Project Summary
GRASS GIS, commonly referred to as GRASS (Geographic Resources Analysis Support System), is a free Geographic Information System (GIS) software used for geospatial data management and analysis, image processing, graphics/maps production, spatial modeling, and visualization. GRASS GIS is currently used in academic and commercial settings around the world, as well as by many governmental agencies and environmental consulting companies. GRASS GIS is an official project of the Open Source Geospatial Foundation (OSGeo).
In a Nutshell, GRASS GIS...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 244 years of effort (COCOMO model)
starting with its first commit in April, 2008
ending with its most recent commit 2 days ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
30 Day SummaryJul 31 2025 — Aug 30 2025
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12 Month SummaryAug 30 2024 — Aug 30 2025
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Static Analysis ( Generated by Coverity Scan for grass )
Repository URL: https://github.com/OSGeo/grass
Version: 8.5.0dev-f16cd65
- 2025-08-30
- Last Analyzed
- 671,491
- Lines of Code Analyze
- 1.64
- Defect Density
Defects by status for current build
- 2,566
- Total defects
- 1,098
- Outstanding
- 1,463
- Fixed