Tanzil.net: Tanzil is one of the best Koran sites available. It is designed for to be used by novice as well as advance Koran researchers. It has numerous translations and recitations. You can listen to Koran in Arabic or other languages, while reading the Arabic text along with translation in the language of your choice.
Rashid Khalifa English Translation: This translation is one of the easiest English translations available.
Farsi Translation by Tucson Mosque: This easy to read translation is based on Rashid Khalifa’s teachings and translations.