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Stixy, the whiteboard collaboration tool, has launched its public beta today. You can read our initial review here.
The free service gives you a good way to organize calendars and tasks with an easy-to-use whiteboard tool. Its collaborative features make it great for projects that need to be shared and managed. Some new functionality that's been added with the public release include the addition of a tag filter so finding items is easier, and improved speed and stability.