Superset : Apache Superset is a modern data exploration and visualization platform
FillDB : FillDB is a free tool that lets you quickly generate large volumes of custom data in MySql format to use in testing software and populating databases ...
MyOSMatic : This is a free software web service that allows you to generate maps of cities using OpenStreetMap data. The generated maps are available in PNG, PDF ...
OpenRefine : OpenRefine is a powerful tool for working with messy data: cleaning it; transforming it from one format into another; and extending it with web servic...
Falcor : Falcor is the innovative data platform that powers the Netflix UIs. Falcor allows you to model all your backend data as a single Virtual JSON object o...
The GeoNames geographical database covers all countries and contains over eleven million placenames that are available for download free of charge.