markov-json
simplest markov chain reader/writer/exporter
react-papaparse
The fastest in-browser CSV (or delimited text) parser for React. It is full of useful features such as CSVReader, CSVDownloader, readString, jsonToCSV, readRemoteFile, ... etc.
pdf-parser-client-side
A lightweight easy to use package to parse text from PDF files on client side without any server dependency.