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Top 9 C CSV Projects
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StringZilla
Up to 10x faster strings for C, C++, Python, Rust, Swift & Go, leveraging NEON, AVX2, AVX-512, SVE, & SWAR to accelerate search, hashing, sort, edit distances, and memory ops 🦖
Project mention: SIMD-friendly algorithms for substring searching | news.ycombinator.com | 2025-06-14Hi Austin! Was just checking your blog and the vowels detection post (< https://austinhenley.com/blog/vowels.html>).
What exactly do you mean by “use SIMD directly without calling out to another language”?
In some way Assembly will probably anyways be another language… but that’s a technicality.
I guess the spectrum of SIMD-related work in relation to Python is quite broad. There are projects like PeachPy, to help one write x86 Asm in Python, new Python’esque languages like Mojo, or SIMD libraries with thin CPython bindings. Do you mean one of those?
PS: I’m in the last camp. And in case you are focused on ASCII, for vowel search, have you tried StringZilla’s `find_first_of` (< https://github.com/ashvardanian/StringZilla/blob/960967d78c7...>)? I think it should perform well ;)
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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csvquote
Enables common unix utlities like cut, awk, wc, head to work correctly with csv data containing delimiters and newlines
Project mention: Csvquote – smart and simple CSV processing on the command line | news.ycombinator.com | 2024-09-26 -
Haven't yet seen any of these beat https://github.com/liquidaty/zsv when real-world constraints are applied (e.g. we no longer assume that line ends are always \n, or that there are no dbl-quote chars, embedded commas/newlines/dbl-quotes). And maybe under the artificial conditions as well.
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ExternData
:page_facing_up: Modelica library for data I/O of CSV, INI, JSON, MATLAB MAT, SSV, TIR, Excel XLS/XLSX and XML files
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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csv-converter
The CSV TO CSV CONVERTER will change the current separator of your .csv files to any other character you desire, without corrupting data inside of "", and with only one simple terminal command!
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C CSV discussion
C CSV related posts
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Csvquote – smart and simple CSV processing on the command line
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Data Science at the Command Line, 2nd Edition (2021)
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Perl first commit: a “replacement” for Awk and sed
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csvquote – smart and simple CSV processing on the command line
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Converting my new code (Bytearray2Float64) into 19 Programming Language
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csvkit: Command-line tools for working with CSV
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A command line tool that draw plots on the terminal
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A note from our sponsor - Stream
getstream.io | 8 Jul 2025
Index
What are some of the best open-source CSV projects in C? This list will help you:
# | Project | Stars |
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1 | StringZilla | 2,613 |
2 | csvquote | 447 |
3 | zsv | 230 |
4 | ExternData | 79 |
5 | csv-nix-tools | 31 |
6 | Erlang NIF CSV parser and writer | 10 |
7 | tree-sitter-csv | 9 |
8 | csv-converter | 5 |
9 | mkmcsv | 2 |