This is Placesmart Solutions, a division of Geodavic Inc..

Placesmart Solutions is about providing solutions to the problem of indexing, querying and visualizing information where the user is interested in finding information pertinent to a particular place or region. Placesmart Solutions leverages the following open source technologies...

Maplibre is an open source JavaScript library for displaying map data in web browsers as slippy maps. It provides an API for building rich web-based geographic applications similar to Google Maps and Bing Maps.

D3.js (or just D3 for Data-Driven Documents) is a JavaScript library for producing dynamic, interactive data visualizations in web browsers. It makes use of the widely implemented SVG, HTML5, and CSS standards.

PostgreSQL is a powerful, open source object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.

MongoDB is a popular, open-source, non-relational (NoSQL) document database used to build highly available and scalable applications. Instead of rows and columns, it stores data in flexible, JSON-like documents called BSON (Binary JSON).

Solr (pronounced "solar") is an open source enterprise search platform, whose major features include full-text search, hit highlighting, faceted search. and geo-spatial search.

React is a web application framework. It is designed to make it easy to build custom, enterprise-grade user interfaces, and enables single-page applications to be built with 100% JavaScript. This not only includes reusable UI components, but also configuration files and adapters (e.g., PostgreSQL or MongoDB database connectors).