# Lightweight Pub-Sub Messaging Systems

> Search results for `an easy pub-sub messaging system` on awesome-repositories.com. 118 total matches; showing the first 50.

Explore on the web: https://awesome-repositories.com/q/an-easy-pub-sub-messaging-system

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## Results

- [nats-io/nats-server](https://awesome-repositories.com/repository/nats-io-nats-server.md) (20,076 ⭐) — NATS Server is a high-performance, lightweight messaging system designed for cloud-native applications, edge computing, and distributed microservices. It functions as a distributed publish-subscribe broker that routes messages using hierarchical, dot-separated subject strings, enabling decoupled communication between services without requiring centralized broker lookups. The system supports core messaging patterns including asynchronous publish-subscribe, request-reply, and load-balanced queue processing.

The platform distinguishes itself through a decentralized architecture that eliminates t
- [careywang/sub-web](https://awesome-repositories.com/repository/careywang-sub-web.md) (6,402 ⭐) — Sub-web is a browser-based web interface that converts raw proxy subscription links into structured configuration files compatible with the Clash proxy client. It acts as a frontend for the subconverter backend service, enabling users to generate, manage, and export proxy configurations directly from their browser without server-side processing.

The tool distinguishes itself by offering a complete configuration management workflow that includes generating Clash-compatible files from subscription URLs, caching generated configurations in browser local storage with configurable expiration, and
- [kedacore/keda](https://awesome-repositories.com/repository/kedacore-keda.md) (10,314 ⭐) — KEDA is a Kubernetes event-driven autoscaler and cloud event scaling engine. It functions as a custom metrics provider that monitors external event sources—including message brokers, databases, and cloud metrics—to dynamically adjust the replica counts of containerized workloads.

The project is distinguished by its scale-to-zero workflow, which reduces workloads to zero replicas during inactivity and automatically restarts them when new events are detected. It operates as a multi-cloud event trigger system, using a pluggable scaler interface to integrate with a wide array of third-party servi
- [adtribute/pub-sub-lite](https://awesome-repositories.com/repository/adtribute-pub-sub-lite.md) (51 ⭐) — Lighter (Method-based) pub/sub for Meteor
- [nodebb/nodebb](https://awesome-repositories.com/repository/nodebb-nodebb.md) (15,144 ⭐) — NodeBB is a real-time, self-hosted community forum platform built on Node.js. It is designed to support scalable discussion environments by utilizing a document-oriented database for content storage and an in-memory engine for high-speed data retrieval and session management. The platform provides a comprehensive administrative interface for managing user groups, forum settings, and system health.

What distinguishes the platform is its native support for federated social networking via the ActivityPub protocol, allowing forums to exchange content, synchronize discussions, and interact with de
- [pubs/pubs](https://awesome-repositories.com/repository/pubs-pubs.md) (287 ⭐) — Your bibliography on the command line
- [quantaxis/quantaxis](https://awesome-repositories.com/repository/quantaxis-quantaxis.md) (10,720 ⭐) — QuantAxis is a quantitative trading platform and algorithmic trading framework. It provides a comprehensive local environment for backtesting strategies, managing financial market data, and executing trades across stocks, futures, and options markets.

The system distinguishes itself through a distributed task scheduler that spreads asynchronous computations and heavy mathematical workloads across a network of remote agents. It incorporates a multi-account trading interface to standardize the monitoring of positions and the execution of orders across various brokerage accounts.

The platform c
- [vsofttechnologies/vsoft.messaging](https://awesome-repositories.com/repository/vsofttechnologies-vsoft-messaging.md) (62 ⭐) — VSoft.Messaging is a libary that provides an internal synchronous/asynchronous publish/subscribe messaging system for Delphi applications.
- [gofr-dev/gofr](https://awesome-repositories.com/repository/gofr-dev-gofr.md) (21,321 ⭐) — Gofr is a comprehensive framework for building production-ready microservices in Go. It provides a unified toolkit for developing RESTful APIs and gRPC services, offering built-in support for observability, database management, and distributed system communication.

The framework distinguishes itself through its focus on developer productivity and system resilience. It automates common backend tasks such as CRUD handler generation, schema-driven code creation, and database migration orchestration, while preventing race conditions in clustered environments. To maintain stability, it includes in
- [ipfs/kubo](https://awesome-repositories.com/repository/ipfs-kubo.md) (17,056 ⭐) — Kubo is a peer-to-peer implementation of the InterPlanetary File System (IPFS) designed for decentralized data storage and content delivery. It uses content-addressing, directed acyclic graphs, and distributed hash tables to identify, distribute, and retrieve data across a network without relying on central servers.

The project differentiates itself by providing a virtual filesystem via FUSE, which maps decentralized network namespaces to local operating system directories for direct file access. It also includes integrated HTTP gateways that translate peer-to-peer content into standard web t
- [insforge/insforge](https://awesome-repositories.com/repository/insforge-insforge.md) (11,794 ⭐) — InsForge is a backend-as-a-service platform that provides an integrated suite of tools for managing relational databases, identity provision, object storage, and serverless compute. It functions as an open-source identity provider and a PostgreSQL database manager featuring integrated vector storage and row-level security.

The platform serves as an LLM orchestration gateway, offering a unified endpoint to route requests across various AI providers through an OpenAI-compatible interface. It enables AI-driven application generation and connects AI agents to backend resources using a standardize
- [sub-store-org/sub-store](https://awesome-repositories.com/repository/sub-store-org-sub-store.md) (9,893 ⭐) — Sub-Store is a proxy subscription management server that aggregates multiple subscription links into a single unified stream for distribution to various clients. It functions as a transformation pipeline that filters, modifies, and reformats proxy node metadata.

The system acts as a cross-platform format converter to ensure compatibility across diverse client applications. It includes an encryption decryption gateway that uses private keys to handle age-standard encrypted subscription content and a cache-layered aggregator to reduce external requests.

The server provides capabilities for dyn
- [vectordotdev/vector](https://awesome-repositories.com/repository/vectordotdev-vector.md) (22,071 ⭐) — Vector is a high-performance observability data pipeline designed to collect, transform, and route logs, metrics, and traces across distributed infrastructure. It functions as a modular engine that decouples data ingestion from processing and transmission, utilizing a component-based architecture to connect diverse sources to multiple destinations.

The project distinguishes itself through a focus on reliability and flow control. It implements backpressure-aware data movement to prevent data loss during traffic spikes and utilizes disk-backed event buffering to ensure durability during network
- [nestjstools/messaging](https://awesome-repositories.com/repository/nestjstools-messaging.md) (40 ⭐) — Simplifies asynchronous and synchronous message handling with support for buses, handlers, channels, and consumers. Build scalable, decoupled applications with ease and reliability.
- [avelino/awesome-go](https://awesome-repositories.com/repository/avelino-awesome-go.md) (175,576 ⭐) — This project serves as a comprehensive language ecosystem index, functioning as a centralized, community-curated directory for the Go programming language. It organizes a vast landscape of software components, libraries, and development tools into a structured, navigable hierarchy, enabling developers to efficiently discover resources tailored to specific functional domains.

The repository distinguishes itself through a decentralized contribution model, where community-driven updates ensure the index remains current with the rapidly evolving software landscape. Beyond simple resource listing,
- [dragonflydb/dragonfly](https://awesome-repositories.com/repository/dragonflydb-dragonfly.md) (30,688 ⭐) — Dragonfly is a high-performance, multi-model in-memory data store designed to serve as a drop-in replacement for existing database infrastructures. By utilizing a multi-threaded, shared-nothing architecture and a fiber-based concurrency model, it maximizes CPU utilization and minimizes latency for read and write operations. The system supports a wide range of data structures, including strings, hashes, lists, sets, sorted sets, and JSON documents, while maintaining full compatibility with standard industry wire protocols and client libraries.

What distinguishes Dragonfly is its focus on effic
- [luin/ioredis](https://awesome-repositories.com/repository/luin-ioredis.md) (15,295 ⭐) — ioredis is a performance-focused Redis client for Node.js designed to execute commands and manage data connections. It provides a specialized interface for interacting with standalone servers, sharded clusters, and high-availability setups.

The library distinguishes itself with native support for Redis Cluster, featuring automatic slot discovery and network address mapping, and Redis Sentinel for master node discovery and automatic failover. It also includes a dedicated Lua scripting interface that utilizes server-side caching to ensure atomic operations.

The project covers a broad set of ca
- [viniciusfbb/ipub-messaging](https://awesome-repositories.com/repository/viniciusfbb-ipub-messaging.md) (62 ⭐) — Thread safe, asynchronous and simplistic messaging system for communication between classes / layers in delphi created by the iPub team.
- [nautechsystems/nautilus_trader](https://awesome-repositories.com/repository/nautechsystems-nautilus-trader.md) (20,056 ⭐) — Nautilus Trader is a high-performance algorithmic trading framework built in Rust, designed for the development, backtesting, and live execution of automated trading strategies. It provides a comprehensive platform for managing multi-asset portfolios and interacting with diverse financial markets through a standardized connectivity suite. The system is engineered to handle high-frequency data processing and complex order execution while maintaining precise numerical accuracy across various asset classes.

The framework distinguishes itself through an architecture centered on deterministic even
- [open62541/open62541](https://awesome-repositories.com/repository/open62541-open62541.md) (3,033 ⭐) — open62541 is an open-source implementation of the OPC Unified Architecture standard, providing a complete stack for industrial automation and data exchange. It functions as both an OPC UA server and client, enabling the creation of an object-oriented address space to model physical industrial assets and their relationships.

The project is designed for versatility across diverse hardware, offering a C99 library that can be deployed to both cloud servers and resource-constrained embedded environments. It distinguishes itself through a pluggable network layer and interface-based security backend
- [emersion/go-message](https://awesome-repositories.com/repository/emersion-go-message.md) (451 ⭐) — ✉️ A streaming Go library for the Internet Message Format and mail messages
- [flipperdevices/flipperzero-firmware](https://awesome-repositories.com/repository/flipperdevices-flipperzero-firmware.md) (15,563 ⭐) — This project provides an open-source firmware platform and complete build environment for portable multi-tool hardware. It functions as an embedded operating system designed to manage radio, infrared, and physical interface components, enabling users to develop custom applications and system logic for specialized hardware devices.

The firmware distinguishes itself through a modular architecture that organizes system functionality into isolated units, allowing for the development of custom user interfaces and logic. It includes a comprehensive collection of low-level drivers and applications s
- [aws-amplify/amplify-js](https://awesome-repositories.com/repository/aws-amplify-amplify-js.md) (9,568 ⭐) — This project is a JavaScript library and SDK used to integrate web and mobile applications with cloud services. It serves as a bridge to backend providers for user authentication, binary object storage, and real-time data synchronization.

The library provides a unified interface for managing cloud identity and access, executing queries and mutations against GraphQL endpoints, and consuming REST APIs with secure request signing. It also includes tools for accessing machine learning services for natural language processing and computer vision.

Broad capability areas include offline-first data
- [fastapi/fastapi](https://awesome-repositories.com/repository/fastapi-fastapi.md) (99,260 ⭐) — FastAPI is a web framework for building APIs with Python. It leverages standard language type hints to provide automatic data validation, request parsing, and interactive API documentation generation. The framework supports asynchronous request handling and manages execution contexts to prevent blocking the main event loop.

The project includes a dependency injection system that allows for the resolution and injection of reusable components into request handlers. This system supports request-scoped caching, lifecycle management, and integration with security mechanisms like OAuth2 and JSON We
- [vardius/message-bus](https://awesome-repositories.com/repository/vardius-message-bus.md) (287 ⭐) — Go simple async message bus
- [rhastie/easy-nmos](https://awesome-repositories.com/repository/rhastie-easy-nmos.md) (84 ⭐) — Easy NMOS setup an testing using Docker compose/available containers
- [ipfs/js-ipfs](https://awesome-repositories.com/repository/ipfs-js-ipfs.md) (7,401 ⭐) — js-ipfs is an HTTP client library that connects to any IPFS daemon, enabling JavaScript applications to interact with the InterPlanetary File System. It provides a promise-based asynchronous API for managing content-addressed storage, where all data is identified by cryptographic hashes (CIDs) for immutable references and deduplication. The library communicates with a remote IPFS node through HTTP requests, supporting cancellation of in-flight operations via standard AbortController signals.

The library offers a comprehensive set of capabilities for working with IPFS, including adding and ret
- [camel-ai/camel](https://awesome-repositories.com/repository/camel-ai-camel.md) (17,253 ⭐) — This project is a comprehensive framework for building and managing autonomous agent systems. It provides a unified architecture for orchestrating multi-agent societies, where specialized agents collaborate through roleplay to decompose and solve complex tasks. The system integrates language models with external environments, enabling agents to perform real-world actions through a standardized tool-calling abstraction layer.

The framework distinguishes itself through its focus on iterative reasoning and data reliability. It employs automated feedback loops to refine agent outputs and self-eva
- [timgit/pg-boss](https://awesome-repositories.com/repository/timgit-pg-boss.md) (3,218 ⭐) — pg-boss is a background task scheduler and distributed task queue that uses PostgreSQL as a reliable message broker for asynchronous job processing. It provides a system for distributing work across multiple application instances, ensuring exactly-once delivery through atomic database transactions.

The project includes a cron job scheduler for automating recurring tasks and a PostgreSQL pub-sub system for fan-out event distribution. It also features a web-based management dashboard for monitoring queue statistics and controlling job lifecycles, including manual retries and cancellations.

Cap
- [message-db/message-db](https://awesome-repositories.com/repository/message-db-message-db.md) (1,650 ⭐)
- [infisical/infisical](https://awesome-repositories.com/repository/infisical-infisical.md) (27,374 ⭐) — Infisical is a centralized secrets management platform designed to store, synchronize, and control access to sensitive credentials and configuration data across distributed development, staging, and production environments. It employs client-side encryption to ensure that secrets remain unreadable to the underlying storage infrastructure, while providing a hierarchical permission model to govern both user and machine access.

The platform distinguishes itself through dynamic credential provisioning, which generates short-lived access tokens that are automatically revoked after use. It supports
- [tmoroney/auto-subs](https://awesome-repositories.com/repository/tmoroney-auto-subs.md) (2,851 ⭐) — Auto-subs is an AI transcription and automatic captioning tool that converts spoken audio from video files into synchronized subtitles. It functions as a subtitle generator and a transcription bridge, enabling the conversion of speech to text with automatic speaker identification and multi-language translation support.

The software prioritizes data privacy by utilizing on-device AI inference to process audio and video files locally on the user's hardware. It distinguishes itself by offering deep integration with professional video editing workflows, allowing users to export timing and transcr
- [nasa/fprime](https://awesome-repositories.com/repository/nasa-fprime.md) (10,766 ⭐) — F Prime is a component-based framework designed for the development and deployment of embedded and spaceflight software. It provides a modular architecture that decouples software logic from communication interfaces, allowing developers to define system structures through a domain-specific modeling language. This model-based approach enables automated code generation, ensuring consistency across complex system topologies while maintaining strict interface contracts between software modules.

The framework distinguishes itself through its integrated build system and ground data operations suite
- [yutiansut/quantaxis](https://awesome-repositories.com/repository/yutiansut-quantaxis.md) (9,955 ⭐) — Quantaxis is a quantitative trading framework designed for building, backtesting, and executing automated strategies across global equities, futures, and cryptocurrencies. It integrates an event-driven backtesting engine, a multi-market execution gateway for order routing, and a quantitative data pipeline for ingesting and storing multi-asset market data.

The system features a Rust-accelerated financial library that utilizes Apache Arrow for high-performance technical indicator calculation and zero-copy data processing. It provides a containerized infrastructure model designed for orchestrati
- [supabase/realtime](https://awesome-repositories.com/repository/supabase-realtime.md) (7,488 ⭐) — Realtime is a real-time data distribution and synchronization engine that enables applications to stream database changes and coordinate state between clients. It functions as a synchronization layer that monitors database write-ahead logs to provide change data capture and pushes updates to authorized clients via WebSockets.

The project features a real-time presence server for tracking the online status of active users and a broadcast service for sending ephemeral messages without database persistence. It organizes communication through channel-based message routing and uses a structured JSO
- [refil/canbus-message](https://awesome-repositories.com/repository/refil-canbus-message.md) (2 ⭐) — Can message assembly and disassembly library for teensy & stm32
- [appwrite/appwrite](https://awesome-repositories.com/repository/appwrite-appwrite.md) (56,318 ⭐) — Appwrite is a backend-as-a-service platform that provides a unified development environment for building full-stack applications. It integrates essential infrastructure components—including authentication, databases, storage, and serverless functions—into a single, centralized interface to simplify application development and resource management.

The platform distinguishes itself through a container-based microservices architecture that ensures consistent execution across diverse infrastructure. It features a versatile connectivity layer that links frontend applications with third-party servi
- [binwiederhier/ntfy](https://awesome-repositories.com/repository/binwiederhier-ntfy.md) (30,790 ⭐) — ntfy is a self-hosted messaging infrastructure that provides a lightweight platform for sending and receiving real-time notifications. It functions as a topic-based pub-sub server, allowing users to publish and subscribe to message channels using standard HTTP requests. By bridging server-side events with native mobile and desktop clients, it enables the delivery of alerts across various environments through a unified communication layer.

The project distinguishes itself by offering a complete, private notification ecosystem that includes persistent message caching and robust access control.
- [chainlit/chainlit](https://awesome-repositories.com/repository/chainlit-chainlit.md) (12,213 ⭐) — Chainlit is a Python framework designed for building and deploying interactive, stateful conversational AI interfaces. It provides a backend-driven platform that connects language models and agent frameworks to a web-based chat frontend, managing the complexities of session state, message history, and real-time communication.

The framework distinguishes itself by offering a component-based UI builder that allows developers to inject interactive widgets, rich media, and data visualizations directly into the chat stream. It supports the visualization of complex agent workflows, enabling users t
- [easy-mock/easy-mock](https://awesome-repositories.com/repository/easy-mock-easy-mock.md) (9,026 ⭐) — Easy Mock is a tool for API mocking and simulation that allows for the creation of fake server responses using schemas. It enables the generation of mock API data and the implementation of OpenAPI specifications to align development with technical contracts.

The project supports collaborative API design through a shared workspace where team members can synchronize and manage mock endpoints. It also features specification-driven bootstrapping, which automatically constructs mock environments by importing standard API definition files.

The system provides API development proxying to forward re
- [ipfs/ipfs](https://awesome-repositories.com/repository/ipfs-ipfs.md) (23,137 ⭐) — IPFS is a peer-to-peer hypermedia protocol and content-addressed storage system that identifies data by cryptographic hashes rather than network locations. It enables the creation of a decentralized web by organizing files and directories as directed acyclic graphs of linked content identifiers.

The project differentiates itself through the use of a distributed hash table for locating peers and a system of signed records to map human-readable names to changing content. It also provides HTTP gateways that translate standard web requests into peer-to-peer queries, allowing decentralized data to
- [atuinsh/atuin](https://awesome-repositories.com/repository/atuinsh-atuin.md) (30,266 ⭐) — Atuin is a command-line tool that replaces standard shell history with a searchable, encrypted SQLite database. By hooking into shell initialization scripts, it provides an interactive, keyboard-driven interface for real-time command filtering and retrieval. The platform ensures data privacy through a client-side encryption layer, securing sensitive history and configuration data before it is synchronized across multiple machines.

Beyond history management, Atuin functions as an executable documentation platform that enables teams to create and share interactive runbooks. These documents use
- [deepstreamio/deepstream.io](https://awesome-repositories.com/repository/deepstreamio-deepstream-io.md) (7,183 ⭐) — deepstream.io is an open-source realtime server that synchronizes JSON records, events, and remote procedure calls across clients and backend services. It functions as a realtime data sync server, event pub/sub server, record database server, and RPC server, all within a single platform. The server authenticates and authorizes every message using multiple strategies including JWT, HTTP, and file-based credentials, with a declarative permission language controlling access to records, events, and RPCs at a granular level.

The platform distinguishes itself through its combination of realtime dat
- [nodemailer/nodemailer](https://awesome-repositories.com/repository/nodemailer-nodemailer.md) (17,583 ⭐) — Nodemailer is a comprehensive library for Node.js applications designed to handle the composition, signing, and transmission of email messages. It provides a robust framework for constructing MIME-compliant content, managing complex attachments, and routing messages through various delivery channels, including standard SMTP servers, local mail transfer agents, and cloud-based email services.

The library distinguishes itself through a modular, plugin-based transport architecture that allows for custom delivery mechanisms and environment-specific configurations. It includes advanced features fo
- [an-dr/microlog](https://awesome-repositories.com/repository/an-dr-microlog.md) (170 ⭐) — Easy to use - simple API, works out of the box - Advanced filtering and log levels per topic or output - Thread-safety via external locking injection - Customization - only data you need - Extensible - add your own features via public API, set of predefined extensions - Support for embedded…
- [socketcluster/socketcluster](https://awesome-repositories.com/repository/socketcluster-socketcluster.md) (6,197 ⭐) — Highly scalable realtime pub/sub and RPC framework
- [an-tao/drogon](https://awesome-repositories.com/repository/an-tao-drogon.md) (13,993 ⭐) — Drogon is a high-performance C++ HTTP web framework and asynchronous web server designed for building web applications and REST APIs. It utilizes an event-driven, non-blocking architecture to handle concurrent HTTP and WebSocket connections, and it implements a model-view-controller structure to separate business logic from presentation.

The framework includes an integrated C++ object-relational mapping system and database client for performing asynchronous operations with relational databases and Redis key-value stores. It supports real-time, full-duplex communication via WebSockets and prov
- [eczarny/spectacle](https://awesome-repositories.com/repository/eczarny-spectacle.md) (13,631 ⭐) — Spectacle is a keyboard-driven window manager and organizer that uses system accessibility frameworks to manipulate window coordinates and dimensions. It allows for the arrangement, resizing, and movement of application windows across multiple displays using global keyboard shortcuts.

The tool focuses on multi-monitor layout management, enabling users to shift active windows between connected displays and snap windows into predefined screen regions such as halves, thirds, or corners. It also provides the ability to center and maximize windows to optimize screen real estate without using a mou
- [smileychris/easy-thumbnails](https://awesome-repositories.com/repository/smileychris-easy-thumbnails.md) (1,411 ⭐) — Easy thumbnails for Django
- [hybridgroup/gobot](https://awesome-repositories.com/repository/hybridgroup-gobot.md) (9,425 ⭐) — Gobot is a robotics framework for the Go programming language designed for developing robotics, drones, and IoT applications. It provides a hardware abstraction layer with standardized drivers to interact with GPIO, I2C, SPI, and PWM interfaces across various single-board computers and microcontrollers.

The framework functions as an IoT device orchestrator and BLE device manager, enabling the coordination of multiple sensors, actuators, and Bluetooth Low Energy peripherals. It includes specialized interfaces for drone control, allowing for the management of flight maneuvers and video streams