The Dylen Application, developed within the DYLEN project, is a web based interactive visualization tool for lexical networks which supports to support diachronic comparison of lexical networks. As data, on the one hand the Austrian Media Corpus (amc) is used and on the other hand the records of the Austrian Parliamentary Records (ParlAT). The application consists of three visualisation components: network-graph visualization, node-metrics comparison and time-series components.