by GRASS Development Team

GRASS GIS is a free and open source Geographic Information System (GIS) used for geospatial data management and analysis, image processing, and graphics production.

Operating system: Windows

Publisher: GRASS Development Team

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Last revision: Last week

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GRASS GIS (Geographic Resources Analysis Support System) is a powerful open source Geographic Information System (GIS) used for data management, image processing, graphics production, spatial modelling, and visualization of many types of data. It is used for a variety of applications including environmental modelling, resource management, land use planning, and many other applications.

GRASS GIS provides a powerful suite of geospatial analysis tools for processing and analyzing spatial data.

GRASS GIS contains a wide variety of features and tools that allow users to work with spatial data in a variety of ways. Some of the features include:

• Data Management: GRASS GIS allows users to manage, query, and analyze their spatial data. It includes functions for importing, exporting, and manipulating various data types, such as vector, raster, imagery, elevation, and network data.

• Spatial Analysis: GRASS GIS includes numerous tools for performing spatial analysis operations, such as terrain analysis, hydrological modelling, and point pattern analysis.

• Visualization: GRASS GIS provides an array of options for visualizing data, including 3D views and interactive maps.

• Scripting: GRASS GIS includes a scripting language for automating tasks.

• Collaboration: GRASS GIS supports collaboration between users, allowing data to be shared and edited in real time.

• Multi-platform: GRASS GIS is available for Windows, Mac OS X, and Linux.

• Open Source: GRASS GIS is open source software, meaning it is free to use and modify.

• Extensibility: GRASS GIS is highly extensible, allowing users to create their own custom tools and add-ons.


GRASS GIS is a powerful open source GIS that provides users with a wide range of features and tools for working with spatial data. It supports data management, spatial analysis, visualization, scripting, and collaboration, and is available for multiple platforms. GRASS GIS is also highly extensible, allowing users to create their own custom tools and add-ons.
GRASS GIS is a free and open source Geographic Information System (GIS) software that is used for geospatial data management and analysis. It is designed to run on multiple operating systems, including Linux, macOS, and Windows.

Minimum System Requirements:

• Processor: Intel Pentium 4 or later
• Memory: 1GB RAM
• Storage: 2GB of available hard disk space
• Graphics: 1024 x 768 resolution or better
• Operating System: Linux, Mac OS X, or Windows

Additional Recommended System Requirements:

• Processor: Intel Core 2 Duo or later
• Memory: 2GB RAM or more
• Storage: 10GB of available hard disk space
• Graphics: 1920 x 1080 resolution or better
• Operating System: Linux, Mac OS X, or Windows

Open-source, offering customizability and free of cost.
Supports raster, topological vector.
Offers diverse functions including image processing and geospatial analysis.

Can be overwhelming for beginners due to complex interface.
Lack of advanced visualization tools compared to other GIS software.
Not as widely supported or documented as some counterparts.
image/svg+xmlBotttsPablo Stanley Körner Andrew J.
I recently used the GRASS GIS software for an environmental project. I was impressed by its intuitive user interface and use of vector and raster data. I found the customization options very useful and was able to easily create detailed maps from the data. The software is also very stable and quick to use. I was able to visualize and analyze complex datasets with ease. I also found the documentation and tutorials helpful. Overall, I was very pleased with my experience using GRASS GIS.
image/svg+xmlBotttsPablo Stanley Körner Jamie C*****d
I've been using GRASS GIS for a while now and I'm quite impressed. It offers a wide range of tools and analysis options that are easy to use. The user interface is intuitive and the online tutorials are very helpful. The data processing speed is quite good too. The 3D visualization capabilities are also quite impressive.
image/svg+xmlBotttsPablo Stanley Körner Jackson W.
This software is a free and open-source geographic information system that allows for the manipulation, analysis, and visualization of geospatial data. Its main features include the ability to perform raster, vector, and image processing, as well as geospatial modeling and analysis. It also has tools for cartography and spatial data management. The software is widely used in various fields such as environmental science, agriculture, and urban planning.
image/svg+xmlBotttsPablo Stanley Körner Callum
Complex, steep learning curve but incredibly powerful.
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