Top 20 NuGet sharepoint2013 Packages

Core CSOM extension methods for SharePoint 2013 add-in model development. This will increase productivity of the developers by abstracting complex operations.
Appenders for SharePoint 2010 and 2013 as SSOM version only, for SharePoint 2019 and SharePoint Online as CSOM version only.
[DEPRECATED - Please use the SharePointPnPCore2013 package. Assemblies will be dropped in September] Office 365 Patterns & Practices Core CSOM extension methods for SharePoint app model development in SharePoint 2013.
log4net SharePoint 2013 Appender
Utils class for the real-time Uls Log parser. Contains the LogEntry class and the ULSHub class.