Open Source Java Software - Page 12
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Java Software
Browse free open source Java Software and projects below. Use the toggles on the left to filter open source Java Software by OS, license, language, programming language, and project status.
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Gemini 3 and 200+ AI Models on One PlatformBuild generative AI apps with Vertex AI. Switch between models without switching platforms.
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GLPK for Windows
Windows binaries for the GNU Linear Programming Kit (GLPK)
GLPK 4.65 (GNU Linear Programming Kit, http://www.gnu.org/software/glpk/) is a solver for large-scale linear programming (LP), and mixed integer programming (MIP). This project supplies the most recent Windows executables - 2018-03-17. Linux and OSX users should download the source distribution from http://ftp.gnu.org/gnu/glpk -
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Dual panel Android file manager (like Norton or Total Commander). Aside the /sdcard it works with FTP servers, Windows (Samba) network shares (with a plug-in), ZIP archives, etc. Lots more features and customization settings are there. Feel free to add a feature request here: http://tinyurl.com/gc-user Report bugs and issues: http://tinyurl.com/gc-issue
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Mohist 1.20.1
Minecraft Forge Hybrid server implementing the Spigot
Tenet is an open-source experimental project related to Minecraft server or modding infrastructure that explores alternative approaches to building scalable and modular gameplay systems. The project aims to provide developers with a framework for experimenting with advanced server architecture and performance-oriented design. By focusing on modular components and extensible design patterns, Tenet allows developers to create systems that can integrate with other Minecraft tools and frameworks. The architecture encourages experimentation with new networking, gameplay logic, or server extension mechanisms. Projects like Tenet often serve as research platforms where developers test new ideas about game server design, concurrency, and plugin systems. The codebase provides a foundation for building new tools or prototypes related to Minecraft infrastructure. -
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jackson-core
Core part of Jackson that defines Streaming API
This project contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. It also includes the default implementation of handler types (parser, generator) that handle JSON format. The core abstractions are not JSON specific, although naming does contain 'JSON' in many places, due to historical reasons. Only packages that specifically contain the word 'json' are JSON-specific. This package is the base on which Jackson's data-binding package builds on. It is licensed under Apache License 2.0. Alternate data format implementations (like Smile (binary JSON), XML, CSV, Protobuf, and CBOR) also build on this base package, implementing the core interfaces, and making it possible to use standard data-binding packages regardless of underlying data format. -
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xManager
Ad-Free, New Features & Freedom
xManager supports Android. Chrome OS and Windows 11 now have Android support so xManager technically works there (and any system that can emulate Android). There are no current plans to natively support Windows, MacOS, Linux, etc. Android devices have CPUs. Merged is a combination of Armeabi-v7a and Arm64-v8a architecture. Armeabi-v7a is the modern arch that supports floating point operations, and a multi-threading safe is used on multi-cpu devices. It is also 32-bit. If you are determined to run this on a non-android device then fire up an Android emulator. -
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JACOB - Java COM Bridge
JACOB is a JAVA-COM Bridge that allows you to call COM Automation comp
JACOB is a JAVA-COM Bridge that allows you to call COM Automation components from Java. It uses JNI to make native calls to the COM libraries. JACOB runs on x86 and x64 environments supporting 32 bit and 64 bit JVMs This project has moved to https://github.com/freemansoft/jacob-project -
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Java Modelling Tools is a suite of scientific tools for performance analysis and modelling using queueing theory and colored stochastic Petri nets. Models are solved either with analytical, asymptotic or simulation methods; workload characterization tools are also included in the suite. See the project website for more details: http://jmt.sf.net
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AV3DNavigator
Um simples software de navegação 3D, desenvolvido em Java.
Um simples software de navegação 3D, desenvolvido em Java. -
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DragonProxy
A proxy to allow Minecraft: Bedrock clients to connect to Minecraft
A proxy made to allow Minecraft: Bedrock Edition clients to connect to Minecraft: Java Edition servers. -
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J2ME-Loader
A J2ME emulator for Android
J2ME-Loader is a J2ME emulator for Android. It supports most 2D and 3D games (including Mascot Capsule 3D ones). Emulator has a virtual keyboard, individual settings for each application, scaling support. This project is a fork of J2meLoader. Enabling filtering in some cases can greatly reduce performance. Disable this option if the game is too slow. Image flickering issues can be fixed by enabling the "Immediate processing mode" option. -
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WebDriverManager
Automated driver management and helper features for Selenium WebDriver
WebDriverManager is an open-source Java library that carries out the management (i.e., download, setup, and maintenance) of the drivers required by Selenium WebDriver (e.g., chromedriver, geckodriver, msedgedriver, etc.) in a fully automated manner. In addition, WebDriverManager provides other relevant features, such as the capability to discover browsers installed in the local system, building WebDriver objects (such as ChromeDriver, FirefoxDriver, EdgeDriver, etc.), and running browsers in Docker containers seamlessly. The primary use of WebDriverManager is the automation of driver management. For using this feature, you need to select a given manager in the WebDriverManager API (e.g., chromedriver() for Chrome) and invoke the method setup(). The following example shows the skeleton of a test case using JUnit 5, Selenium WebDriver, and WebDriverManager. -
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SocketTest - powerful and small software tool for socket testing. It can create both TCP and UDP client or server. It can be used to test any server or client that uses TCP or UDP protocol to communicate.
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Arianne RPG
Arianne is an engine to develop multiplayer online games like Stendhal
Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world -
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KeyStore Explorer
Free GUI replacement for Java command-line utilities keytool/jarsigner
KeyStore Explorer is a free GUI replacement for the Java command-line utilities keytool and jarsigner. -
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------- 6th Feb 2026 ---------- gamepad support added = Mario_NES_Gamepad_Supported.zip require minimum java 1.8 after starting game with java.exe -jar "Mario.jar" in the main screen you can press z and x to chagen levels -------- settings if u check "skip this next time" and if u want to bring it back simply delete the file "Settings.txt" ( the file is create when u launch game and start game ) -------- controlls : z = run / fire x = jump arrows : left = go left down : duck right = go right i = show controlls menu g = show gamepad buttons -------- this is not for android game , its for windows , mac os and linux
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BRIG is a cross-platform (Windows/Mac/Unix) application that can display circular comparisons between a large number of genomes, with a focus on handling genome assembly data. Please cite the BRIG paper if BRIG is used to generate figures for publications: NF Alikhan, NK Petty, NL Ben Zakour, SA Beatson (2011) BLAST Ring Image Generator (BRIG): simple prokaryote genome comparisons, BMC Genomics, 12:402. PMID: 21824423
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I2P
I2P is an anonymizing network to securely communicate
The Invisible Internet is a privacy-by-design, people-powered network. It is a truly free and anonymizing Internet alternative. Get I2P. The Invisible Internet Project (I2P) is a fully encrypted private network layer. It protects your activity and location. Every day people use the network to connect with people without worry of being tracked or their data being collected. In some cases people rely on the network when they need to be discrete or are doing sensitive work. I2P hides the server from the user and the user from the server. All I2P traffic is internal to the I2P network. Traffic inside I2P does not interact with the Internet directly. It is a layer on top of the Internet. It uses encrypted unidirectional tunnels between you and your peers. No one can see where traffic is coming from, where it is going, or what the contents are. Additionally, I2P offers resistance to pattern recognition and blocking by censors. -
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MaryTTS
An open-source, multilingual text-to-speech synthesis system
MaryTTS is an open-source, multilingual Text-to-Speech Synthesis platform written in Java. It was originally developed as a collaborative project of DFKI’s Language Technology Lab and the Institute of Phonetics at Saarland University. It is now maintained by the Multimodal Speech Processing Group in the Cluster of Excellence MMCI and DFKI. As of version 5.2, MaryTTS supports German, British and American English, French, Italian, Luxembourgish, Russian, Swedish, Telugu, and Turkish; more languages are in preparation. MaryTTS comes with toolkits for quickly adding support for new languages and for building unit selection and HMM-based synthesis voices. -
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SGDK 1.90
A free and open development kit for the Sega Mega Drive
SGDK is a free development kit allowing the development of software in C language for the Sega Mega Drive. It contains the development library itself (with the code sources) and some custom tools used to compile resources. SGDK uses the GCC compiler (m68k-elf target) and the libgcc to generate a ROM image. Binaries (GCC 6.3) are provided for Windows OS for convenience, but you need to install it by yourself for other operating systems. Note that SGDK also requires Java (custom tools require it), so you need to have Java installed on your system. SGDK library and custom tools are distributed under the MIT license (see license.txt file). GCC compiler and libgcc are under GNU license (GPL3) and any software build from it (as the SGDK library) is under the GCC runtime library exception license. -
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Telegram for Android
Telegram messenger for Android
Telegram is a wonderful and private messaging app that offers simple, fast, secure and synced messaging for all your devices. It delivers messages faster than any other application; cloud-based so you can access your messages from any device; and very secure, with messages heavily encrypted and could even self-destruct. Telegram is simple and fun to use, with powerful photo and video editing tools as well as an open sticker/GIF platform to let you express yourself fully. It’s also incredibly powerful. Whether you’re setting up a group chat for up to 200,000 members or sharing large videos or documents, Telegram is up to the task. Best of all it’s completely free and open source, with no ads or subscription fees. -
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Openfiler is a browser-based network storage management utility. Linux-powered, Openfiler delivers file-based Network Attached Storage (NAS) and block-based SAN in a single framework. It supports CIFS, NFS, HTTP/DAV, FTP, and iSCSI.
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Universal Media Server
Streams many media formats with minimal configuration
Universal Media Server is a DLNA-compliant UPnP Media Server Universal Media Server supports all major operating systems, with versions for Windows, Linux and Mac OS X. The program streams or transcodes many different media formats with little or no configuration. UMS is powered by MEncoder, FFmpeg, tsMuxeR, AviSynth, MediaInfo and more, which combine to offer support for a wide range of media formats Check out the list of media renderers here: http://www.universalmediaserver.com/about/ -
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FreeBooth
Free Photo Booth Software for a simple offline photo booth
This is a simple photobooth application. You can take pictures with a camera(e.g. a dslr) and they will be shown in the application immediatly. You need no internet at your event location. Every user can save an Email-adress to his favourit picture and you can send all Emails via the sending wizard when you have internet again e.g. the next day. But it also supportes direct email sending if you have internet. To get the pictures into the booth software you have to use a tethering software like EOS Utility for Windows or gphoto2 or darktable for Linux -
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mendelson AS2
Implementation of the EDIINT AS2 protocol (RFC 4130)
mendelson AS2 is the JAVA-based open source EDIINT AS2 solution. Monitoring- and configuration GUI, async & sync MDN, signatures, encryption, TLS, web interface, pluggable into any servlet container, partner manager, certificate manager, data compression, optional profiles: MA, FN. Localized to Spanish, Italian, Portuguese, German, English, French.
