Best Open Source Message Queues Tools

Open source message queues tools, ranked by score and analyzed honestly. Part of our Data & Storage coverage.

Ranked by score. Updated weekly.

1

Pulsar

85

Distributed pub-sub messaging system

15,240 ★Javapermissive
2

RabbitMQ

80

Open source message broker

13,648 ★Erlangweak-copyleft
3

Redpanda

67

Kafka-compatible streaming, 10x faster, no ZooKeeper

12,084 ★C++source-available

Explore More Categories

Best AI Agent FrameworksBest Open Source Agent FrameworksBest Open Source Claude Code & Codex SkillsBest Open Source Agent Runtimes & SandboxesBest Open Source Multi-Agent SystemsBest Python Developer ToolsBest LLM Inference ToolsBest DevOps & Infrastructure ToolsBest CLI ToolsBest Open Source MCP Servers
🤖

AI & Machine Learning

🌐

Web & Frontend

⚙️

Infrastructure & DevOps

🗄️

Data & Storage

🔧

Developer Tools

🔒

Security & Auth

📊

Observability

🏠

Self-Hosted & Apps