This document discusses using open corpora and open educational resources (OER) to address deficits in language training resources. It introduces the Flexible Language Acquisition (FLAX) project, which utilizes digital tools and open web content to facilitate data-driven language learning through analysis of word meaning, frequency, usage, and collocations. It also describes OpenSpires, a repository of Creative Commons podcast content on iTunesU that can serve as an OER channel. Finally, it recommends several open-source text analysis tools and links to further OER resources that can be used to build customized corpora for language learning.