1.mholt / PapaParse
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
+68 stars
from 13,523 · score 4.23
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
15 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.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.
+28 stars
from 38 · score 3.37
3.vincentlaucsb / csv-parser
A modern C++ CSV parser and serializer that doesn't make you choose between ease of use or performance.
+25 stars
from 1,111 · score 3.26
4.liquidaty / zsv
zsv+lib: tabular data swiss-army knife CLI + world's fastest (simd) CSV parser
+22 stars
from 393 · score 3.14
5.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.
+21 stars
from 1,461 · score 3.09
6.d99kris / rapidcsv
C++ CSV parser library
+12 stars
from 1,068 · score 2.56
7.jszwec / csvutil
csvutil provides fast and idiomatic mapping between CSV and Go (golang) values.
+6 stars
from 1,031 · score 1.95
8.osiegmar / FastCSV
Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j.
+5 stars
from 689 · score 1.79
9.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.
+4 stars
from 1,548 · score 1.61
10.TinyCsvParser / TinyCsvParser
Easy to use, easy to extend and high-performance library for CSV parsing with .NET
+4 stars
from 404 · score 1.61
11.martsinlabs / csv-pipe
Typed, zero-dependency CSV parser and encoder for TypeScript. Streams with flat memory and runs on Node, browsers, Deno, Bun, and edge.
+3 stars
from 12 · score 1.39
12.p-ranav / csv2
Fast CSV parser and writer for Modern C++
+2 stars
from 623 · score 1.10
13.ashtum / lazycsv
A fast, lightweight and single-header C++ csv parser library
+2 stars
from 95 · score 1.10
14.tidyverse / vroom
Fast reading of delimited files
+1 stars
from 642 · score 0.69
15.Appendium / flatpack
CSV/Tab Delimited and Fixed Length Parser and Writer
+1 stars
from 64 · score 0.69