csv
A mature CSV toolset with simple api, full of options and tested against large datasets.
csv-parse
CSV parsing implementing the Node.js `stream.Transform` API
json-2-csv
A JSON to CSV and CSV to JSON converter that natively supports sub-documents and auto-generates the CSV heading.
papaparse
Fast and powerful CSV parser for the browser that supports web workers and streaming large files. Converts CSV to JSON and JSON to CSV.