https://www.tidytextmining.com/
https://www.kaggle.com/therohk/million-headlines/home

Packages
stringr
dplyr
tidyr
tidytext

purrr ?
*readr


topicmodels -- LDA
LDAvis + lda -- LDA + visualization
tm
mallet


udpipe -- grammar

wordcloud -- wordclouds

sentimentr -- sentiment