Tufts has tutorials on many different GIS topics, ranging from basic GIS mapping skills to working with raster data and the census.

This is a link to data and exercises that accompany the book, GIS Guide to Public Domain Data (call # G70.217.G46 K47 2012).
The exercise topics include site selection, analyzing natural disasters and their impact, and land use.

The Geospatial Historian is a tutorial-based open access textbook, modeled on the Programming Historian, for historical scholars and digital humanists. It is designed to teach practical digital mapping and GIS skills that are immediately useful to real research needs.

Projection Wizard is a web application that helps cartographers select an appropriate projection for their map.

A quick 1 minute video explaining map projections.

Test out various color schemes for your map. Click Export at the bottom of the map to download a color tool that can be used in ArcMap.

Helps you choose colors for palettes, single hue and divergent colors.

Test out map fonts. They can be downloaded as an Adobe Illustrator template.

List of principles to promote good map design

A list of helpful map design resources from Britain's national mapping authority. This post lists several online resources that can help with your latest map design; from choosing the right color palette to selecting great fonts. Some of these resources are specific to map-making and some are more general. They are not tools for making maps but tools to help with the map design process.

Blog post from Datawrapper on how to chose the appropriate scale and color scheme.

This series of 4 videos will show you how to download census data from Social Explorer and join it with census boundary files using ArcGIS Pro.

This tool returns the Lat/Long of address locations using the Bing Maps geocoding service. You may need to chunk the addresses into batches of 500 to prevent the tool from timing out.

These services are provided free of charge in allotments of 2500 transactions. TAMU asks that you cite them in your work and/or add a link to them on your website.

The Census Geocoder is an address look-up tool that converts your address to an approximate coordinate (latitude/longitude) and returns information about the address range that includes the address and the census geography the address is within. You can submit up to 10,000 addresses at a time. Only includes US addresses.

Geocode up to 2500 addresses in a 24hr period.

Use the geocoding plugin in QGIS, a free, open-source GIS software. You can choose from OpenStreetMap data or Google, which has a limit of 2500 addresses a day.

US and Canadian addresses; 2500/day for free and $.50 for each 1000 after that

Links from ESRI to videos, tutorials, presentations and documentation.

A guide with a quick summary of industry applications, tools & technologies, and degree programs. It also includes a list of geospatial information resources (job sites, organizations, conferences, etc.).

Free, online classes hosted by ESRI on the ArcGIS platform.