Polars is a highly performant DataFrame library for manipulating structured data. The core is written in Rust, but the library is also available in Python. Its key features are:
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- BSD
- Python


viper-df is described as 'Viper is a Python package that provides a simple, expressive way to work with data. It allows you to easily manipulate and transform data using a pipeline syntax similar to that of dplyr' and is an app in the development category. There are 2 alternatives to viper-df for Mac, Windows, Linux, BSD and Python. The best viper-df alternative is Polars, which is both free and Open Source.
Polars is a highly performant DataFrame library for manipulating structured data. The core is written in Rust, but the library is also available in Python. Its key features are:


Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more.