Online text books

http://www.textbooksonline.tn.nic.in/Std11.htm

ILIAS LMS

Open source LMS
http://www.ilias.de/

http://www.ilias.de/docu/ilias.php?ref_id=367&cmd=layout&cmdClass=illmpresentationgui&cmdNode=1&baseClass=ilLMPresentationGUI&obj_id=29381

http://www.ilias.de/docu/goto_docu_cat_581.html

SCRIBD/Slideshare.net/Docstoc.com login details

Scribd (arun_ama)/Slideshare.net(arunanitha)/http://www.docstoc.com/(arunanitha)/wiziq.com(arunkumar.niit) here we can upload our books, download any books which are available.