ActiveMQ vs Mosquitto: What are the differences?
Developers describe ActiveMQ as "A message broker written in Java together with a full JMS client". Apache ActiveMQ is fast, supports many Cross Language Clients and Protocols, comes with easy to use Enterprise Integration Patterns and many advanced features while fully supporting JMS 1.1 and J2EE 1.4. Apache ActiveMQ is released under the Apache 2.0 License. On the other hand, Mosquitto is detailed as "An open source message broker that implements the MQTT protocol". It is lightweight and is suitable for use on all devices from low power single board computers to full servers.. The MQTT protocol provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for Internet of Things messaging such as with low power sensors or mobile devices such as phones, embedded computers or microcontrollers.
ActiveMQ and Mosquitto can be primarily classified as "Message Queue" tools.
ActiveMQ is an open source tool with 1.51K GitHub stars and 1.05K GitHub forks. Here's a link to ActiveMQ's open source repository on GitHub.
Intuit, Wix, and SoFi are some of the popular companies that use ActiveMQ, whereas Mosquitto is used by Teleolabs, Xanview Ltd, and Future Corporation. ActiveMQ has a broader approval, being mentioned in 33 company stacks & 17 developers stacks; compared to Mosquitto, which is listed in 3 company stacks and 3 developer stacks.