-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Pulsar is great but also a heavy install. There are lots of messaging products now and I would recommend NATS as the best 1:1 replacement of RabbitMQ if you need a message broker with advanced routing: https://nats.io/
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.