1.mholt / PapaParse
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
+180 stars
from 13,411 · score 5.20
Trending repositories
Ranked by Attention Score: stars gained over the last 180 complete days
15 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
2.vincentlaucsb / csv-parser
A modern C++ CSV parser and serializer that doesn't make you choose between ease of use or performance.
+64 stars
from 1,072 · score 4.17
3.chitralabs / sheetz
Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.
+59 stars
from 7 · score 4.09
4.nietras / Sep
One of the World's Fastest .NET CSV Parsers. 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.
+48 stars
from 1,434 · score 3.89
5.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.
+37 stars
from 1,515 · score 3.64
6.d99kris / rapidcsv
C++ CSV parser library
+33 stars
from 1,047 · score 3.53
7.liquidaty / zsv
zsv+lib: tabular data swiss-army knife CLI + world's fastest (simd) CSV parser
+29 stars
from 386 · score 3.40
8.osiegmar / FastCSV
Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j.
+22 stars
from 672 · score 3.14
9.jszwec / csvutil
csvutil provides fast and idiomatic mapping between CSV and Go (golang) values.
+14 stars
from 1,023 · score 2.71
10.p-ranav / csv2
Fast CSV parser and writer for Modern C++
+7 stars
from 618 · score 2.08
11.dehesa / CodableCSV
Read and write CSV files row-by-row or through Swift's Codable interface.
+5 stars
from 479 · score 1.79
12.ashtum / lazycsv
A fast, lightweight and single-header C++ csv parser library
+4 stars
from 93 · score 1.61
13.Appendium / flatpack
CSV/Tab Delimited and Fixed Length Parser and Writer
+4 stars
from 61 · score 1.61
14.tidyverse / vroom
Fast reading of delimited files
+2 stars
from 641 · score 1.10
15.ws-garcia / VBA-CSV-interface
The power you need to cleanse, filter, sort, reshape, manage and analyze data from CSV files.
+2 stars
from 82 · score 1.10