The objective of Tucan is to provide a convenient graphical interface i downloaded the multipli per da Megaupload, Rapidshare, 4shared, Badongo and similar.
Directly from the site: "Tucan to experiment with a new experience to users discouraged by other methods of file sharing, as the p2p. “Tesseract OCR” – ed: OCR software used by Tucan – combined with the library in GDP, Tucan grants to solve any captcha without user intervention. Tucan also bears the expectations between the user download removing any hassle ".
In fact we do not know if the software "Tesseract OCR"Is able to solve any captcha proposed by hoster, is an excellent OCR software but it is possible that some captcha not be interpreted and its file is not downloaded. However these cases are isolated.
For now Tucan is to its release 0.3.9, and is available as a binary package for Windows, Mac OSX and GNU/Linux (major distributions). Being released under the Tucan GPL you can also download the sources.