🎒 Token-Oriented Object Notation (TOON) – JSON for LLM prompts at half the tokens. Official spec & TypeScript implementation.
- Updated
Nov 1, 2025 - TypeScript
🎒 Token-Oriented Object Notation (TOON) – JSON for LLM prompts at half the tokens. Official spec & TypeScript implementation.
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, and PyTorch with more integrations coming..
High performance data store solution
CoffeeScript-Object-Notation. Same as JSON but for CoffeeScript objects.
Chepy is a python lib/cli equivalent of the awesome CyberChef tool.
Python library for reading and writing well data using Log ASCII Standard (LAS) files
A super-fast, compact, JSON-equivalent binary data format
A Python API for working with Neurodata stored in the NWB Format
STON - Smalltalk Object Notation - A lightweight text-based, human-readable data interchange format for class-based object-oriented languages like Smalltalk.
EDN parser and generator that works with plain JS data, with support for TS and node streams
Just Data. Save up to 85% network bandwidth and storage.
Python library for working with OMF files
Parse and write environment files with Node.js
Data format specification schema for the NWB neurophysiology data format
PEtab - an SBML and TSV based data format for parameter estimation problems in systems biology
A human readable object notation / serialization format that syntactic similar to Rust and completely supports Serde's data model.
Python API for geoh5, an open file format for geoscientific data.
Add a description, image, and links to the data-format topic page so that developers can more easily learn about it.
To associate your repository with the data-format topic, visit your repo's landing page and select "manage topics."