Azure Service Bus vs MSMQ: What are the differences?
Azure Service Bus: Reliable cloud messaging as a service (MaaS) *. It is a cloud messaging system for connecting apps and devices across public and private clouds. You can depend on it when you need highly-reliable cloud messaging service between applications and services, even when one or more is offline; *MSMQ:** A technology for asynchronous messaging. This technology enables applications running at different times to communicate across heterogeneous networks and systems that may be temporarily offline. Applications send messages to queues and read messages from queues.
Azure Service Bus and MSMQ belong to "Message Queue" category of the tech stack.
According to the StackShare community, Azure Service Bus has a broader approval, being mentioned in 11 company stacks & 8 developers stacks; compared to MSMQ, which is listed in 3 company stacks and 6 developer stacks.