Manipulate JSON-like data with NumPy-like idioms.

High-performance Go package to read and write Parquet files

Yosegi is a Schema-less columnar storage format. Provide flexible representation like JSON and efficient reading similar to other columnar storage formats.

Native Dask collection for awkward arrays, and the library to use it.

Columnar type support for Rust

Data transformation framework for ETL processing with SQL-like syntax and GIS extensions, based on Apache Spark

what-you-see-is-what-you-do columnar data serialization library for java

Apache Spark based 'Dist' utility to supplement Data Cooker ETL tool

Just my Master thesis about RDF data and columnar formats

tools for collecting, compressing, and using a space-efficient columnar data format based on a document model (bson) and designed for timeseries data.