Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
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Aug 20, 2025 - JavaScript
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csv-parser
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CSV parser and formatter for node
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Feb 13, 2026 - TypeScript
C-accelerated Ruby Gem for convenient reading and writing of CSV files. It has intelligent defaults, and auto-discovery of column and row separators. It imports CSV Files as Array(s) of Hashes, suitable for direct processing with ActiveRecord, kicking-off batch jobs with Sidekiq, parallel processing, or oploading data to S3
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Feb 15, 2026 - Ruby
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.
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Jan 20, 2026 - C#
CleverCSV is a Python package for handling messy CSV files. It provides a drop-in replacement for the builtin CSV module with improved dialect detection, and comes with a handy command line application for working with CSV files.
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Jan 12, 2026 - Python
The FileHelpers are a free and easy to use .NET library to read/write data from fixed length or delimited records in files, strings or streams
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Jun 7, 2023 - C#
A high-performance, fully-featured CSV parser and serializer for modern C++.
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Feb 15, 2026 - C++
📐 Pushing the boundaries of simplicity
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Apr 26, 2025 - C
C++ CSV parser library
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Jan 18, 2026 - C++
🕶️A curated list of awesome tools for dealing with CSV.
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Feb 25, 2025 - PowerShell
🔥 🔥 🔥Open Source & AI driven Data Onboarding Platform:Free flatfile.com alternative
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Aug 3, 2023 - JavaScript
A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON
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Jan 27, 2026 - C++
Mass processing data with a complete ETL for .net developers
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Jan 20, 2026 - C#
CSV library for Java that is fast, RFC-compliant and dependency-free. ⭐️ Star to support our work!
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Feb 2, 2026 - Java
Fast reading of delimited files
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Jan 29, 2026 - C++
Fast CSV parser and writer for Modern C++
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Dec 23, 2023 - C++
Read and write CSV files row-by-row or through Swift's Codable interface.
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Nov 17, 2023 - Swift
Easy to use, easy to extend and high-performance library for CSV parsing with .NET
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Feb 13, 2026 - C#
CSV validator, highlighter and formatter plugin for JetBrains Intellij IDEA, PyCharm, WebStorm, ...
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Jan 25, 2026 - Java
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