Top 7 data-format Open-Source Projects

lance

10 3,256 9.8 Rust

Modern columnar data format for ML and LLMs implemented in Rust. Convert from parquet in 2 lines of code for 100x faster random access, vector index, and data versioning. Compatible with Pandas, DuckDB, Polars, Pyarrow, with more integrations coming..

Project mention: The Nimble File Format by Meta | news.ycombinator.com | 2024-04-25

ron

24 3,128 7.6 Rust

Rusty Object Notation

Project mention: XML is better than YAML | news.ycombinator.com | 2023-09-20

Whenever this kind of arguments come up, I am sad that RON (https://github.com/ron-rs/ron) is not better known. To me it feels like a cleaner and better JSON.
In any case, my little experience with it had made me hate YAML. Generally speaking, I have come to dislike any language with significant whitespace other than Haskell.

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
cson

1 1,334 5.7 CoffeeScript

CoffeeScript-Object-Notation. Same as JSON but for CoffeeScript objects.
chepy

6 831 8.2 Python

Chepy is a python lib/cli equivalent of the awesome CyberChef tool.
lasio

1 334 3.9 Lasso

Python library for reading and writing well data using Log ASCII Standard (LAS) files
fleece

2 309 7.1 C++

A super-fast, compact, JSON-equivalent binary data format

Project mention: fleece: A super-fast, compact, JSON-equivalent binary data format | /r/programming | 2023-12-06

spss-converter

1 8 0.0 Python

A simple utility that converts SPSS data to / from Pandas DataFrames, CSV, Excel, JSON, YAML, and dict.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).