Note: this page is only a draft, but this project is hosted on a public repository where anyone can contribute. Learn how to contribute in less than a minute.
ArcMap & ArcCatalog
ArcMap and ArcGIS Pro, the two primary desktop applications for GIS professionals, are both part of ArcGIS Desktop. ArcMap and its companion application, ArcCatalog, as well as ArcGlobe and ArcScene, work together to provide a full spectrum of GIS capabilities.
Table of contents
https://learn.arcgis.com/en/projects/get-started-with-arcmap/
Extend ArcMap & ArcCatalog
ArcObjects .NET SDK Extend ArcMap
Build custom add-ins for ArcMap and ArcCatalog. Develop stand-alone applications with ArcObjects. Extend ArcObjects and build custom components that integrate into the framework.
http://desktop.arcgis.com/en/arcmap/latest/analyze/python/a-quick-tour-of-python.htm
https://community.esri.com/community/developers https://community.esri.com/community/developers/gis-developers/python
https://community.esri.com/community/developers/gis-developers/arcobjects-sdk
https://community.esri.com/groups/arcobjectsnet
Additional resources
Probably not all the resources are in this list, please use the ArcGIS Search tool looking for: "ArcMap OR ArcCatalog".
Related products or technologies
List of all Esri products in the "Esri Products - ArcGIS Platform" group
Contributions
Feel free to improve/extend this resource page using this template (Contribution Guide).