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.

jmaister / excellentexport

Javascript export to Excel

tobya / DocTo

Simple command line utility for converting .doc & .xls files to any supported format such as Text, RTF, CSV or PDF

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.