JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.

Seed4J is a modular code generator with clean architecture

Ultimate Component Suite for Jakarta Faces

Vert.x is a tool-kit for building reactive applications on the JVM

Apache MyFaces Core

PrimeFaces Extensions

JoinFaces: JSF Spring Boot Starters - JSF inside Spring Boot Application

Provides Java models for Chart.js

To make Faces life easier

Cloud-Native Storage and Enterprise Content Services (ECMS) for Spring

Finite state machine class generator for java, exports graphml, supports immutability!

HtmlFlow Java DSL to write typesafe HTML

Thumbnailator - a thumbnail generation library for Java

Implements some JAXB plugins to generate advanced contract scenarios from XSD

Spring Statemachine is a framework for application developers to use state machine concepts with Spring.

Plugin Framework for Java (PF4J)

A maven release plugin that is fast, does not add extra commits, and works well with single or multiple modules

Implementing Attribute-based Access Control (ABAC) with Spring and SAPL

jQuery plugin offering an interface to create complex queries

Fault tolerance and resilience patterns for the JVM

squirrel-foundation is a State Machine library, which provided a lightweight, easy use, type safe and programmable state machine implementation for Java.

Hyperjaxb3 provides relational persistence for JAXB objects

Java library for use with Chart.js javascript library

File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file upload…

A Java validation framework leveraging fluent interface style and JSR 303 specification

Integration of ChartJs with Wicket

MVP4J is a useful framework that is based primarily on practical design pattern MVP (Model View Presenter),it supports the different libraries Swing, AWT and JAVAFX ( comming very soon ).