Parent report has proven a valid and cost-effective means of evaluating early child language. Large scale datasets has proven to be useful both when it comes to basic research as well as in relation to assessment and intervention. And since norming studies based on parent reports contains great potential for varies use, static printed manuals and papers soon turn out to have its limitations – it is simply not an option to publish all thinkable results. This poster describes the concept behind CLEX, a web-based cross-linguistic database for lexical data from adaptations of the MacArthur-Bates Communicative Development Inventories. Including how CLEX provides tools for a range of analyses within and across languages, and how it is designed to incorporate additional language datasets easily, and to permit users to define mappings between lexical items in pairs of languages for more specific cross-linguistic comparisons. The poster will more over present an update on CLEX focusing on changes in functionality and languages included since the preparation of Jorgensen et al. (2010), including the new implementation of early gestures and early grammar. CLEX today contains CDI-data from 5 languages, and during the past half year around 600 unique visitors from over 50 countries and more than 40 universities have visited the website. (This does not count visitors accessing the site from home, where a professional relation is not defined.) Information will also be provided on how additional researchers can contribute data from their languages to CLEX.