istSOS is an OGC SOS server implementation written in Python. istSOS allows for managing and dispatch observations from monitoring sensors according to the Sensor Observation Service standard.

ncWMS publishes multi-dimensional data (such as environmental and weather data) as an OGC compliant Web Map Service (WMS). ncWMS quickly and efficiently extracts the map images from the very the large data files typically associated with environmental data.

EOxServer is a Python application and framework for presenting Earth Observation (EO) data and metadata.

EOxServer implements the OGC Implementation Specifications EO-WCS, EO-WMS and WPS on top of MapServer's WCS and WMS implementations.

SAGA is a Geographic Information System (GIS) software

World Wind is a free, open source API for a virtual globe. It provides a rich set of features for displaying and interacting with geographic data and representing a wide range of geometric objects.

Cesium is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin. It uses WebGL for hardware-accelerated graphics, and is cross-platform, cross-browser, and tuned for dynamic-data visualization.

Cartaro is the web mapping platform that brings the power of the best open source geospatial components into a content management system.

TileMill is a modern map design studio powered by Node.js and Mapnik.

(JavaScript library used in OpenStreetMap)

PyWPS enables integration, publishing and execution of Python processes via the WPS standard.