http://www.suratha.com/tamilunicode.html	Very nice tutorial about Tamil Unicode, and tons of Tamil related resources.
http://www.google.com/intl/ta/	யூனிக்கோட் தமிழ்ல் Goolge தேடுவதற்கு.
http://tlt.its.psu.edu/.........bylanguage/tamilchart.html	Unicode character map