Sanskrit
General Sanskrit lessons
Cultural
Sanskrit script
Harvard-Kyoto coding
a A i I u U e ai o au R RR lR aM aH (or a:) ka kha ga gha Ga (nasal "ng") ca cha ja jha Ja (nasal "ny") ta tha da dha na Ta Tha Da Dha Na (retroflex) pa pha (not "fa") ba bha ma ya ra la va ha
Glossary
See also
Wikner's introduction to Sanskrit is a good start.
Sanskrit: An Easy Introduction to an Enchanting Language by Professor Ashok Aklujkar is also recommended.