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Tags / Data pipelines and messaging /

Message broker

A server that receives messages and routes them to consumers through queues or topics, such as RabbitMQ or NATS; not a job queue.

The 41repositories with this Tag gained +904 net stars in the last 30 days, 13% less than the 30 days before.

0 created in the last 90 days · 16 published a release in the last 30 days · 199K stars in total

All in the Repository Index On Trending

Net stars each day, last 30 days+166 last 7 days

Oct 6, 2026Nov 4, 2026

Most net stars, last 30 days

nats-io/nats-server

High-Performance server for NATS.io, the cloud and edge native messaging system.

+176

19% of the net stars of this Tag

Largest Pace, last 30 days

No other repository gained 2 or more times the net stars of the 30 days before.

Most stars, created in the last 90 days

No other repository with this Tag was created in the last 90 days.

Where the stars went, last 13 weeks

Net stars gained each week. The repositories that gained the most have their own color.

nats-io/nats-server gained 21% of the net stars of this Tag in the last 13 weeks.

nats-io/nats-server, week to Aug 12: +94 net starscentrifugal/centrifugo, week to Aug 12: +29 net starsemqx/emqx, week to Aug 12: +26 net starspgmq/pgmq, week to Aug 12: +22 net starseclipse-mosquitto/mosquitto, week to Aug 12: +19 net starsAll other repositories, week to Aug 12: +95 net starsnats-io/nats-server, week to Aug 19: +74 net starscentrifugal/centrifugo, week to Aug 19: +25 net starsemqx/emqx, week to Aug 19: +32 net starspgmq/pgmq, week to Aug 19: +17 net starseclipse-mosquitto/mosquitto, week to Aug 19: +30 net starsAll other repositories, week to Aug 19: +95 net starsnats-io/nats-server, week to Aug 26: +65 net starscentrifugal/centrifugo, week to Aug 26: +33 net starsemqx/emqx, week to Aug 26: +23 net starspgmq/pgmq, week to Aug 26: +19 net starseclipse-mosquitto/mosquitto, week to Aug 26: +18 net starsAll other repositories, week to Aug 26: +84 net starsnats-io/nats-server, week to Sep 2: +46 net starscentrifugal/centrifugo, week to Sep 2: +43 net starsemqx/emqx, week to Sep 2: +22 net starspgmq/pgmq, week to Sep 2: +26 net starseclipse-mosquitto/mosquitto, week to Sep 2: +16 net starsAll other repositories, week to Sep 2: +114 net starsnats-io/nats-server, week to Sep 9: +43 net starscentrifugal/centrifugo, week to Sep 9: +22 net starsemqx/emqx, week to Sep 9: +22 net starspgmq/pgmq, week to Sep 9: +115 net starseclipse-mosquitto/mosquitto, week to Sep 9: +14 net starsAll other repositories, week to Sep 9: +93 net starsnats-io/nats-server, week to Sep 16: +38 net starscentrifugal/centrifugo, week to Sep 16: +30 net starsemqx/emqx, week to Sep 16: +31 net starspgmq/pgmq, week to Sep 16: +21 net starseclipse-mosquitto/mosquitto, week to Sep 16: +14 net starsAll other repositories, week to Sep 16: +105 net starsnats-io/nats-server, week to Sep 23: +40 net starscentrifugal/centrifugo, week to Sep 23: +29 net starsemqx/emqx, week to Sep 23: +27 net starspgmq/pgmq, week to Sep 23: +17 net starseclipse-mosquitto/mosquitto, week to Sep 23: +29 net starsAll other repositories, week to Sep 23: +130 net starsnats-io/nats-server, week to Sep 30: +58 net starscentrifugal/centrifugo, week to Sep 30: +26 net starsemqx/emqx, week to Sep 30: +15 net starspgmq/pgmq, week to Sep 30: +12 net starseclipse-mosquitto/mosquitto, week to Sep 30: +20 net starsAll other repositories, week to Sep 30: +84 net starsnats-io/nats-server, week to Oct 7: +44 net starscentrifugal/centrifugo, week to Oct 7: +26 net starsemqx/emqx, week to Oct 7: +15 net starspgmq/pgmq, week to Oct 7: +19 net starseclipse-mosquitto/mosquitto, week to Oct 7: +18 net starsAll other repositories, week to Oct 7: +71 net starsnats-io/nats-server, week to Oct 14: +37 net starscentrifugal/centrifugo, week to Oct 14: +38 net starsemqx/emqx, week to Oct 14: +29 net starspgmq/pgmq, week to Oct 14: +11 net starseclipse-mosquitto/mosquitto, week to Oct 14: +19 net starsAll other repositories, week to Oct 14: +111 net starsnats-io/nats-server, week to Oct 21: +35 net starscentrifugal/centrifugo, week to Oct 21: +36 net starsemqx/emqx, week to Oct 21: +54 net starspgmq/pgmq, week to Oct 21: +15 net starseclipse-mosquitto/mosquitto, week to Oct 21: +24 net starsAll other repositories, week to Oct 21: +83 net starsnats-io/nats-server, week to Oct 28: +45 net starscentrifugal/centrifugo, week to Oct 28: +34 net starsemqx/emqx, week to Oct 28: +19 net starspgmq/pgmq, week to Oct 28: +20 net starseclipse-mosquitto/mosquitto, week to Oct 28: +19 net starsAll other repositories, week to Oct 28: +51 net starsnats-io/nats-server, week to Nov 4: +47 net starscentrifugal/centrifugo, week to Nov 4: +16 net starsemqx/emqx, week to Nov 4: +16 net starspgmq/pgmq, week to Nov 4: +16 net starseclipse-mosquitto/mosquitto, week to Nov 4: +28 net starsAll other repositories, week to Nov 4: +44 net stars

Compare growth

11 of 41 repositories: The newest GitHub release is more than 180 days old. A repository that never published a release is not in this list. Select a column name to change the order.

#RepositoryStarsGained, 30 daysPace
1nsqio/nsq

A realtime distributed messaging platform

26K+16–
2emitter-io/emitter

High performance, distributed and low latency publish-subscribe platform.

4K+4–
3softwaremill/elasticmq

In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.

3K+11–
4mochi-mqtt/server

The fully compliant, embeddable high-performance Go MQTT v5 server for IoT, smarthome, and pubsub

2K+24–
5apache/eventmesh

EventMesh is a new generation serverless event middleware for building distributed event-driven applications.

1.8K+4–
6DrmagicE/gmqtt

Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.x and V5 in golang

1.1K+5–
7zalando/nakadiarchived

A distributed event bus that implements a RESTful API abstraction on top of Kafka-like queues

9650–
8jcuga/golongpoll

golang long polling library. Makes web pub-sub easy via HTTP long-poll servers and clients :smiley: :coffee: :computer:

666+1–
9wso2/product-ei

An open source, a high-performance hybrid integration platform that allows developers quick integration with any application, data, or system.

403+4–
10Comcast/cmbarchived

This project is no longer actively supported. It is made available as read-only. A highly available, horizontally scalable queuing and notification service compatible with AWS SQS and SNS

274––
11tenzir/threatbusarchived

🚌 Threat Bus – A threat intelligence dissemination layer for open-source security tools.

271+1–

Faster than the 30 days before

Net stars of the last 30 days are 2 or more times those of the 30 days before.

No repository with this Tag meets this rule now.

Slower than the 30 days before

Net stars of the last 30 days are 50% or less of those of the 30 days before.

No repository with this Tag meets this rule now.

New in the last 90 days

Created on GitHub in the last 90 days.

No repository with this Tag meets this rule now.

Older than 2 years, still releasing

Created more than 2 years ago, with a push in the last 7 days and a GitHub release in the last 30 days.

  1. nats-io/nats-server21K · release 2 days ago
  2. emqx/emqx17K · release 19 days ago
  3. apache/pulsar15K · release 9 days ago
  4. rabbitmq/rabbitmq-server14K · release 16 days ago
  5. centrifugal/centrifugo11K · release 13 days ago
All 11 in the table

Last release more than 180 days ago

The newest GitHub release is more than 180 days old. A repository that never published a release is not in this list.

  1. nsqio/nsq26K · release 2 years ago
  2. emitter-io/emitter4K · release 2 years ago
  3. softwaremill/elasticmq3K · release 7 months ago
  4. mochi-mqtt/server2K · release last year
  5. apache/eventmesh1.8K · release 10 months ago
All 11 in the table

Top GitHub topics with this Tag

Primary languages

How a repository gets this Tag

An agent reads the description, the GitHub topics, and the start of the README of each repository. It chooses Tags only from the Tag list in the AwesomeRepos source code. For each Tag, it quotes the text. A code check keeps the Tag only when the quote is in that text. The page of each repository shows the quote of each of its Tags. A Tag does not rank repositories. It does not say that one repository can replace another. To report a wrong Tag, use "Report a problem with this page" on the page of the repository.

How the numbers are counted

All numbers come from the Star History of the repositories that have the Tag now. A period is a run of complete UTC days. All numbers on this page count only the repositories that AwesomeRepos shows in lists. A machine computes them each hour.

For each repository, a period counts only when Star History has each of its days, or when the repository was created in the period. Otherwise the table shows "–". The bars of a week with no complete data are grey.

The Pace is the net stars of a period divided by the net stars of the period before. It shows only when Star History covers each day of the period before, with at least 3 net stars a day on average.

The chart at the top adds up the net stars of all the repositories with the Tag. A rising Admission comes into the Repository Index because it gained stars quickly. Its Star History before its Admission comes from the Repository Host. Thus the days before many rising Admissions are higher than they were for the repositories in the index at that time.

The releases are the GitHub releases of each repository. The lists and the table do not rank repositories, and they do not say that one repository can replace another.