RabbitMQ - RabbitMQ is an open source message broker software.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
ZeroMQ - ZeroMQ is a high-performance asynchronous messaging library.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
Apache ActiveMQ - Apache ActiveMQ is an open source messaging and integration patterns server.
Microsoft Power Automate - Microsoft Power Automate is an automation platform that integrates DPA, RPA, and process mining. It lets you automate your organization at scale using low-code and AI.