Sandglass vs VerneMQ: What are the differences?

Sandglass: Distributed, scalable, persistent time-sorted message queue. A distributed, horizontally scalable, persistent, time ordered message queue. Developed to support asynchronous tasks and message scheduling which makes it suitable for usage as a task queue; VerneMQ: VerneMQ is a distributed IoT/MQTT message broker. VerneMQ is a distributed MQTT message broker, implemented in Erlang/OTP It's open source, and Apache 2 licensed. VerneMQ implements the MQTT 3.1, 3.1.1 and 5.0 specifications..

Sandglass and VerneMQ can be primarily classified as "Message Queue" tools.

Some of the features offered by Sandglass are:

• Horizontal scalability
• Highly available
• Persistent storage

On the other hand, VerneMQ provides the following key features:

• Open Source, Apache 2 licensed
• QoS 0, QoS 1, QoS 2
• MQTT v5.0 fully implemented

Sandglass and VerneMQ are both open source tools. VerneMQ with 1.76K GitHub stars and 189 forks on GitHub appears to be more popular than Sandglass with 1.52K GitHub stars and 40 GitHub forks.