The open-source cloud for agents & devs. Including Auth, Databases, Storage, Functions, Messaging, Hosting, Realtime, WAF and more
- appwrite
- docker
- backend-as-a-service
- javascript
Repository Index
47,133 repositories indexed
1–24 of 151 · Most stars
bluetooth mesh chat, IRC vibes
- bluetooth
- bluetooth-le
- decentralized
- e2e-encryption
Telegram Desktop messaging app
- telegram
- telegram-desktop
- messenger
- telegram-solution
A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK
Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
- spring-cloud
- java
- spring
- microservices
A realtime distributed messaging platform
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
- rocketmq
- cloud-native
- eventing
- java
High-Performance server for NATS.io, the cloud and edge native messaging system.
- go
- golang
- messaging
- message-bus
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
High Performance Inter-Thread Messaging Library
- disruptor
- java
- concurrency
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
IM Chat OpenClaw
- im
- chat
- messaging
- messenger
Bridge local AI coding agents (Claude Code, Cursor, Gemini CLI, Codex) to messaging platforms (Feishu/Lark, DingTalk, Slack, Telegram, Discord, LINE, WeChat Work). Chat with your AI dev assistant from anywhere — no public IP required for most platforms.
Apache Pulsar - distributed pub-sub messaging system
Free implementation of Play Services
- java
- android
- microg
- google-cloud-messaging
Open source RabbitMQ: core server and tier 1 (built-in) plugins
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
- chat
- chat-application
- chatapp
- go
Eclipse Mosquitto - An open source MQTT broker
- mqtt
- broker
- mosquitto
- eclipse-iot
ZeroMQ core engine in C++, implements ZMTP/3.1
- zeromq
- zmq
- messaging
- concurrency
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.
Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.
- reliable-messages
- networking
- game-development
- realtime-messaging
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
- messaging
- java
- c-plus-plus
- ipc
Distributed Application Framework for .NET
- masstransit
- rabbitmq
- c-sharp
- azure-service-bus
Golang client for NATS, the cloud native messaging system.
- go
- golang
- nats
- microservices