Payara Server is an open source, cloud-native middleware platform supporting reliable and secure deployments of Java EE (Jakarta EE) applications on premise, in the cloud or hybrid environments.
- Web Server
- Free • Open Source
- Mac
- Windows
- Linux
- Java

Browse 176 Java Libraries and Tools on AlternativeTo.
Payara Server is an open source, cloud-native middleware platform supporting reliable and secure deployments of Java EE (Jakarta EE) applications on premise, in the cloud or hybrid environments.

Apache NiFi is an easy to use, powerful, and reliable system to process and distribute data.

A simple program for managing daily annotations, attachments and attributes.

Slide show and Bible verses. Agility, practicality and organization in the presentation of letters and verses.

Apache OpenMeeting is a free and open-source software for group communication and collaboration. It provides virtual "meeting rooms" for users to collaborate through video conferencing and messaging and features a white board for collaborative drawing as well as...

Mockito is a mocking framework that tastes really good. It lets you write beautiful tests with a clean & simple API. Mockito doesn’t give you hangover because the tests are very readable and they produce clean verification errors.
Persism is a light weight, auto discovery, autoconfiguration, and convention over configuration ORM (Object Relational Mapping) library for Java 17 or later.
DIagrams Through Ascii Art (ditaa) is a small, command-line tool built with Java to convert diagrams drawn ASCII art into bitmap graphics. ditaa interprets ascci art as a series of open and closed shapes, but it also uses special markup syntax...

MCEdit is an open source world editor for the popular game Minecraft. MCEdit was first created to allow players to preserve anything built with several old versions of Minecraft and take them forward into newer versions of the game.

INCEpTION is a text-annotation environment useful for various kinds of annotation tasks on written text. Annotations are usually used for linguistic and/or machine learning concerns. INCEpTION is a web application in which several users can work on the same annotation project...

Talos is an open source, node based particle effect editor that can be used in game development. It features a powerful but intuitive, drag-and-drop interface with the ability to import legacy LibGDX files for easy, visual editing.

A Music programming language. Translates source code into MIDI. Includes a player. Supports MIDI-Karaoke. Includes a MIDI analyzer.

ConfigCat.com lets you launch new features and change your software configuration remotely without actually (re)deploying code. ConfigCat SDKs enable easy integration with any web, mobile or backend applications.

signal-cli is a commandline interface for the Signal messenger. It supports registering, verifying, sending and receiving messages. signal-cli uses a patched libsignal-service-java, extracted from the Signal-Android source code.
IzPack is a one-stop solution for packaging, distributing and deploying applications.

The “Java Decompiler project” aims to develop tools in order to decompile and analyze Java 5 “byte code” and the later versions.

SkyDocs is a software that takes your MarkDown files and build a complete website with some magic tricks !

Towards a Public Data Infrastructure for a Large, Multilingual, Semantic Knowledge Graph

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features.
We're Open Source.

A web-based notebook that enables interactive data analytics. You can make beautiful data-driven, interactive and collaborative documents with SQL, Scala and more.

BinEd is a hex editor tool, which allows to directly browse and edit content of any file or binary data.

Permit.io is the permissions infrastructure for the internet. It is a fullstack authorization solution that enables developers to bake in access control into their code in minutes and be ready for future requirements from customers and regulators.

The Impact client is an advanced utility mod for Minecraft, it is based on ClientAPI and includes a large number of useful mods.
State of the Art Natural Language Processing
The first production grade versions of the latest deep learning NLP research.
Nuncabola is a rewrite of the free-software 3D ball game Neverball in Java.
