EZB = Elektronische Zeitschriftenbibliothek
The EZB contains links to more than 150,000 journals, which, according to the availability of full texts, are distinguished by a color icon.
"Green" magazines with freely available full texts are over 50,000, see also Directory of Free Access Journals. "Red" magazines provide abstracts, in some cases also full text articles from older numbers, which will appear after opening a journal entry.
Journals are divided into categories of subjects, you can also use their alphabetical list and a form with several criteria for searching.
The EZB can work in the German and English interfaces.