Go
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.
Apache-2.0Aug 28, 2026 · metrics 2.10.0
All tags
Catalogue tag
#messaging
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
258 records
crates.io
matrix-org/vodozemac
An implementation of Olm and Megolm in pure Rust.
Apache-2.0Sep 15, 2026 · metrics 2.10.0
PyPI · crates.io
pgmq/pgmq
A lightweight message queue. Like AWS SQS and RSMQ but on Postgres.
PostgreSQLAug 28, 2026 · metrics 2.10.0
crates.io
ruma/ruma
A set of Rust crates for interacting with the Matrix chat network.
MITOct 22, 2026 · metrics 2.10.0
npm
sendbird/sendbird-uikit-react
Build chat in minutes with Sendbird UIKit open source code.
MITSep 15, 2026 · metrics 2.10.0
Maven · npm
spring-cloud/spring-cloud-bus
Spring Cloud event bus
Apache-2.0Oct 19, 2026 · metrics 2.10.0
Maven · npm
spring-cloud/spring-cloud-stream
Framework for building Event-Driven Microservices
Apache-2.0Sep 13, 2026 · metrics 2.10.0
NuGet · npm
FoundatioFx/Foundatio
Pluggable foundation blocks for building distributed apps.
Apache-2.0Oct 20, 2026 · metrics 2.10.0
Maven
aeron-io/aeron
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
Apache-2.0Oct 19, 2026 · metrics 2.10.0
Maven
apache/artemis
Apache Artemis
Apache-2.0Oct 19, 2026 · metrics 2.10.0
npm
masslight/ottehr
Modular, Production-Ready, Open-Source EHR
Custom licenseSep 16, 2026 · metrics 2.10.0
Maven · PyPI
smallrye/smallrye-reactive-messaging
SmallRye Reactive Messaging
Apache-2.0Oct 19, 2026 · metrics 2.10.0
NuGet
EasyNetQ/EasyNetQ
An easy to use .NET API for RabbitMQ
MITOct 21, 2026 · metrics 2.10.0
npm
adobe/aepsdk-react-native
A wrapper around the iOS and Android AEP mobile SDK to allow for integration with React Native applications.
Apache-2.0Sep 11, 2026 · metrics 2.10.0
npm · crates.io
matrix-org/matrix-sdk-crypto-wasm
No repository description published.
Apache-2.0Sep 15, 2026 · metrics 2.10.0
Go
Cod-e-Codes/marchat
Terminal chat for developers: Go WebSocket server + Bubble Tea TUI client, optional E2E, reactions, DMs, channels, plugins, files, code snippets, admin UI. Backends: SQLite, PostgreSQL, or MySQL. Self-hosted.
MITSep 9, 2026 · metrics 2.10.0
NuGet
Particular/ServiceControl
Backend for ServicePulse
Custom licenseSep 15, 2026 · metrics 2.10.0
Maven
Vonage/vonage-java-sdk
Vonage Server SDK for Java. API support for SMS, Messages, Voice, Text-to-Speech, Numbers, Verify (2FA), Video and more.
Apache-2.0Sep 18, 2026 · metrics 2.10.0
Go · npm
absmach/fluxmq
High-performance scalable message broker for modern event-driven applications
Apache-2.0Sep 20, 2026 · metrics 2.10.0
Maven
citrusframework/citrus
Framework for automated integration tests with focus on message-based applications
Apache-2.0Sep 13, 2026 · metrics 2.10.0
PyPI
crossbario/crossbar
Crossbar.io - WAMP application router
Custom licenseSep 14, 2026 · metrics 2.10.0
Maven
nats-io/nats.java
Java client for NATS
Apache-2.0Sep 25, 2026 · metrics 2.10.0
crates.io · Maven
AsamK/signal-cli
signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.
GPL-3.0Aug 28, 2026 · metrics 2.10.0
NuGet
Particular/NServiceBus.Persistence.Sql
Native SQL Persistence for NServiceBus
Custom licenseOct 5, 2026 · metrics 2.10.0
PyPI
chigwell/telegram-mcp
Telegram MCP server powered by Telethon to let MCP clients read chats, manage groups, and send/modify messages, media, contacts, and settings.
Apache-2.0Sep 11, 2026 · metrics 2.10.0
PyPI · npm · RubyGems +3
nicklambourne/slackblocks
:game_die: Native language APIs for building messages using the Slack Block Kit API
MITOct 9, 2026 · metrics 2.10.0
Go
GetStream/getstream-go
Official Go API Client for Stream Chat, Video and Feeds
BSD-3-ClauseSep 19, 2026 · metrics 2.10.0
npm
zeromq/zeromq.js
:zap: Node.js bindings to the ØMQ library
MITOct 19, 2026 · metrics 2.10.0
npm
Adamant-im/adamant-api-jsclient
Modular TypeScript SDK for the ADAMANT blockchain and deterministic wallet helpers
GPL-3.0Sep 13, 2026 · metrics 2.10.0
NuGet
Catel/Catel
An application development platform
Custom licenseSep 13, 2026 · metrics 2.10.0