Curated by Start4IT

Free Data & Tools for GIS & Remote Sensing

A single landing page to access free satellite imagery, digital maps, GIS tools, and ready-to-use Google Earth Engine scripts. Explore, download, and start building your next geospatial project in minutes.

DATA • SATELLITE IMAGERY

Free Satellite Imagery (Global)

Discover curated links to open satellite collections (Sentinel, Landsat, and more) with ready filters for date, cloud cover, and area of interest.

Ideal for: land cover mapping, NDVI, urban expansion, water detection.

DATA • VECTOR

Digital Road Maps for Cities

Download ready-to-use road layers (street networks and main routes) in common GIS formats for routing, network analysis, and urban planning.

Ideal for: transport analysis, accessibility, mobility studies.

DATA • URBAN LAYERS

Digital Maps for Cities

Access base layers for selected cities: administrative boundaries, land use, points of interest, and key facilities in standard GIS formats.

Ideal for: urban studies, site selection, master planning.

TOOLS • SOFTWARE

Free GIS Software & Utilities

A hand-picked list of free desktop and web-based GIS tools for viewing, editing, and processing spatial data without license costs.

Ideal for: students, startups, quick prototyping, teaching.

SCRIPTS • GOOGLE EARTH ENGINE

GEE Codes & Remote Sensing Indices

Ready-to-run Google Earth Engine scripts for NDVI, NDBI, NDWI and tens of other indices, with AOI drawing and direct export to GeoTIFF.

Ideal for: rapid prototyping, teaching RS, building dashboards.

LEARNING • DOCS

Guides, Examples & Tutorials

Short, practical guides that show ho w to combine the free data and tools on this page into complete GIS & Remote Sensing workflows.

Ideal for: beginners, quick refreshers, workshop material.