In this study of science history I want to present what an important role the computer plays in the dialectology. Thanks to the application of a special software developed by various workshops we can disclose the territorial and social context of language use in a previously unimaginable speed and depth. (I have to mention here that it would be desirable to integrate the activities of the individual workshops and to synchronize research areas.) New research areas of dialects could be opened (e.g. phoneme burdening level, phoneme frequency, semantic geography etc.). Huge databases could be constructed and permanently expanded by materials from former collections (yet available in manuscripts and printed sources): regional dialect dictionaries, regional language atlases. The Hungarian dialectology can join international research projects again.