Serilog - Backend Development and Utilities
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
log4net - log4net is a tool to help the programmer output log statements to a variety of output targets.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Logary - Professional logging metrics and analytics for your apps
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.