Open-source alternatives to Go Zero

This project is a service mesh platform designed to manage, secure, and observe service-to-service communication within Kubernetes clusters. It functions as a control plane that orchestrates transparent sidecar proxies, which intercept and manage network traffic to provide reliable connectivity for microservices. By automating the injection of these proxies, the platform ensures that infrastructure-level policies are applied consistently across all workloads without requiring manual configuration changes. The platform distinguishes itself through its focus on zero-trust security and cross-clu

Dubbo is a Java RPC framework and microservices governance platform designed for high-performance remote procedure calls in distributed architectures. It provides the foundational components necessary to connect distributed services across a network, including a binary data serialization library and a distributed service registry. The platform distinguishes itself through a comprehensive governance suite that manages service discovery, load balancing, and traffic routing. It enables precise control over network traffic via conditional routing and a pluggable extension mechanism based on a ser

Encore is a distributed systems framework designed to unify backend development, infrastructure provisioning, and observability. It functions as an infrastructure-as-code platform that allows developers to define cloud resources, databases, and messaging topics directly within their application code. By analyzing these declarations at compile-time, the system automatically manages the deployment of cloud resources and security policies, ensuring parity between local development and production environments. The platform distinguishes itself through its integrated development experience, which

Hyperf is a high-performance PHP coroutine framework designed for building microservices and middleware. It utilizes non-blocking coroutines to handle high concurrency and low-latency request processing, providing a foundation for scalable distributed systems. The framework is distinguished by an aspect-oriented programming based dependency injector that enables pluggable components and meta-programming. It includes a coroutine-optimized object-relational mapper with integrated model caching and an orchestration toolkit for microservice governance, featuring service discovery, circuit breaker

Sanic is an asynchronous Python web framework designed for building high-performance APIs and services. It operates as a production-ready ASGI web server, utilizing a non-blocking event loop to handle concurrent requests and maximize throughput. The framework is built to support scalable architectures, offering built-in worker process management to distribute traffic across available CPU cores. What distinguishes Sanic is its focus on modularity and developer-centric tooling. It features a blueprint-based system for organizing complex applications into pluggable components, alongside a robust

Spring Cloud Gateway is an API gateway and routing service built on Spring Boot. It acts as a central entry point for microservices, directing incoming HTTP traffic to downstream services using a combination of predicates and filters. The project is a non-blocking request router that leverages Netty and Project Reactor to handle high-concurrency traffic via asynchronous data streams. It functions as a dynamic request router and network traffic filter, allowing for the automated detection of and routing to available service instances in dynamic network environments. The gateway manages micros

Eureka is a service registry and discovery server that serves as a coordination tool for microservices. It provides a distributed service registry where instances record their network locations and health status to enable dynamic communication without the use of hardcoded addresses. The system functions as a client-side load balancing framework, providing location data to consumers so they can distribute network traffic across available instances. It employs a heartbeat-based health monitor to track instance availability and automatically removes unresponsive nodes from the registry to manage

PiggyMetrics is a demonstration project that illustrates a complete microservice architecture built with Spring Boot, Spring Cloud, and Docker, centered around a personal finance tracking application. It records incomes, expenses, and savings for individual accounts while computing spending statistics and time-series data to track cash flow dynamics over time. The project showcases a full Spring Cloud service mesh, including an API gateway for request routing, service discovery for dynamic instance location, and a centralized configuration server that manages application settings from a singl

Higress is an AI API gateway and cloud-native traffic manager that functions as a Kubernetes ingress controller. It provides a centralized system for routing, securing, and optimizing traffic directed toward large language models, AI agents, and microservice architectures. The project distinguishes itself through deep AI orchestration, including the ability to host and manage Model Context Protocol servers that transform REST APIs into tools for AI agents. It features specialized AI infrastructure for model request proxying, protocol translation across multiple providers, and semantic-based c

Sentinel is a microservice flow control framework designed for managing traffic limits, distributed circuit breaking, and adaptive overload protection. It serves as a traffic shaping component that defines resource boundaries to regulate request flow and ensure reliability across distributed systems. The project provides a real-time monitoring dashboard for tracking resource metrics and performance bottlenecks across service clusters. It includes a visual interface for the real-time management of flow control and circuit breaking rules, allowing parameters to be updated without restarting the

Fabio is a network gateway that provides reverse proxying, layer 7 traffic management, and automated service discovery mapping. It functions as an HTTP reverse proxy, a gRPC and TCP proxy, and a service discovery gateway to route incoming traffic to healthy backend instances. The project distinguishes itself through deep integration with service registries, specifically acting as a Consul load balancer to automatically synchronize routing tables and update destination targets. It manages diverse traffic types using SNI-based routing for raw TCP streams and maintains full protocol compatibilit

Micro is a minimalist Node.js web framework designed for creating lightweight, asynchronous HTTP services and JSON APIs. It serves as a low-footprint library for deploying asynchronous handlers focused on high request volumes and minimal overhead. The framework utilizes a functional request and response model, routing traffic to a single exported asynchronous function as the primary entry point. It specializes in processing incoming JSON requests and returning formatted responses with automated error handling. Core capabilities include request body parsing for JSON, plain text, and binary bu

This project is a reference implementation of a distributed system built using Spring Cloud Alibaba, Spring Boot, and JDK 17. It serves as a comprehensive model for implementing a microservices architecture. The system integrates a wide range of distributed patterns, including global transaction coordination for data consistency, OAuth2 and JWT for identity management, and Kubernetes-based container orchestration. It features a dedicated observability stack for distributed request tracing, log aggregation, and service health monitoring. The implementation covers several functional domains, i

Traefik is a cloud-native load balancer and dynamic reverse proxy designed for microservices traffic routing. It automatically discovers services and generates network routes by listening to infrastructure changes in orchestrators and service registries. The project distinguishes itself through auto-configuring service routing, which eliminates manual configuration by updating routing rules in real time as infrastructure scales. It also provides automated SSL certificate management, utilizing ACME-based automation to request and renew certificates from remote authorities. Additional capabili

Apache Dubbo Go is a Go language implementation of the Apache Dubbo framework designed for building high-performance microservices. It serves as a cross-language RPC framework and microservices communication layer that enables remote procedure calls between services written in different programming languages. The framework functions as a service governance toolset and a distributed service mesh proxy, allowing data planes to connect with external control planes in proxy or proxyless modes. It specifically provides a compatibility layer to facilitate communication between Go and Java-based ser

dubbo-admin is a web-based administration console and management interface for the Apache Dubbo ecosystem. It serves as a centralized tool for configuring and monitoring services, providers, and consumers across distributed microservices architectures. The project functions as a traffic control plane and service governance tool, enabling the implementation of request routing rules, canary deployments, and traffic regulation. It provides a dedicated interface for orchestrating service mesh data planes and proxy configurations to connect services within a unified network management layer. The

brpc is a high-performance C++ RPC framework and network programming library designed for building distributed systems. It functions as a multi-protocol RPC server capable of hosting and detecting multiple communication protocols, including gRPC, Thrift, HTTP, Redis, and Memcached, on a single TCP port. The project distinguishes itself through high-throughput data transport and memory efficiency, utilizing RDMA-based transport to bypass the kernel TCP stack and zero-copy memory management to eliminate data duplication. It also implements the Raft algorithm for consensus-based state replicatio

Linkerd is a Kubernetes service mesh that manages network traffic between microservices. It functions as a transparent networking proxy, layer 7 traffic manager, and mutual TLS security layer, providing observability and reliability for service-to-service communication without requiring changes to application code. The project distinguishes itself through a sidecar-proxy architecture that intercepts TCP and application-level traffic to provide automatic mutual TLS encryption and identity verification. It enables cross-cluster service networking to link multiple clusters and implements cloud-n

Hertz is a high-performance Go HTTP framework designed for building scalable microservices, RESTful APIs, and AI applications. It functions as a high-performance web server and a communication framework for microservices, utilizing non-blocking I/O and zero-copy memory management to handle high-concurrency traffic. The project distinguishes itself through a microservices communication toolkit that supports high-efficiency remote procedure calls via gRPC and Thrift protocols. It implements an asynchronous middleware engine based on an onion model, allowing for a pluggable request-response pipe

This project is a comprehensive microservices development framework designed to build scalable, resilient backend systems. It provides a production-ready runtime that integrates stability patterns directly into the service architecture, ensuring consistent performance and reliability for both web and remote procedure call services even under heavy traffic conditions. The framework centers on an interface-first development model, utilizing a domain-specific language to define service contracts that serve as the single source of truth. This approach powers an extensive code generation ecosystem

Micro is a Node.js HTTP microservices framework used to build asynchronous web servers. It enables the creation of lightweight services that handle requests and responses through single-purpose functions to reduce operational footprint and latency. The framework functions as a JSON API backend and a WebSocket communication server, allowing for the establishment of bidirectional socket connections for real-time data updates and instant messaging. Its capability surface covers HTTP request processing, including the parsing of JSON and URL-encoded request bodies. It also supports external API i

This project is a high-performance, distributed API gateway designed to manage, secure, and observe traffic for microservices, serverless functions, and artificial intelligence model providers. It functions as a dynamic service proxy and cloud-native ingress controller, centralizing policy enforcement and traffic routing through a unified configuration interface that synchronizes state across multiple nodes in real time. The platform distinguishes itself through a highly extensible architecture that utilizes a high-performance scripting engine to execute modular logic directly within the requ

express-validator is a server-side input validation library designed specifically for Express.js applications. It provides middleware that validates and sanitizes incoming HTTP request data against developer-defined rules, collecting all validation failures into a single array for simultaneous error reporting rather than failing on the first error. The library offers a chainable validation API where rules are built by chaining methods on a validation chain object, enabling declarative specification of multiple validators and sanitizers for a single request field. Each validation chain operate

Connexion is a spec-first Python web framework designed to derive server behavior and validation logic directly from a predefined API contract. It enables the development of web services by using an OpenAPI specification to automatically handle routing, request validation, and response serialization. The framework distinguishes itself by acting as an OpenAPI request validator and mock server. It can simulate API behavior by serving example responses based on specification schemas, allowing for frontend development and prototyping before a backend implementation is completed. Additionally, it

Dubbo is a high-performance Java remote procedure call framework and microservice governance platform. It enables communication between distributed services using a remote service orchestrator and a distributed service registry to locate available providers in real time. The system provides a microservice monitoring suite for health tracking and distributed tracing, alongside integrated security plugins for access control. It manages network traffic through routing strategies, rate limiting, and thread pool isolation to maintain system stability. The framework covers broader capabilities in

This project is an educational framework designed to teach the fundamentals of building core distributed systems and web services from scratch in Go. It provides a collection of modular implementations that demonstrate how to construct essential infrastructure components, including web servers, remote procedure call systems, distributed caches, and database abstraction layers. The framework distinguishes itself by focusing on the internal mechanics of these systems rather than providing a high-level abstraction for production use. It covers the implementation of complex architectural patterns

SpringCloud is a development platform for building distributed systems and cloud-native microservices. It provides an integrated framework for microservice development, incorporating service governance, security, and system coordination. The platform features a microservice gateway for managing traffic through dynamic routing and rate limiting, alongside a service registry for discovery. It implements distributed security through token-based authentication, role-based access control, and a specialized system that uses aspect-oriented programming to automatically enforce data-level permissions