Quantum GIS

A free and open source tool to create, edit, visualise, analyse and publish geospatial data.

Quantum GIS is an open source Geographic Information System (GIS) that allows you to create maps and visualise spatial data.

A GIS allows you to store and analyse geographic data. Whether you want to illustrate the relief of a mountainous area, create an interactive map or show catchment areas, Quantum GIS is the tool you will need.

Download the desktop application – available for Windows, Linux and Mac – to start uploading and visualising your geographic data. Quantum GIS also offers a browser, a server and a web front end to facilitate your data viewing experience.

Quantum GIS also offers spatial analysis, including map algebra, terrain analysis, hydrologic modeling and network analysis.

More about this topic

Access to information Conflict and Power Investigating Visual Media

Hagit: DIY mapping and reclaiming the territory above our heads

Hagit talks about her mapping work with local communities, and about how aerial photography with col...
Conflict and Power Access to information Investigating Visual Media

Hagit: Photography, mapping and power

Hagit tells us how she accessed the evidence she needed (about East Jerusalem house demolitions) in ...
Investigating Visual Media Conflict and Power

Hagit: Seeing Jerusalem with new eyes

Activist and artist Hagit tells us the story of how her activism developed from childhood growing up...
Mapping

Public Lab: DIY mapping tools

A community, which develops and applies open-source tools for environmental investigation.