Pearltrees is a creative and visual way to save and manage your favourite websites or 'pearls' as they are known. 'Pearls' - websites, files, photos and notes - can be saved and organised into what's known as 'pearltrees'. These 'trees' can be created and organised around subjects of interest. For example, you may have an interest in photography and want to save lots of interesting websites, blogs, photos on the topic. Using Pearltrees it's simple.