1.permissionlesstech / bitchat
bluetooth mesh chat, IRC vibes
+220 stars
from 36,829 · score 5.40
Trending repositories
Ranked by Attention Score: stars gained over the last 7 complete days
39 repositories by Attention Score · Oct 27, 2026 – Nov 2, 2026 (UTC)
2.crmne / zapfast
ZapFast: a fast, native WhatsApp client in Rust and egui
+147 stars
from 2,215 · score 5.00
3.nats-io / nats-server
High-Performance server for NATS.io, the cloud and edge native messaging system.
+56 stars
from 20,923 · score 4.04
4.simplex-chat / simplex-chat
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
+28 stars
from 19,596 · score 3.37
5.apache / iggy
Apache Iggy: Hyper-Efficient Message Streaming at Laser Speed
+26 stars
from 5,204 · score 3.30
6.eclipse-mosquitto / mosquitto
Eclipse Mosquitto - An open source MQTT broker
+25 stars
from 11,295 · score 3.26
7.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.
+20 stars
from 10,921 · score 3.04
8.openimsdk / open-im-server
IM Chat OpenClaw
+17 stars
from 16,724 · score 2.89
9.emqx / emqx
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
+14 stars
from 16,859 · score 2.71
10.rabbitmq / rabbitmq-server
Open source RabbitMQ: core server and tier 1 (built-in) plugins
+12 stars
from 13,940 · score 2.56
11.zeromq / libzmq
ZeroMQ core engine in C++, implements ZMTP/3.1
+12 stars
from 11,032 · score 2.56
12.tinode / chat
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
+11 stars
from 13,536 · score 2.48
13.containrrr / shoutrrr
Notification library for gophers and their furry friends.
+9 stars
from 1,702 · score 2.30
14.nanomq / nanomq
An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV
+6 stars
from 2,647 · score 1.95
15.aeron-io / aeron
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
+5 stars
from 8,935 · score 1.79
16.onetimesecret / onetimesecret
Keep passwords and other sensitive information out of your chat logs and inboxes.
+5 stars
from 2,971 · score 1.79
17.apache / rocketmq
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
+3 stars
from 22,643 · score 1.39
18.absmach / magistrala
IoT Platform Framework
+3 stars
from 2,655 · score 1.39
19.profanity-im / profanity
Ncurses based XMPP client
+3 stars
from 1,548 · score 1.39
20.MassTransit / MassTransit
Distributed Application Framework for .NET
+2 stars
from 7,811 · score 1.10
21.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!
+2 stars
from 3,643 · score 1.10
22.zeromq / netmq
A 100% native C# implementation of ZeroMQ for .NET
+2 stars
from 3,179 · score 1.10
23.softwaremill / elasticmq
In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
+2 stars
from 2,950 · score 1.10
24.rebus-org / Rebus
:bus: Simple and lean service bus implementation for .NET
+2 stars
from 2,672 · score 1.10
25.spring-cloud / spring-cloud-stream
Framework for building Event-Driven Microservices
+2 stars
from 1,070 · score 1.10
26.ekazaev / ChatLayout
ChatLayout is an alternative solution to MessageKit. It uses custom UICollectionViewLayout to provide you full control over the presentation as well as all the tools available in UICollectionView. It supports dynamic cells and supplementary view sizes.
+2 stars
from 1,059 · score 1.10
27.stn1slv / awesome-integration
A curated list of awesome system integration software and resources.
+2 stars
from 566 · score 1.10
28.jessesquires / JSQMessagesViewControllerArchived
An elegant messages UI library for iOS
+1 stars
from 11,050 · score 0.69
29.build-trust / ockam
Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and authorization policies between distributed applications – at massive scale.
+1 stars
from 4,638 · score 0.69
30.bloomberg / blazingmq
A modern high-performance open source message queuing system
+1 stars
from 3,219 · score 0.69
31.EasyNetQ / EasyNetQ
An easy to use .NET API for RabbitMQ
+1 stars
from 3,062 · score 0.69
32.zeromq / jeromq
JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.
+1 stars
from 2,453 · score 0.69
33.FoundatioFx / Foundatio
Pluggable foundation blocks for building distributed apps.
+1 stars
from 2,103 · score 0.69
34.KennethTsang / GrowingTextView
An UITextView in Swift. Support auto growing, placeholder and length limit.
+1 stars
from 1,077 · score 0.69
35.chat-sdk / chat-sdk-ios
Chat SDK iOS - Open Source Mobile Messenger
+1 stars
from 919 · score 0.69
36.allegro / hermes
Fast and reliable message broker built on top of Kafka.
+1 stars
from 872 · score 0.69
37.nats-io / nats.java
Java client for NATS
+1 stars
from 682 · score 0.69
38.wso2 / product-ei
An open source, a high-performance hybrid integration platform that allows developers quick integration with any application, data, or system.
+1 stars
from 402 · score 0.69
39.masslight / ottehr
Modular, Production-Ready, Open-Source EHR
+1 stars
from 341 · score 0.69