Data Wrangling

DuckDB 
 DuckDB is a lightweight OLAP type database system written in C++ and designed to be used for EDA style activities: 
 
 From their website: advice on when to use and not to use DuckDB 
 Polars 
 Polars is a rust-based data frames library with Python bindings 
 
 Here is a talk that Juan Luis gave about the library