Apache Pulsar
Open-source distributed pub-sub messaging system with persistent message storage, automatic load balancing, and support for both real-time messaging and message queuing. Created at Yahoo, now part of Apache Software Foundation.
Overview
| Category | Message Queue |
| Self-Hostable | Yes |
| On-Prem | No |
| Best For | growth, enterprise |
| Last Verified | 2026-02-13 |
Strengths & Weaknesses
Strengths:- performance
- customization
- reliability
When to Use
Best when:- persistent storage needed
- both streaming and queueing
- multi-tenancy required
- geo-replication
- simple queue needs
- minimal ops capacity