Repository Index

A type-safe HTTP client for Android and the JVM

• java
• android

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

• rest-api
• rest-client
• sdk
• generator

Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Extends Valkey and Redis with over 60 objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..

• java
• redis
• lock
• map

A barebones WebSocket client and server implementation written in 100% Java.

An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.

• android
• java

Feign makes writing java http clients easier

• java
• http-client
• jax-rs
• okhttp3

Asynchronous, non-blocking HTTP & WebSocket client for the JVM

• netty
• async
• java
• asynchttpclient

🚀 A Complete Fast Android Networking Library that also supports HTTP/2 🚀

• http
• network
• libraries
• android

Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.

• http
• http2
• http-server
• http-client

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.

• mock-server
• proxy
• java-client
• javascript-client

Unirest in Java: Simplified, lightweight HTTP client library.

Simple, high-performance event-driven HTTP client+server for Clojure

• clojure
• async
• websockets
• http-server

An extensible Java library for HTTP request and response logging

• java
• http-logs
• spring-boot-starter
• plugin-extension

Google HTTP Client Library for Java

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

• java
• java-mail
• outlook
• batch-processing

HTTP web applications for Vert.x

• vertx
• reactive
• web
• client

jquick‑curl: Java library to run raw curl commands, support copy‑paste curl from Postman/Apifox/Browser DevTools, no need to write HTTP client code.

• antlr4
• copy-paste
• curl
• curl-parser

High performance reactive SQL client written in Java

• vertx
• postgres
• pg
• async

Java client for NATS

• nats
• java
• client
• messaging

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included

• tls
• truststore
• certificate
• keystore

Slack Developer Kit (including Bolt for Java) for any JVM language

• java
• slack
• slack-api
• slack-bot

🔐 An SSL library for configuring http client or server. Rich with features such as hot reloading ssl and trusting additional certificates during runtime, combining multiple keystores, loading pem files and os/jdk certificates, logging certificate information during ssl handshake, bypassing ssl configuration from other libraries and more

• tls
• ssl
• certificate
• keystore

OpenDJ is an open-source LDAP directory server written in Java. It provides robust, scalable, and secure directory services for identity management, access control, and authentication in enterprise environments. OpenDJ supports LDAPv3 standard, replication, REST APIs, and high-performance

• ldap-server
• ldap
• opendj
• rest

A Java library to use the OpenAI Api in the simplest possible way.

• httpclient
• java
• openai
• simple