Along with the original Sanskrit text in Devanagari and an English translation, the free GitaReader offers you the following features for the first three chapters of the Gita:
+ Sanskrit text is presented in an interactive interface. Click on a word to get more information about it.
+ Get a full explanation for each Sanskrit word in the text.
+ Get special meanings for most Sanskrit forms. You are not left with a bunch of possible meanings. Instead, you can select from a narrow range of most probable meanings of a word.
+ Sanskrit Sandhi has been resolved. This makes reading Sanskrit a lot easier, especially for the beginner.
+ Find all places in which a word is mentioned in a text with just one click.
+ Bookmark interesting places in the Bhagavadgita and add short notes to them.
Chapters 4 to 18 contain the Sanskrit text with the English translation.