Aymara: Language, Culture and History - Includes basic vocabulary and grammar, several proposed Aymara alphabets, map of the areas around Lake Titicaca where the language is spoken, and MP3 music files. (Site in English, Spanish, and Aymara.)
Cultures of the Andes - Quechuan-language lessons, music, songs, poems, stories and resources; site in Quechua, Spanish, and English. Música, fotos, y cuentos de la cultura Andina; en Quechua e Inglés tambien.
Curso de Quechua - online lessons in Quechua from Lima, Peru; in Spanish and Quechua.
CyberQuechua - information on Quechua academics, literature and culture, translations, a Quechua bibliography, linguistics, and general interest links.
El Quichua de Santiago del Estero - looks at the language, its grammar and vocabulary, of the Quechua of Santiago del Estero. In Spanish.
Escuela Runawasi - offers instruction in Spanish and Quechua.
Quechua Language - study the basics online; site maintained by Barry Brian Werger.
Quechua: The Language of Love - it's said the language of love is universal, but that doesn't mean you can't try your hand at it in Quechua.
The Quechua Language by Barry Brian Werger - Brief information about this Andean language, short lessons and Quechua resources.
University of California - Los Angeles - describes academic course offerings in Quechua.