The Hanover Tagger - A simple approach to lemmatization and POS-tagging based on heuristics and hidden markov models of German morphology.
For a explanation of the underlying ideas see:
Christian Wartena (2019). A Probabilistic Morphology Model for German Lemmatization. In: Proceedings of the 15th Conference on Natural Language Processing (KONVENS 2019): Long Papers. Pp. 40-49, Erlangen.
https://corpora.linguistik.uni-erlangen.de/data/konvens/proceedings/papers/KONVENS2019_paper_10.pdf https://doi.org/10.25968/opus-1527
Please cite this paper if you use the software in your project.