Satellite Imagery Explained: Optical vs Radar vs Thermal
Choose the wrong imagery and you waste weeks of analysis. Here's exactly which satellite type to use for floods, wildfires, deforestation and more.
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GeoInfoSpot is Africa's dedicated platform for GIS professionals, students, and researchers. Tutorials, software reviews, free datasets, conference updates — all in one place.
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Featured
What is GeoAI? The Revolutionary Fusion of GIS and Artificial Intelligence
Discover how GeoAI is transforming spatial analysis through machine learning, deep learning, and NLP — and what it means for GIS professionals in Africa.
ArcGIS Pro 3.4 Released with Enhanced GeoAI Tools
ESRI UC 2026 Registration Now Open
QGIS 3.38 — New Feature Highlights
NASA Earthdata Adds New Sentinel-2 Coverage for West Africa
Free GIS Certification — Esri Training Portal
OpenStreetMap Africa Community Mapping Sprint 2026
ArcGIS Pro 3.4 Released with Enhanced GeoAI Tools
ESRI UC 2026 Registration Now Open
QGIS 3.38 — New Feature Highlights
NASA Earthdata Adds New Sentinel-2 Coverage for West Africa
Free GIS Certification — Esri Training Portal
OpenStreetMap Africa Community Mapping Sprint 2026
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🛰️Remote Sensing
🤖GeoAI
What is GeoAI? The Revolutionary Fusion of GIS and AI
GeoAI combines machine learning and spatial science to transform how we analyse location-based data. Here's what every GIS professional needs to know.
📡GIS Analysis
10 Powerful Remote Sensing Indices in GIS
NDVI, EVI, NDWI, NDBI and more — a complete guide to the remote sensing indices used in precision agriculture, disaster management, and environmental monitoring.
🗺️Software
Comparing the Best GIS Tools: Which One Fits Your Needs?
ArcGIS, QGIS, ERDAS, AutoCAD Map 3D, Mapbox, and SuperMap — compared across scalability, pricing, and performance so you can choose the right platform.
🌐Free Data
Finding Free GIS Data: Best Open Sources in 2025
NASA Earthdata, USGS, OpenStreetMap, Natural Earth — the best places to get free geospatial datasets for any project, without paying a cent.
📊Career
5 Essential Spatial Analysis Techniques to Boost Your GIS Career
Master these five spatial analysis techniques and you'll have the skills that GIS employers in Africa's fastest-growing sectors are actively hiring for.
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GIS Software
In-depth reviews and comparisons of ArcGIS, QGIS, ERDAS, MapInfo, and every major GIS platform.
6 tools reviewed →
Remote Sensing
Satellite imagery types, remote sensing indices, spectral analysis, and real-world applications.
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Curated open-source datasets from NASA, USGS, OpenStreetMap, and African geospatial portals.
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Upcoming GIS events, workshops, and conferences across Africa, West Africa, and globally.
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Software Spotlight
Top GIS Tools
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ArcGIS Pro
Industry Standard · Paid
The gold standard for professional GIS — used by governments, oil & gas, and urban planning firms across Nigeria and West Africa.
Q
QGIS
Open Source · Free
The most powerful free GIS platform available. Used by universities, NGOs, and research institutions across Africa.
ER
ERDAS IMAGINE
Remote Sensing · Paid
The go-to platform for remote sensing and image processing professionals working with satellite and aerial imagery.
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Mapbox
Web Mapping · Freemium
The leading platform for building custom web maps and location-based applications with powerful APIs and beautiful design tools.
Free GIS Data
Open Data Sources
for Every Project
NASA Earthdata
Petabytes of satellite imagery and remote sensing data from Landsat, MODIS, and Sentinel missions. Essential for environmental monitoring in Africa.
Visit NASA Earthdata →
OpenStreetMap
The Wikipedia of maps — crowdsourced, completely free, and frequently updated. Download shapefiles, GeoJSON, or access via API for any region.
Visit OpenStreetMap →
USGS Earth Explorer
The USGS platform for downloading Landsat imagery, elevation data, and aerial photography covering Africa and the rest of the world.
Visit USGS Explorer →
Natural Earth
High-quality public domain datasets for global, regional, and country-level mapping. Perfect for cartographic presentations and reports.
Visit Natural Earth →
Copernicus Open Access
Free Sentinel-1, Sentinel-2, and Sentinel-5P satellite data from the European Space Agency. Critical for West African land use monitoring.
Visit Copernicus →
AfSIS (Africa Soils)
The Africa Soil Information Service provides free soil data across sub-Saharan Africa — vital for agriculture, urban planning, and environmental research.
Visit AfSIS →
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Checklists, templates, and reference guides for GIS professionals
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Best online courses for ArcGIS, QGIS, and remote sensing in 2026
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Free geospatial datasets organised by type, region, and use case
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Find GIS companies, consultants, and service providers across Africa