This is a new searchable index that is in beta. It points to online essays. Like the two engines listed above, it is from the University of Evansville. This site is a treasure house on the Internet. The user can point and click on Greek words to find morphological analyses, definitions and hyperlinks to other texts that use that word.
English translations are available for browsing only.
Perseus also has a reference entry on Plato . A repository of ancient texts in English translation for browsing or downloading.