1.nats-io / nats-server
High-Performance server for NATS.io, the cloud and edge native messaging system.
- go
- golang
- messaging
- message-bus
- message-queue
- cloud-native
- +9 more
+659 stars
from 20,335 · score 6.49
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
32 repositories by Attention Score · Aug 6, 2026 – Nov 3, 2026 (UTC)
2.centrifugal / centrifugo
Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.
+385 stars
from 10,561 · score 5.96
3.pgmq / pgmq
A lightweight message queue. Like AWS SQS and RSMQ but on Postgres.
+328 stars
from 5,045 · score 5.80
4.emqx / emqx
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
+327 stars
from 16,553 · score 5.79
5.eclipse-mosquitto / mosquitto
Eclipse Mosquitto - An open source MQTT broker
+262 stars
from 11,066 · score 5.57
6.rabbitmq / rabbitmq-server
Open source RabbitMQ: core server and tier 1 (built-in) plugins
+200 stars
from 13,754 · score 5.30
7.apache / rocketmq
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
- rocketmq
- cloud-native
- eventing
- java
- messaging
- streaming
- +1 more
+157 stars
from 22,492 · score 5.06
8.apache / pulsar
Apache Pulsar - distributed pub-sub messaging system
- pulsar
- pubsub
- messaging
- streaming
- queuing
- event-streaming
+89 stars
from 15,263 · score 4.50
9.nanomq / nanomq
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
- mqtt
- mqtt-broker
- iot-edge
- nng
- aio
- actor-model
- +14 more
+87 stars
from 2,568 · score 4.48
10.dunglas / mercure
🪽 An open, easy, fast, reliable and battery-efficient solution for real-time communications
- api
- web-api
- server-sent-events
- subscriptions
- golang
- hypermedia
- +10 more
+72 stars
from 5,285 · score 4.29
11.nsqio / nsq
A realtime distributed messaging platform
+62 stars
from 25,712 · score 4.14
12.mochi-mqtt / server
The fully compliant, embeddable high-performance Go MQTT v5 server for IoT, smarthome, and pubsub
+56 stars
from 1,904 · score 4.04
13.frain-dev / convoy
The Cloud Native Webhooks Gateway
- webhooks
- convoy
- golang
- automation
- cli
- cloud
- +12 more
+51 stars
from 2,837 · score 3.95
14.cloudamqp / lavinmq
Ultra quick message queue and streaming server
- message-queue
- server
- amqp
- background-jobs
- job-queue
- message-broker
- +3 more
+51 stars
from 980 · score 3.95
15.softwaremill / elasticmq
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
- scala
- sqs-interface
- elasticmq
- amazon-sqs
- aws
- aws-sqs
- +1 more
+48 stars
from 2,905 · score 3.89
16.vernemq / vernemq
A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases. The VerneMQ mission is active & the project maintained. Thank you for your support!
- mqtt
- m2m
- scalable
- broker
- erlang
- distributed
- +13 more
+39 stars
from 3,607 · score 3.69
+35 stars
from 1,036 · score 3.58
18.thingsboard / tbmq
The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.
+30 stars
from 746 · score 3.43
19.bloomberg / blazingmq
A modern high-performance open source message queuing system
+24 stars
from 3,197 · score 3.22
20.moscajs / aedes
Barebone MQTT broker that can run on any stream server, the node way
+23 stars
from 1,957 · score 3.18
21.wind-c / comqtt
A lightweight, high-performance go mqtt server(v3.0|v3.1.1|v5.0) supporting distributed cluster
- golang
- mqtt
- iot
- cluster
- distributed
- golang-library
- +9 more
+23 stars
from 1,162 · score 3.18
+20 stars
from 2,442 · score 3.04
23.apache / eventmesh
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
- esb
- event-driven
- event-mesh
- event-governance
- cloud-native
- serverless
- +11 more
+19 stars
from 1,740 · score 3.00
+17 stars
from 2,446 · score 2.89
25.emitter-io / emitter
High performance, distributed and low latency publish-subscribe platform.
- pubsub
- networking
- emitter
- mqtt
- mqtt-broker
- realtime
- +4 more
+10 stars
from 4,001 · score 2.40
26.hivemq / hivemq-community-edition
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
+10 stars
from 1,203 · score 2.40
27.DrmagicE / gmqtt
Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.x and V5 in golang
- mqtt
- mqtt-broker
- mqtt-protocol
- mqtt-server
- server
- gmqtt
- +1 more
+9 stars
from 1,044 · score 2.30
28.allegro / hermes
Fast and reliable message broker built on top of Kafka.
+9 stars
from 864 · score 2.30
+3 stars
from 4,380 · score 1.39
30.weyoss / redis-smq
RedisSMQ: A high-performance Redis message queue for Node.js
- redis
- background-jobs
- brokers
- dead-letter-queue
- delayed-jobs
- distributed-systems
- +14 more
+3 stars
from 668 · score 1.39
31.killme2008 / Metamorphosis
A high available,high performance distributed messaging system.
+2 stars
from 1,326 · score 1.10
32.crossbario / crossbar
Crossbar.io - WAMP application router
+1 stars
from 2,060 · score 0.69