Top 12 Java HTTP Server Projects

Armeria

7 4,671 9.6 Java

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.
Jetty

15 3,750 9.9 Java

Eclipse Jetty® - Web Container & Clients - supports HTTP/2, HTTP/1.1, HTTP/1.0, websocket, servlets, and more

Project mention: Example Java Application with Embedded Jetty and a htmx Website | dev.to | 2024-03-28

As described on eclipse.dev/jetty: "Jetty provides a web server and servlet container, additionally providing support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations. These components are open source and are freely available for commercial use and distribution."

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Takes

1 795 8.2 Java

True Object-Oriented Java Web Framework without NULLs, Static Methods, Annotations, and Mutable Objects

Project mention: Show HN: Java REST without annotations, DI nor reactive streams | news.ycombinator.com | 2023-06-11

This is quite similar to Takes (https://github.com/yegor256/takes).
I like both, look cleaner then all the annotation based ones.

DeepfakeHTTP

34 502 1.8 Java

DeepfakeHTTP is a web server that uses HTTP dumps as a source for responses.
Firefly

0 295 6.0 Java

Firefly is an asynchronous web framework for rapid development of high-performance web application. (by hypercube1024)
donkey

8 288 1.4 Java

Modern Clojure HTTP server and client built for ease of use and performance
java-http

8 193 8.0 Java

A full featured, stand-alone, high-performance HTTP server and client written entirely in plain Java

Project mention: Netty VS java-http - a user suggested alternative | libhunt.com/r/netty | 2023-05-25

A full-featured HTTP server and client in plain Java without the use of any libraries. The client and server will use non-blocking NIO in order to provide the highest performance possible.

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
rawhttp

2 187 6.8 Java

HTTP library to make it easy to deal with raw HTTP.
lWS

2 71 0.0 Java

lightweight Web Server (lWS) for Android

Project mention: GitHub – Mvbasov/LWS: Lightweight Web Server (LWS) for Android | news.ycombinator.com | 2023-08-12

avaje-http

5 57 9.4 Java

Controller generation for Javalin, Helidon SE.

Project mention: Avaje HTTP 2.0 Released | news.ycombinator.com | 2023-10-27

java-httpbin

1 44 7.8 Java

A Java-based HTTP server that lets you locally test your HTTP client, retry logic, streaming behavior, timeouts, etc. with the endpoints of httpbin.org

Project mention: httpbin alternatives - go-httpbin and java-httpbin | libhunt.com/r/httpbin | 2023-11-12

avaje-jex

3 19 4.7 Java

Web routing for Jetty, Grizzly, JDK Http server

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).