Superset provides:

A no-code interface for building charts quickly
A powerful, web-based SQL Editor for advanced querying
A lightweight semantic layer for quickly defining custom dimensions and metrics
Out of the box support for nearly any SQL database or data engine
A wide array of beautiful visualizations to showcase your data, ranging from simple bar charts to geospatial visualizations
Lightweight, configurable caching layer to help ease database load
Highly extensible security roles and authentication options
An API for programmatic customization
A cloud-native architecture designed from the ground up for scale