ProteusLean, mean, and incredibly fast JVM framework for web and microservice development.
Pac4jSecurity engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...
HikakuA library that tests if the implementation of a REST-API meets its specification.
Jersey JwtExample of REST API with JWT authentication using Jersey, Jackson, Undertow, Weld, Hibernate and Arquillian.
FhirThe IBM® FHIR® Server and related projects
Jackson Jaxrs ProvidersMulti-module project that contains Jackson-based JAX-RS providers for JSON, XML, YAML, Smile, CBOR formats
JrestlessRun JAX-RS applications on AWS Lambda using Jersey. Supports Spring 4.x. The serverless framework can be used for deployment.
SummerVertx router with JAX-RS
DropwizardA damn simple library for building production-ready RESTful web services.
PuzzlerbotPDD manager which manages puzzles in issue/PR comments
FeignFeign makes writing java http clients easier
JeddictJakarta EE 8 (Java EE) & MicroProfile 3.2 application generator and modeler
reactive-wizardReactive non-blocking web applications made really easy with JAX-RS and RxJava.
membershipMembership service (to demonstrate graphQL)
id-maskIDMask is a Java library for masking internal ids (e.g. from your DB) when they need to be published to hide their actual value and to prevent forging. It has support optional randomisation has a wide support for various Java types including long, UUID and BigInteger. This library bases its security on strong cryptographic primitives.
rest.vertxA JAX-RS like annotation processor for vert.x verticals and more
spring-rest-2-tsspring rest 2 ts is typescript generator which produces data model and services in typescript based on Spring MVC annotations. It supports generation for Angular and React
catnapPartial JSON response framework for RESTful web services