Python Natural Language Processing Library -- (Note: pynlpl is pronounced as: pineapple). In addition to generic algorithms and data structures for NLP, PyNLPl also contains modules for a wide variety of NLP tasks, such as parsers for various file formats common in Dutch Computational Linguistics, such as FoLiA, D-Coi, SoNaR, Tadpole/Frog, Timbl.