Open-source alternatives to Go Grpc Middleware

This project is a .NET implementation of the gRPC framework, providing a system for executing functions on remote servers as if they were local calls. It serves as a high-performance remote procedure call (RPC) framework that utilizes HTTP/2 for service connectivity and binary communication protocols to ensure efficient data exchange. The implementation includes a gRPC-Web proxy, which acts as a translation layer to enable browser-based applications to communicate with gRPC services through web-compatible requests. It further supports the creation of HTTP/2 service meshes to connect distribut

Armeria is a Netty-based microservice framework used for building high-performance asynchronous services. It functions as a multi-protocol RPC server capable of exposing gRPC, Thrift, and REST services on a single unified port. The project is distinguished by its ability to run diverse communication protocols simultaneously and its integrated RPC debugging web console, which allows for the discovery and invocation of remote procedure calls via JSON. It also includes a gRPC to JSON transcoder to enable web client compatibility with Protobuf services. The framework provides a comprehensive sui

This repository is a technical documentation site and a collection of guides and references for implementing networking, security, and cloud infrastructure services. It functions as a static-site generated portal and a headless content platform, separating source files from the presentation layer to enable flexible rendering. The project utilizes markdown-based documentation stored in a version-controlled Git repository. It provides specialized technical content including an AI platform documentation for building agents and managing inference, a cloud infrastructure guide for DNS and CDN conf

urllib3 is a Python HTTP client library used to send network requests and receive responses. It provides core components for managing HTTP connection pools, routing traffic through proxies, validating TLS certificates, and executing automatic request retries. The library focuses on network reliability and efficiency by maintaining a system that reuses established connections to multiple hosts to reduce latency. It ensures secure communication through client-side certificate verification and handles transient network errors using policy-based retry logic. The project covers broad networking c

🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API

Helicone is an AI gateway and observability platform designed to intercept, manage, and monitor interactions with large language models. By acting as a reverse-proxy, it provides a centralized layer for routing requests across multiple AI providers, allowing developers to maintain consistent application logic while gaining deep visibility into model performance, usage, and costs. The platform distinguishes itself through a robust suite of traffic management and prompt engineering tools. It enables policy-driven control, including automatic failover between providers, rate limiting, and edge-b

This project is a middleware for the Express web framework designed to restrict request frequency and protect server capacity. It functions as a traffic throttler that intercepts incoming requests to evaluate and enforce limits based on client identity within defined time windows. The system distinguishes itself through a pluggable data store pattern that allows for distributed rate limiting. By delegating hit count storage to external databases, it ensures consistent request tracking across multiple server instances and maintains state across process restarts. The library provides comprehen

Rack-attack is a middleware rate limiter and request filter for the Rack interface. It provides a system for throttling HTTP requests and maintaining IP address blocklists to protect applications from malicious traffic and denial-of-service attacks. The project enables application layer DDoS mitigation and API rate limit management by identifying and rejecting requests from banned clients or abusive IP addresses. It allows for the definition of safelists to bypass filters and uses custom logic to determine if a client should be blocked or throttled. The tool covers comprehensive traffic mana

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

Kratos is a toolkit for building cloud-native microservices in Go. It provides a comprehensive suite of framework primitives, including a dedicated toolset for API-first development using Protobuf to generate server and client code for gRPC and HTTP. The project is distinguished by its pluggable service infrastructure, which allows for the swapping of configuration stores, service registries, and data encoding formats. It utilizes a composable middleware pipeline to inject cross-cutting concerns such as authentication, request validation, and circuit breaking into the service flow. The frame

Connect-go is a library for building type-safe remote procedure call services that are wire-compatible with gRPC and HTTP. It provides a Go implementation of Protocol Buffers for structured data exchange, enabling the creation of multi-protocol RPC servers and generated type-safe clients. The framework is distinguished by its polyglot protocol support, allowing a single server handler to serve requests using several different protocols simultaneously over HTTP. This includes the ability to toggle between different transport protocols for the same service and the use of pluggable content negot

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

Tower is a modular service abstraction layer for the Rust programming language, providing a framework for building asynchronous request-response pipelines. It serves as a set of core components for managing backpressure, balancing loads, and abstracting service discovery. The project distinguishes itself through a layer-based middleware composition model, allowing services to be wrapped in recursive chains of decorators. This enables the declarative application of cross-cutting concerns, such as timeouts, rate limiting, and retries, in a protocol-agnostic manner. The library covers a broad r

ofetch is an HTTP client built on the native fetch API that adds automatic JSON serialization, request/response interceptors, configurable retry, and timeout handling. It provides descriptive error objects for non-OK responses and automatically parses response bodies based on their content type. The client supports creating pre-configured instances with preset base URLs, headers, and default options, enabling consistent configuration across a project. It offers full TypeScript type inference for response data and request payloads, and allows extending request options with custom properties wh

This project is a comprehensive Java backend engineering guide and technical reference focused on high-concurrency design, distributed systems, and microservices architecture. It provides detailed strategies for decomposing monolithic applications, managing service discovery, and implementing the architectural patterns required for scalable backend environments. The repository distinguishes itself through an extensive collection of big data algorithmic references and database scaling strategies. It covers memory-efficient techniques for analyzing massive datasets, such as Top-K element extrac

Moleculer is a Node.js microservices framework designed for building distributed systems. It functions as a distributed service broker, task orchestrator, and service mesh framework, enabling a decentralized architecture with built-in service discovery and load balancing. The project differentiates itself through a pluggable transport layer supporting protocols such as NATS, Redis, TCP, and Kafka, as well as a dedicated microservices API gateway that maps external HTTP and WebSocket requests to internal service actions. It includes built-in fault tolerance mechanisms, including circuit breake

Contour is a Kubernetes ingress controller that manages external HTTP and TCP traffic by orchestrating Envoy proxy instances. It functions as a control plane that translates declarative Kubernetes API objects into dynamic proxy configurations, enabling real-time traffic management without requiring infrastructure restarts. The system distinguishes itself through a focus on multi-tenant cluster networking and delegated configuration. By allowing routing rules to be partitioned across namespaces, it enables multiple teams to securely manage their own traffic policies within a shared cluster. It

The NGINX Ingress Controller is a Kubernetes-native traffic manager that handles external requests and routes them to internal services. It translates Kubernetes API objects and annotations into proxy configurations to manage incoming HTTP, TCP, and UDP traffic. The controller distinguishes itself through advanced traffic steering and security integration. It supports blue-green and canary traffic splitting, as well as content-based and regex path routing. Security is handled at the edge via a web application firewall, denial-of-service protection, and a variety of authentication methods incl

This project is a Python client library for interacting with Google Maps web services to retrieve geospatial, routing, and place data. It provides a programmatic interface for developers to access geocoding, elevation, time zone, and point-of-interest services. The library implements automatic exponential backoff and request retries to handle intermittent server errors and rate limit exceedances. It manages communication through credential-based authentication and session-based connection pooling to reduce latency across repeated API calls. The capability surface covers bidirectional geocodi

Kitex is a high-performance remote procedure call framework for building distributed microservices in Go. It provides a communication system compatible with gRPC and Protobuf standards and includes a suite of tools for microservices governance. The framework features proxyless service mesh integration, which allows it to manage network traffic and governance directly without adding sidecar proxy latency. It optimizes data throughput through a high-performance communication library that minimizes memory copies. The system covers a broad surface of distributed capabilities, including service d

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

Vercel is a cloud platform for building, deploying, and scaling web applications. It provides a unified infrastructure that automates the build process by detecting project frameworks and distributing static and dynamic content through a global content delivery network. The platform executes application logic using serverless functions that scale automatically based on real-time traffic demand. The platform distinguishes itself through a centralized AI gateway that proxies requests to multiple model providers, enabling standardized authentication, observability, and cost tracking. It supports

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

Iris is a high-performance web framework and API toolkit for the Go programming language. It provides the infrastructure necessary to build HTTP/2 web applications, REST APIs, and MVC-based websites. The project distinguishes itself through a flexible architectural model that supports multiple isolated application instances within a single process and allows for binary-embedded asset loading to eliminate external filesystem dependencies. It features dynamic router hot-reloading and a pluggable view engine for rendering dynamic HTML content. The framework covers a broad range of capabilities,

Martini is a web framework for the Go programming language that provides a toolkit for building web applications. It functions as a routing engine and an HTTP middleware pipeline to map network requests to specific handler functions. The framework is distinguished by its dependency injection system, which automatically resolves and provides requested service types as arguments to handler functions. This allows for the decoupling of business logic from infrastructure by matching requested types against a registry of available services. The project covers a broad range of web capabilities, inc

Feign is a declarative Java HTTP client framework that maps method signatures to REST API requests. It functions as an HTTP interface mapper, allowing the creation of type-safe clients by defining service interfaces with annotations to eliminate manual request logic. The framework features a pluggable HTTP transport layer, which decouples request definition from execution by routing network traffic through interchangeable underlying HTTP engines. It provides a comprehensive request management pipeline including interceptors for modifying headers, policy-driven retry logic for failure recover

This project is a comprehensive library of reference implementations and patterns for building web applications using the Go Fiber framework. It provides curated templates and implementation guides for creating REST APIs, web servers, and structured backend services. The repository serves as a practical resource for applying architectural patterns, including Clean and Hexagonal architectures, as well as port-and-adapter decoupling. It offers detailed examples for integrating common web features such as OAuth2 authentication, JWT verification, WebSockets for real-time communication, and server