iPad. Air Sketch is great for presentations in the boardroom, classroom, or on the go. Just fire up Air Sketch on the iPad and open the specified URL from any HTML-5 compatible browser on the local network. Your photos and drawings show up natively in the browser. There's no additional client software to install, or services to subscribe to. Tip: You can also find the link in Desktop Safari's Bonjour bookmarks: Show All Bookmarks menu ➢ Bonjour. No longer be tethered to the podium! Connect your laptop to a projector to present and draw from your iPad as you walk around the room. You can also easily pass your iPad around to allow others to contribute. Incorporate the iPad into your desktop-based workflow: Record videos of your live Air Sketch drawings, or share them live with remote colleagues via any online meeting or desktop sharing software (such as iChat or WebEx). Air Sketch is also the perfect companion for family games of Pictionary or as a virtual coloring book. Note: Air Sketch is designed to work optimally with landscape documents and with a single computer connected to the same local network as your iPad.
This app costs $9.99