Dedicated platform to send and receive messages within your applications. It has simple REST API and clean web UI. It allows to control access to your queues with managed access tokens.
Cost / License
- Free
- Proprietary
Platforms
- Online


Apps similar to Apache Pulsar include Intent Bus, which is free and open source. Other options are RabbitMQ, Zenaton, Amazon Simple Queue Service and Eclipse Mosquitto. You can choose from more than 10 Task Automation Apps like Apache Pulsar for Linux, Windows, Mac, the web and self-hosting.
Dedicated platform to send and receive messages within your applications. It has simple REST API and clean web UI. It allows to control access to your queues with managed access tokens.


Celery is an asynchronous task queue/job queue based on distributed message passing. It is focused on real-time operation, but supports scheduling as well.
Spooled is a high-performance, multi-tenant job queue system designed for reliability, observability, and horizontal scalability.

Zeplo lets developers add retry, delay, queue and schedule to HTTP endpoints without setting up Redis, RabbitMQ or SQS. Just prefix any HTTP endpoint with zeplo.to/ and the request is queued.




Pub/Sub works as a messaging middleware for traditional service integration or a simple communication medium for modern microservices.