Data Format Python Packages

geoh5py

Python API for geoh5, an open file format for geoscientific data.

pynwb

A Python API for working with Neurodata stored in the NWB Format

toonify

Toonify: Compact data format reducing LLM token usage by 30-60%

toon-llm

Token-Oriented Object Notation (TOON) is an LLM-optimized data serialization format implemented in Python.

agent-first-data

A naming convention that lets AI agents understand your data without being told what it means.

chepy

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

hissbytenotation

Library to make it easy to use python literal syntax as a data format

dems

:truck: DESHIMA Measurement Set

mira-omf

Python library for working with OMF files, with conversion between OMF and GEOH5 files.

las-geoh5

Import/Export LAS files to/from GEOH5 format for geoscientific data

concrete

Python modules and scripts for working with Concrete, a data serialization format for NLP

demerge

:truck: DESHIMA merge code for observed datasets

flask-responsebuilder

Implementations of flask response in many formats like: json, xml, html...

pst-format

Plain Structured Text (PST)

weldx

The welding data exchange format

arkiv

Universal personal data format. JSONL in, SQL out, SQL back to JSONL. One format, one database, one query interface.

ensight-reader

A pure Python reader for the EnSight Gold format

spss-converter

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

langflow-toon

🎒 Token-Oriented Object Notation (TOON) – Compact, human-readable, schema-aware JSON for LLM prompts. Spec, benchmarks, TypeScript SDK.

tsdf

A Python library that provides methods for encoding and decoding TSDF (Time Series Data Format) data, which allows you to easily create, manipulate and serialize TSDF files in your Python code.

ison-py

🔥 🔥 Alternative to JSON 🔥 🔥

ort-python

Object Record Table - a CSV like structured data format with native object and array support.

sdif-format

Semantic Data Interchange Format. Compact, canonicalizable and token-efficient structured data

isonantic

🔥 🔥 Alternative to JSON 🔥 🔥