Red Arrow PyCall adds `#to_python` method to most Ruby objects for Apache Arrow such as `Arrow::Array`. Red Arrow PyCall adds `to_ruby` method to most Python objects for Apache Arrow such as `pyarrow.lib.Int8Array`.

Red Datasets Arrow adds `#to_arrow` method to each dataset in Red Datasets. You can get dataset as `Arrow::Table` object. `Arrow::Table` is provided by [Red Arrow](http://github.com/red-data-tools/red-arrow).

Gandiva is a toolset for compiling and evaluating expressions on Arrow data.

Plasma is an in-memory object store and cache for big data. red-plasma is deprecated since 10.0.0. red-plasma will not be released from Apache Arrow 12.0.0 or so.

Scalable Wisconsin Benchmark dataset generator for Arrow/Parquet.