QGIS
Listed on the page, you will find the most comprehensive and free sources online.
QGIS - Free and Open Source Geographic Information System to create, edit, visualise, analyse and publish geospatial information on Windows, Mac, Linux, BSD (Android coming soon).
Introduction
Tutorials
- QGIS Quickstart
- QGIS 3.4 shortcuts guide
- Tips for Creating ArcGIS-like Symbology in QGIS
- How to add Google Maps layers in QGIS 3
- Creating a statistical dot density map with QGIS
- Geocoding Addresses Tutorial
- Using Python and QGIS for geospatial visualizations - a Case Study
- Spatial Queries
- Video
Plugins
- Qweetgis — QGIS 3 plugin for Twitter
- OpenRouteService API’s
- MMQGIS
- Time Manager
- 3D features in QGIS 3.4
- Splitting trajectories by date
- MXD to QGIS
- InaSAFE
- QGIS basemaps
Tools
Useful sources in Italian
- Help for calculator functions of QGIS fields
- Qgis4dummies
- QGIS and layered PDF printing
- QGIS, reports, modules and widgets, illustrated with a simple use case
- Come raccogliere dati geolocalizzati
Medium
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3D