Open Source Java Libraries - Page 19
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Java Libraries
View 75 business solutionsBrowse free open source Java Libraries and projects below. Use the toggles on the left to filter open source Java Libraries by OS, license, language, programming language, and project status.
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Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
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99.99% Uptime for MySQL and PostgreSQL DatabasesCloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
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Fragmentation
A powerful library to manage fragmentation on Android
Fragmentation is a powerful library managing Fragment for Android. It is designed for "Single Activity + Multi-Fragments" and "Multi-FragmentActivities + Multi-Fragments" architecture to simplify development processes. Develop complicated nested fragment apps rapidly. Use fragment's stack view dialog to debug easily. Add launch mode, startForResult etc. to provide similar behavior of Activity. Add onBackPressedSupport() method to support back button press monitoring in Fragment. Add onSupportVisible(), onLazyInitView() to simplify dev. Easily manage Fragment transition animations. Simplify the communication between Fragment(EventBusActivityScope module). Added a queue mechanism to completely solve the Fragment multi-touch and extreme transaction problems, and improve stability (at the same time, a new post(Runnable)method is added to allow your custom tasks to be queued). -
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From Java To Kotlin
Your Cheat Sheet For Java To Kotlin
From Java to Kotlin is a practical guide for Android developers transitioning existing codebases and habits from Java to idiomatic Kotlin. Rather than simply showing syntax translations, it emphasizes Kotlin’s expressive features—null safety, extensions, data classes, sealed hierarchies, and higher-order functions—and how to apply them sensibly. Examples illustrate side-by-side Java and Kotlin snippets, revealing opportunities to reduce boilerplate and improve readability. The guide includes best practices for coroutine usage, collection operations, and scoping functions that make asynchronous and functional patterns feel natural. It also discusses interoperability and migration strategies so mixed-language projects remain stable during the transition. The result is a concise playbook that helps teams adopt Kotlin with confidence, writing safer and more maintainable code without losing touch with the underlying platform. -
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GQLx is a SQL-like query language for Google Doc's spreadsheets. The initial release includes both a Java GUI application as well as a console application - while a demonstration Javascript implementation is available online at http://gqlx.twyst.co.za
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$300 Free Credits for Your Google Cloud ProjectsLaunch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
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The aim of GUINNEA (Graphical User Interfaced Neural Network Architecture) is to develop a comfortable and high-featured neural net simulator which is highly configurable and flexible. It will support many neural nets and visualization features for those
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GenericStruts
Simplify Struts2 + Hibernate application development
This library implement common code used in Struts2 + Hibernate MVC applications. -
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Genetic Algorithms Library (in Java)
An API for Java developers who need Genetic Algorithms
This API is intended to help developers use genetic algorithms in their own java applications. GeneticLibrary.zip contains the netbeans project of the API itself. GeneticTrial.zip contains another netbeans project which is an example explaining how to use the API. docs.zip is the documentation of the API. Please take a look there, it is really helpful. I have only two request from who will use this API; USE, UPDATE AND MODIFY IT FREELY JUST NOTE THE ORIGINAL AUTHOR -
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GeoWeb 3D Globe
Geospatial Web 3D Globe Project(To consider S.Korea market)
The goal of "GeoWeb 3D Globe" is developing 3D visualization and utilization module for geospatial data. We are conveniently wide range of developers hope to take advantage of geospatial information. Using three-dimensional spatial information service developed for web-based 3D "GeoWeb 3D Globe" The main contents of the project are as follows: 1. Based on proven open source SW(WWJava) 2. Specializing in 3D visualization of geospatial data 3. Web based service -
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An umbrella project for static data repositories, such as ISO country codes, currency codes, and more to come. For each subject, there will be three stages: data gathering, java repository implementation, generation of files for other technologies.
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MongoDB Atlas runs apps anywhereMongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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Glue Stick dependency injection framework is used for assembling and configuring Java applications from external bean definition and configuration files. There are several supported bean definition file formats, such as Groovy, JSON and Spring XML.
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GoodbyDao
A Fully functional and Simple API Generic DAO
A Fully functional and Simple API Generic DAO. source @: https://github.com/mortezaadi/GoodbyDao -
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Java library implementing simple management of application deployed in Google App Engine. Right now is supported only downloading and parsing of quota details. Which in fact the primary reason of existence of this library.
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Google Cloud Platform Java Samples
Java and Kotlin Code samples used on cloud.google.com
Java and Kotlin Code samples used on cloud.google. This repository holds sample code written in Java that demonstrates the Google Cloud Platform. Every file containing source code must include copyright and license information. This includes any JS/CSS files that you might be serving out to browsers. -
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Gradle Libraries Plugin
This plugin allows to specify versions of external libraries
This plugin allows to specify versions of external libraries in a centralized place and use them across the project. It's specifically useful for Gradle multi-projects. This plugin also uses com.github.ben-manes.versions plugin to automatically update libraries once new releases are available. Run ./gradlew syncLibraries to create $rootDir/dependencies.json file with all currently known dependencies. Once dependencies.json file is in place by generating via syncLibraries task or just by manually creating it, all declared in dependencies.json libraries can be used in project files. It's not a secret that it's really hard to keep libraries up to date especially when there are dozens and sometimes hundreds of them. For that purpose, this plugin has update libraries task that will automatically check for available new versions of libraries. -
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Gravity Simulator
Multithreaded N-Point Gravity Simulation for PC and Android
Create a sun, spin some asteroids around it, and watch them collide and form planets. An N-Point Gravity Simulator is a realistic simulation in which all points attract each other: even the smallest asteroid has its own gravitational field that can affect even a large sun far away from it. Can be reused as a library for making games. If used as library, license is GNU LGPLv3, otherwise it's GNU GPLv3. -
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A shell for the layout manager GroupLayout. It allows to control components' placement using simple 2-dimensional textual schemes. Such approach to GUI creation removes the problem of representing a 2-dimensional GUI by 1-dimensional code.
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Guillotine animation
Provides a simple way to implement guillotine-styled animation
Neat library, that provides a simple way to implement guillotine-styled animation. Builder allows you to customize start delay, duration, interpolation and you can set listener if you want to do staff at the moment when menu has been opened or closed. -
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Java library to easily use Gure Gipuzkoa's public API. (http://guregipuzkoa.net/api/) Java application to easily upload sets of photos to Gure Gipuzkoa.
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GxApp
Open Utilities and/or Examples for GeneXus
Open utilities and/or examples for GeneXus, this includes: Example procedures Usercontrols Utilities Others... -
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This project contains many useful utility classes developed by the fine folks at H9Labs, the research and development arm of Hyper9.
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HE-Collection
HE-Collections - independent from hashCode() and equals(Object)
The Java-Standard-Collections demand correct implementations of the hashCode()- and the equals(Object)- method from any object that is to be stored in a collection. Otherwise, the behavoir of the Java-Standard-Collection is not determined. HE-Collections where implemente in order to store objects in a collection, that brake the contract between equals(Object) and hashCode(), HE-Collections behave predictably even if they contain objects that don't obey the contract. The name "HE" stands for Hashcode and Equals. -
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HEIMDALL
High-End Interface for Monitoring & spatial Data Analysis using L2Norm
HEIMDALL, short for High-End Interface for Monitoring and spatial Data Analysis using L2-Norm, is a set of public libraries written in JAVA which contains routines and algorithms for geodetic hardware connection. To observe objects (in general spatial points) continuous, HEIMDALL’s programmable logic arrays can be used to design monitoring systems. For data analysis an interface to the least-squares program JAG3D can be provided. The serial communication with e.g. inclination sensors, meteorological stations or total stations is handled by the library RXTX. If only a proprietary communication via dynamic-link library (dll are not shared by the project) is supported by the devices, JNA is resorted. Notice, HEIMDALL is not a stand-alone monitoring application. It is only a set of libraries. -
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HTTP Manager for Android
HTTP Library for GET & POST requests in Android Applications
HTTP Manager for Android allows you manage HTTP requests easy and fast. You have to create just one class with urls and implements one interface. -
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Happy Java Library
Multilock, Collections, Controllers, Delegates, Generators, Streams
Helps to develop and test event-based multi-threaded Java application. Because of method called as API-Evolution the Happy Java Library is fully downward compatible. The library contains following functionality: MultiLock, Parallel loops, Collections, Controllers, Generators, Delegates, Streams. -
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Making Hebrew properly searchable by IR software. Right now, most work is being done in our mailing list (planning), and on our github repository (concept code, see below).