GIS

Software

• Open Source Software:

  • QGIS: Popular open-source GIS software with extensive documentation and tutorials. (QGIS)
  • GRASS GIS: Advanced tools for geospatial data analysis. (GRASS GIS)
  • GDAL/OGR: A library for reading and writing raster and vector geospatial data formats. (GDAL)
  • GeoServer: Open-source server for sharing geospatial data. (GeoServer)
  • Maperitive (free but not open source): a desktop app for drawing maps based on OpenStreetMap and GPS data. You can define what gets on the map and how it is painted. You can also export these maps into bitmaps and SVG files and print them.

• Commercial Software:

  • ArcGIS: Comprehensive GIS software by Esri, widely used in industry. (ArcGIS)
  • MapInfo Pro: GIS software for business and location analytics. (MapInfo Pro)

• Web-based:

  • Overpass Turbo is a powerful web-based tool for querying and visualizing data from OpenStreetMap (OSM) using the Overpass API.
  • Scottgruber/web-maps-workshop - tutorial that covers Leaflet, OpenStreetMap, MapBox and GeoJSON
  • MapHub - create maps with data overlays - accepts KML, GeoJSON, XLS, CSV, Shapefiles

Data Repositories

• OpenStreetMap (OSM): Free geographic data. Crowd-sourced so some things can be out of date.
  • OpenStreetMap Wiki
  • Tags
• Natural Earth: Public domain map data for creating maps.
• USGS Earth Explorer: Satellite imagery and aerial photography.
• NASA Earthdata: Remote sensing and environmental data.
• Data.gov: Open government data, including geospatial datasets.
• Geonames: Database of place names and geographic features.
• OpenRailwayMap
• LADot Transit Map