panthera

The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data :bar_chart:

A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: http://trello.com/b/8txSM12G/roadmap

Modin: Scale your Pandas workflows by changing a single line of code

cuDF - GPU DataFrame Library

Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second ?

Apache DataFusion SQL Query Engine

Danfo.js is an open source, JavaScript library providing high performance, intuitive, and easy to use data structures for manipulating and processing structured data.

Mimesis is a robust data generator for Python that can produce a wide range of fake data in multiple languages.

Java dataframe and visualization library

Koalas: pandas API on Apache Spark