Awesome GitHub RepositoriesDistributed Systems

SurrealDB is a multi-model database engine designed to store and query document, graph, relational, and vector data within a single ACID-compliant platform. It functions as an AI-native data store, integrating vector search, graph traversal, and machine learning model execution directly into its query layer. By providing a unified declarative query language, the platform eliminates the need for external middleware to synchronize data across different storage models. The platform distinguishes itself through its ability to manage agent memory and complex workflows natively. It allows developer

NSQ is a distributed, brokerless messaging platform designed for high-throughput, fault-tolerant communication. By utilizing a decentralized topology, it eliminates single points of failure and allows for horizontal scaling across clusters. The system organizes message streams into topics and channels, effectively decoupling producers from consumers to support both streaming and job-oriented workloads. The platform distinguishes itself through a lookup-service-based discovery mechanism that enables clients to dynamically locate producers at runtime without requiring centralized coordination.

Typesense is a distributed search engine designed to provide sub-millisecond query latency across massive datasets. It functions as both a high-performance indexing and retrieval engine and a comprehensive search experience platform, offering built-in typo tolerance and tools for managing relevance through synonym configuration, result curation, and complex filtering. The platform distinguishes itself by utilizing in-memory indexing to maintain high-throughput data retrieval and integrating vector database capabilities to support semantic similarity searches. It ensures data consistency and h

This project serves as a comprehensive technical reference for the architecture and design of data-intensive applications. It provides a structured analysis of the fundamental principles required to build reliable, scalable, and maintainable software systems, covering the core trade-offs inherent in modern data infrastructure. The repository explores the mechanics of distributed data management, including strategies for replication, partitioning, and achieving consensus across multiple nodes. It details the design of storage engines, indexing techniques, and transaction management models, whi

RocketMQ is a distributed messaging and streaming platform designed for building event-driven applications. It serves as middleware to decouple services using publish-subscribe and request-reply patterns, and functions as a transactional messaging system that ensures atomicity by linking message delivery to local transaction outcomes. The platform includes specialized capabilities as a Kubernetes-native message broker for container orchestration environments and an MQTT broker for ingesting event data from mobile applications and hardware terminals. The system covers high-throughput data str

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

Scala is a statically typed programming language and compiler that combines object-oriented and functional programming paradigms. It serves as a cross-platform runtime language capable of targeting the Java Virtual Machine and JavaScript to share logic between backend servers and web frontends. The project provides a functional programming framework with immutable data structures and higher-order functions to build reliable concurrent and distributed applications. It distinguishes itself through deep interoperability with Java and JavaScript ecosystems and the ability to transform code into n

dtm is a distributed transaction framework and polyglot transaction coordinator designed to maintain data consistency across microservices. It functions as a Saga orchestration engine and a two-phase message coordinator, ensuring that multi-service operations either succeed completely or roll back to a consistent state. The project distinguishes itself by supporting multiple consistency patterns, including Saga, TCC, XA, and outbox patterns, allowing users to select the appropriate model for their specific application requirements. It provides a polyglot integration layer via HTTP and gRPC, e

CRMEB is a comprehensive e-commerce platform built on ThinkPHP 6, designed as a headless system that delivers standardized APIs to various frontend clients. It provides a unified backend to synchronize product catalogs, orders, and customer data across web browsers, mobile applications, and mini-programs. The platform supports diverse commerce models, including multi-vendor marketplaces where independent merchants manage their own stores, centralized chain store networks, and social commerce frameworks featuring affiliate distribution and community group buying. It also integrates specialized

This project is a comprehensive knowledge base and study resource designed for mastering technical interviews. It provides structured guides, roadmaps, and curricula focused on data structures, algorithms, system design, and frontend engineering to help candidates prepare for software engineering screenings. The repository distinguishes itself by offering a holistic approach to professional advancement. Beyond technical drills, it includes a career development handbook covering resume optimization, salary benchmarking, and strategic negotiation coaching. It also provides detailed methodologie

This project is a self-hosted email verification system and API designed to validate email existence and clean mailing lists on private infrastructure. It functions as a deliverability tool that confirms if email addresses are reachable by communicating with mail servers via the SMTP protocol without sending actual messages. The system is distinguished by its high-volume SMTP infrastructure, which utilizes a stateless worker architecture and message queue task distribution to scale validation tasks. It includes an SMTP proxy gateway that routes requests through SOCKS5 proxies to mask server i

This project is a comprehensive educational resource and curriculum focused on site reliability engineering, distributed systems, and infrastructure operations. It provides technical guides, a systems engineering course, and instructional manuals designed to teach the principles of managing large-scale computing environments. The curriculum covers high-level architectural design for scalability and resilience, including fault-tolerant infrastructure, high-availability patterns, and microservices decomposition. It emphasizes the practical application of site reliability engineering through the

Concourse is a container-based continuous integration and delivery platform that functions as a distributed build system. It operates as a declarative pipeline orchestrator, using a central controller and multiple worker nodes to execute concurrent tasks within isolated containers. The system distinguishes itself by executing every build step in a separate container to ensure environment consistency and by defining software delivery sequences through portable, versionable configuration files. It provides a web-based pipeline visualizer to display the real-time status and progress of automated

Swarms is a multi-agent orchestration framework and autonomous agent toolkit designed to coordinate large language model agents. It serves as a workflow engine for managing agent relationships, providing the infrastructure to build autonomous agents with integrated memory, tool-calling capabilities, and reasoning loops. The framework is distinguished by its multi-agent consensus systems, which utilize voting, adversarial debates, and judge agents to synthesize high-quality responses. It supports a variety of collaboration patterns, including director-worker hierarchies, expert synthesis, and

Faust is a Python library for building distributed stream processing applications that integrate with Kafka. It functions as an asynchronous stream processor designed to handle high-throughput event streams and real-time data analysis using asynchronous functions. The system operates as a distributed stream processor and state store, utilizing sharding and partitioned topics to scale processing workloads horizontally across multiple worker nodes. It maintains state through a replicated key-value storage system backed by local databases to ensure high availability and fast recovery. The frame

Kill Bill is a subscription billing platform and usage-based billing engine designed to manage recurring invoicing and automated payment collection. It functions as a multi-tenant billing infrastructure, providing isolated environments for different organizational entities through a dedicated API. The system is distinguished by a plugin-based extension framework that allows for the integration of third-party payment gateways and custom business logic. It includes a payment gateway orchestrator to handle transactions and refunds, as well as a revenue recognition system to allocate contract rev

yii2_fecshop este o platformă B2C e-commerce și CMS cuprinzătoare, construită pe framework-ul PHP Yii2. Funcționează ca un API de comerț headless și o soluție de storefront internațional, suportând atât magazine cu un singur vânzător, cât și marketplace-uri multi-vendor unde comercianții independenți își pot gestiona propriile produse și comenzi. Sistemul se distinge printr-o arhitectură cu puncte de intrare multiple care separă interfețele administrative, web, mobile și API, partajând în același timp un strat de servicii comun. Oferă o extensibilitate ridicată prin înlocuirea serviciilor bazată pe configurație, extensii funcționale bazate pe evenimente și un sistem de template-uri prioritizat pentru personalizarea vizuală. Platforma acoperă un set larg de capabilități de comerț, inclusiv prețuri multi-valută, integrarea gateway-urilor de plată internaționale, gestionarea globală a livrărilor și localizarea conținutului în mai multe limbi. Include, de asemenea, instrumente pentru gestionarea catalogului și a conținutului, indexarea automată a căutărilor cu optimizare SEO și capacitatea de a sincroniza datele cu sisteme ERP externe. Funcționalitățile operaționale suplimentare includ controlul accesului bazat pe roluri, filtrarea IP-urilor regionale, automatizarea sarcinilor de fundal pentru întreținerea magazinului și un sistem de urmărire a distribuției pe mai multe niveluri pentru stimulente de vânzări.

Jocko este o platformă de event streaming cloud-native și un jurnal de commit-uri distribuit, implementat în Go. Funcționează ca un broker de mesaje distribuit care asigură durabilitatea datelor și disponibilitatea ridicată prin replicarea secvențelor de înregistrări într-un cluster. Sistemul este conceput ca un streamer de evenimente fără Zookeeper, utilizând coordonarea prin consens integrată pentru a gestiona starea clusterului și alegerea liderului fără a necesita servicii de coordonare externe. Implementează protocolul Kafka, permițându-i să comunice cu clienții și instrumentele din ecosistemul existent. Platforma oferă capabilități pentru gestionarea jurnalelor distribuite, inclusiv utilizarea unui jurnal de commit-uri de tip append-only pentru persistența datelor. Include, de asemenea, mecanisme automate de retenție a datelor care elimină înregistrările vechi în funcție de limitele de timp sau pragurile de spațiu pe disc. Proiectul este distribuit ca un runtime de tip single-binary.

Acest proiect este o bibliotecă de referință curatoriată de modele algoritmice, implementări de structuri de date și note de design de sistem. Servește ca un set de probleme algoritmice Java și un ghid de programare competitivă, oferind o colecție de soluții pentru provocările de codare de pe platforme precum LeetCode și LintCode. Biblioteca se distinge prin setul său cuprinzător de implementări Java pentru structuri de date avansate și strategii algoritmice. Include referințe detaliate pentru rezolvarea problemelor complexe cu analiza complexității timpului și spațiului aferente. Proiectul acoperă o suprafață largă a fundamentelor informaticii, inclusiv designul algoritmilor, implementarea structurilor de date și designul sistemelor. Conținutul său cuprinde teoria grafurilor, programarea dinamică, căutarea și optimizarea și tehnici de procesare liniară a datelor. Include, de asemenea, note despre scalabilitatea infrastructurii, caching-ul performanței și modelele de arhitectură software.

Lilishop este o platformă de e-commerce multi-vendor B2B2C concepută ca o piață unde comercianții terți pot gestiona vitrine independente într-un ecosistem unificat. Este construită pe o arhitectură de microservicii Spring Cloud și un backend Spring Boot, utilizând Vue și Uniapp pentru a livra interfețe utilizator responsive pe platforme web, mobile și mini-programe. Platforma se diferențiază prin instrumente integrate de automatizare a marketingului, inclusiv cumpărături de grup, campanii de bargain și o rețea de distribuție afiliată bazată pe comisioane. Dispune, de asemenea, de un sistem financiar cuprinzător de decontare care gestionează procesarea plăților pe mai multe canale prin Alipay și WeChat Pay, alături de distribuția automată a comisioanelor și facturarea comercianților. Sistemul acoperă o gamă largă de operațiuni de retail, inclusiv gestionarea ierarhică a catalogului, distribuția automată a cupoanelor și urmărirea omnichannel a ciclului de viață al comenzilor. Include instrumente dedicate pentru arbitrajul disputelor, auditarea serviciilor post-vânzare și indexarea căutării fațetate a produselor. Implementarea este gestionată prin scripturi Docker și Compose pentru a facilita orchestrarea serviciilor API distribuite și a consumatorilor.