Libraries other than Spring Boot for creating web APIs

1. manifold

   1 120 2,745 8.5 Java

   Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

   

   GraphQL: manifold-graphql

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. airlift

   2 1 629 9.8 Java

   Airlift framework for building REST services (by airlift)

   

   Airlift - https://github.com/airlift/airlift

4. RESTEasy

   3 2 1,142 9.2 Java

   An Implementation of the Jakarta RESTful Web Services Specification

   

   REST-Easy - https://resteasy.dev

5. Grails

   4 11 2,915 9.9 Groovy

   Grails - the Web Application Framework

   

   Grails - Spring under the hood. Much less boilerplate. Opinionated, which helps keep things consistent. Uses Spring-Security plugin for authentication.

6. rest

   5 4 397 4.5 Java

   Jakarta RESTful Web Services (by jakartaee)

   

   Take a look at https://github.com/jakartaee/rest/issues/468

7. test-driven-learning

   6 1 0 5.7 Java

   Learning tests

   

   One approach I do not think many consider is starting with the Netty, which is used by many frameworks. We ended up using this for our current product, and while this gives the ultimate flexibility in handling requests it also heightens the bar somewhat for the ones employing its use, as it just gives you the nuts and bolts and it is up to you to make it play nice for your use-cases. I had to write quite a few learning tests to grok it.

8. Netty

   7 57 34,972 9.8 Java

   Netty project - an event-driven asynchronous network application framework

   

   One approach I do not think many consider is starting with the Netty, which is used by many frameworks. We ended up using this for our current product, and while this gives the ultimate flexibility in handling requests it also heightens the bar somewhat for the ones employing its use, as it just gives you the nuts and bolts and it is up to you to make it play nice for your use-cases. I had to write quite a few learning tests to grok it.

9. avaje-jex

   8 3 55 9.2 Java

   Web Routing for the JDK Http server

   

   I created https://github.com/avaje/avaje-jex ... with the hope of helping to move Javalin more in the Java direction but yeah, Javalin isn't going in that direction. So avaje-jex now will follow it's own path (as pretty much a web routing layer that abstracts over various http servers like jetty, grizzly etc with a java and loom focus).

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