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External API Gateway Platforms

Platforms for managing and securing external-facing APIs and microservices.

18 projects

50,815 contributors

$7.9B

Envoy

ENVOY IS AN OPEN SOURCE EDGE AND SERVICE PROXY, DESIGNED FOR CLOUD-NATIVE APPLICATIONS.

Contributors

9,965

Organizations

2,192

Software value

$3.8B

Traefik

Traefik is a modern HTTP reverse proxy and load balancer that makes deploying microservices easy. It integrates with existing infrastructure components and automatically configures itself. Traefik handles traffic routing, load balancing, SSL/TLS termination, and service discovery across multiple cloud providers and container orchestration platforms.

Contributors

9,555

Organizations

3,378

Software value

$12M

Kong

Kong is an open-source API gateway and microservices management layer that acts as a middleware between clients and services. It provides features like authentication, rate limiting, transformations, and logging while handling API traffic.

Contributors

5,310

Organizations

1,279

Software value

$14M

OAuth2 Proxy

OAuth2 Proxy is a reverse proxy and static file server that provides authentication using OAuth2 providers to secure HTTP endpoints. It acts as a middleware to protect web applications by requiring users to authenticate via an OAuth2 provider before accessing protected resources.

Contributors

3,875

Organizations

1,236

Software value

$4.5M

Spring Cloud Gateway

An API Gateway built on Spring Framework and Spring Boot providing routing and more.

Contributors

3,691

Organizations

439

Software value

$2.3M

gRPC-Gateway

gRPC-Gateway is a protocol buffer compiler plugin that generates a reverse-proxy server to translate RESTful HTTP/JSON API calls into gRPC requests. It enables exposing gRPC services as REST APIs, allowing clients to interact with gRPC services using standard HTTP methods while maintaining the benefits of gRPC for backend communication.

Contributors

1,976

Organizations

682

Software value

$4.8M

Ocelot

.NET API Gateway

Contributors

1,828

Organizations

217

Software value

$3M

Apache ShenYu

Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.

Contributors

1,819

Organizations

123

Software value

$11M

Tyk API Gateway

Tyk is an open-source API Gateway and Management platform that helps organizations control, monitor, and secure their APIs. It provides features like rate limiting, authentication, analytics, and API versioning to manage API traffic and access.

Contributors

977

Organizations

243

Software value

$8.6M

Apollo Router Core

The Apollo Router Core is a high-performance, configurable GraphQL router and gateway implementation written in Rust. It serves as a key infrastructure component for GraphQL architectures, handling request routing, schema composition, and query execution while providing features like caching, security, and observability.

Contributors

908

Organizations

206

Software value

$18M

Gravitee API Management

Gravitee.io - OpenSource API Management

Contributors

359

Organizations

29

Software value

$50M

Apache Knox Gateway

Mirror of Apache Knox

Contributors

251

Organizations

33

Software value

$8.8M

Kuadrant

The Kuadrant project provides communities and enterprises with a solution for managing and enforcing Kubernetes Gateway policies across single and multi-cluster environments.

Contributors

243

Organizations

34

Software value

$28M

Gloo Gateway

The Cloud-Native API Gateway and AI Gateway

Contributors

93

Organizations

12

Software value

$28M

Netflix Zuul

Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.

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