ESL classes:
http://www.waketech.edu/programs-courses/non-credit/strengthen-basic-skills/english-second-language-esl/esl-registration
Computer classes in Spanish:
http://www.waketech.edu/en-espa%C3%B1ol/programas-de-educaci%C3%B3n-continua/capacitaci%C3%B3n-de-computadores
Literacy: Triangle Literacy Council (has an ESL aspect too): http://www.triangleliteracy.org/learn/