johnkerl / miller
Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON
johnkerl / miller
C2FO / fast-csv
CSV parser and formatter for node
tilo / smarter_csv
Fastest end-to-end CSV ingestion for Ruby (with C acceleration). SmarterCSV auto-detects formats, applies smart defaults, and returns Rails-ready hashes for seamless use with ActiveRecord, Sidekiq, parallel jobs, and S3 pipelines — even for messy user-uploaded real-world data.
NationalGalleryOfArt / opendata
The National Gallery of Art Open Data Program
rhpaiva / cssv
CSSV is CSV data with a CSS stylesheet at the top of the same file. One plain-text file renders as a styled HTML table in any browser.
tooladda-online / csv-to-json-converter
CSV to JSON Converter — Paste, upload, drag & drop, or import CSV from a URL and get clean, valid JSON instantly — with spreadsheet preview, live validation, tree & raw views, column mapping, and batch conversion. Free on ToolAdda.online.
tooladda-online / json-to-csv-converter
JSON to CSV Converter — Paste, upload, drag & drop, or import JSON from a URL and get a clean, downloadable CSV instantly — with a tree view, spreadsheet-style CSV preview, live validation, nested-object flattening, column mapping, and TSV/Excel-compatible export. Nothing ever leaves your browser. Free on ToolAdda.online.