CrateDB + SQLPad
Access, run, and edit connections and queries with CrateDB and SQLPad.
CrateDB is a hyper-fast opensource distributed database technology that combines the best out of the SQL and NoSQL worlds. It supports the PostgreSQL wire protocol for easy integration with many data engineering tools.
SQLPad is a self-hosted web app for writing and running SQL queries and visualizing the results. Its goal is to be a simple tool for exploratory data work and visualizations, ideal for data analysts who would prefer to work in SQL.