osiegmar/FastCSV

Full featured CSV parser with simple api and tested against large datasets.

CSV Reader/Writer for Scala

A faster CSV parser in 5KB (min)

Fast. Easy. Done. Processing spreadsheets without worrying about large files causing OOM.

World's Fastest .NET CSV Parser. Modern, minimal, fast, zero allocation, reading and writing of separated values (`csv`, `tsv` etc.). Cross-platform, trimmable and AOT/NativeAOT compatible with blazing fast SIMD vectorized parsing.

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.

Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input

Library to help reading and writing CSV files

CSV parser and formatter for node