
The Global Language Online Support System (formerly DLI-LangNet) provides easy access to online language materials for language learners and teachers alike. There is an abundance of quality online materials available across five languages. These materials were specifically developed to target many of the common trouble areas for language learners striving to move from the plus level (1+, 2+, etc.) to the next full level as described by the
Inter-Agency Language Roundtable scale.

GLOSS also features an Online Diagnostic Assessment which provides learners the opportunity to identify their strengths and weaknesses through a battery of self-assessment questions. In certain languages and at certain levels, a tailored learning plan linked to specific online language materials can be generated.
The Online Diagnostic Assessment is still under development. It will ultimately develop into a robust online assessment tool for language learners at all levels in many languages.