ZeroMQ - ZeroMQ is a high-performance asynchronous messaging library.

Netumo - Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

RabbitMQ - RabbitMQ is an open source message broker software.

AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.

NSQ - A realtime distributed messaging platform.

RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems