ManageEngine RecoveryManager Plus - RecoveryManager Plus is one such enterprise backup solution which has the ability to easily backup and restores both the domain controllers and virtual machines.

Serilog - Backend Development and Utilities

Heroku Enterprise - Heroku Enterprise is a flexible IT management for developers that lets them build apps using their preferred languages and tools like Ruby, Java, Python and Node.

Logmatic - Logmatic is a log centralization, analytics & visualization platform to improve software & business performance.

SECDO - SECDO offers automated endpoint security and incident response solutions

log4net - log4net is a tool to help the programmer output log statements to a variety of output targets.