OldSlavNet is a generic pre-modern Slavic dependency parser, described in:
@article{oldslavnet,
title={OldSlavNet: A scalable Early Slavic dependency parser trained on modern language data},
author={Pedrazzini, Nilo and Eckhoff, Hanne M.},
journal={Software Impacts},
pages={100063},
year={2021},
}
Version 3.0.0 has simplified the parser’s configuration and usage.