Basque lessons: 107 lessons to learn Basque easily. Audio files (RealPlayer needed). For Spanish speakers.
Euskara, basque lessons for French speakers: Nineteen lessons by Vincent Bastiat.
HABE (Institute for the teaching of Basque and Basque Language Literacy to adults): Autonomous Organization of the Basque Government, part of the Department of Culture. Its main objective is to promote Basque literacy and Basque in adults.