Open Source Java Software
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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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Custom VMs From 1 to 96 vCPUs With 99.95% UptimeLive migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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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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Cool Reader
A cross-platform XML/CSS based eBook reader
CoolReader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Supported formats: FB2, TXT, RTF, DOC, TCR, HTML, EPUB, CHM, PDB, MOBI. Platforms: Win32, Linux, Android. Ported on some eInk based devices. -
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FreeWRL is an Open Source, cross platform VRML2 and X3D compliant browser, with script, SAI and EAI support. Platforms supported: Linux and other Unix-style platforms; Mac OS/X; Windows. Support for mobile platforms (iOS, Android, QNX) is under development.
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ASAP (Another Slight Atari Player) plays and converts 8-bit Atari music (*.sap, *.cmc, *.mpt, *.rmt, *.tmc, ...) on modern computers and mobile devices.
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BlueCove is a JSR-82 implementation on Java Standard Edition (J2SE) on BlueZ Linux, Mac OS X, WIDCOMM, BlueSoleil and Microsoft Bluetooth stack on WinXPsp2 and newer. Originally developed by Intel Research and currently maintained by volunteers.
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Forever Free Full-Stack Observability | Grafana CloudBuilt on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
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db4o is the world's leading open source object database for Java and .NET. Leverage fast native object persistence, ACID transactions, query-by-example, S.O.D.A object query API, automatic class schema evolution, small size (http://developer.db4o.com)
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DictionaryForMIDs
Dictionary for Mobile Information Devices and PCs
DictionaryForMIDs is an dictionary application for cell phones, tablets and PCs. The dictionary is completely installed on the device ("offline dictionary"), i.e. after installation there is no need for an internet connection. DictionaryForMIDs can be set up for any dictionary, for any language, or for any other lookup-purpose. The DfM-Creator tool is used to set up a dictionary for use with DictionaryForMIDs. -
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i-Blue 747 / i-Blue 757 / Qstarz BT-Q1000 / i.Trek Z1 / Konet BGL-32 / Holux M-241 / ... control SW (for Java Phones, PalmOS, WinCe (PPC), Java platforms, Windows, Linux, and MacOS). Compatible with most MTK GPS Chipset based loggers.
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Mobile Open-Source Software and Tools
Android, UIQ 3.0, Series 60 Edition 5 open-source software
Android, Symbian UIQ 3.0 and Symbian Series 60 Edition 5 open-source software, tools, libraries and themes. Most notable the FX-602P / FX-603P Simulator and the HP-45 Emulator are hosted here. -
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Lightweight, fast, Java-centric Lua interpreter written for JME and JSE, with string, table, package, math, io, os, debug, coroutine & luajava libraries, JSR-223 bindings, all metatags, weak tables and unique direct lua-to-java-bytecode compiling.
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AI-generated apps that pass security reviewRetool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
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XiangQi Wizard (Chinese Chess Wizard) is a powerful XiangQi (chinese chess) program, which supports UCCI engines. XQWizard Light is the Mobile version for Windows CE and Java ME. ElephantEye is the UCCI engine in XQWizard with strong AI.
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jTarot is a tarot personal advisor. jTarot will do a "reading" for you when you need advice. A reading displays a number of cards and then describes what these cards mean. You take the reading and apply the meanings of the cards to your situation.
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SquirrelJME
Java ME Compatible Environment
SquirrelJME is intended to be a Java ME 8 compatible environment for strange and many other devices. The source is written in pure Java and is licensed under the GNU GPLv3+. -
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sasplanetj
Java-based SAS.Planet minimalist mobile client
A java-based light version of SAS.Planet map/satellite navigation application. Developed to work on mobile devices (WinCE, LinuxMobile). Supports multiple geo data sources (Google, Yandex, OpenStreetMap, VirtualEarth, WikiMapia, etc.). Uses cache of SAS.Planet. -
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Microlog is a small, yet powerful logging library for mobile devices based on the Log4j API. Supports Java ME (J2ME) and Android. Logs to device, to PC or to servers online. Used in all phases from development on emulator/device to outdoor field-testing.
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RSS Reader is a mobile J2ME (Java ME) app. that runs on Java enabled phones. User can store multiple RSS/ATOM feeds as bookmarks. Can import from OPLM file or HTML file with links. Can read offline. MIDP 2.0/some MIDP 1.0. Specify which MIDP w/issue
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A C#, C++, Delphi, ActiveX ,javascript and Java trace framework and a trace viewer: Tail, outputDebugString, event log, Log4J, Log4Net, Microsoft EIF support and Pocket PC development (C++ and .NET)
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Timer for speech and debate competitions. Keeps track of speech order, time limits, and prep time for various debate formats (Policy, LD, Parliamentary, Public Forum, etc.) and individual events. Gives verbal and visual time signals.
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QMC Logic Minimizer
combinational logic functions minimization
QMC Logic Minimizer is a versatile application for fast simplifying truth and reduce lines tables. This program offers a comfortable user interface for generating and minimizing of the combinational logic functions. It is unique for its possibility of minimizing several functions at the same time. This program is intended for practical digital devices constructors as well as formal scholars and academics. Features: - You can minimize up to 16 input variables and up to 16 output variables. - You can also reduce the number of table rows. - It allows you to name the input and output variables. - The table can be exported to HTML file and then you can use it in e.g. MS Word. - This program provides a comfortable interface, you can change fonts and colors. - It works on MS Windows, GNU/Linux, Mac OS. -
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An application to provide a worldwide mobile secure/confidential payment system over the internet and other kinds of insecure/unreliable networks
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MicroZip
Create,extract and encrypt ZIP,GZIP,TAR,BZIP2,TAZ files on Java mobile
MicroZip is a powerful file compression and encryption utility for mobile phones which allows you to create and extract compressed archives in multiple formats and encrypt sensitive information with powerful AES-256 encryption. MicroZip can create and extract ZIP,TAR,TGZ,TBZ2 archives and extract many other formats as JAR,GZ,BZ2,TBZ,WAR,BZIP2,GZIP,Z,TAZ,CBZ etc. MicroZip allows you to extract selected files without extracting the whole ZIP archive. MicroZip also supports encrypted ZIP archives with both classic ZIP encryption and AES 256 encryption algorithm. -
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OSwiss
Program for tournament management.
Tournament management software for various sports that uses swiss pairing system. Program invented for tournament organisers. It assists in managing events, calculates standings, ratings, supports printing and checking player cards. If something goes wrong during tournament, it is posibble also to enter pairings manually. Project is written in Java SE designed for PC and J2ME for mobile phones. DEAR USER If you are missing any features in this software, please open a ticket and describe them. -
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OpenAPC
An open process control and laser engraving software solution
An extensive and multi-platform visualisation, process control and HMI application that supports many different devices via an open plug-in interface. Beside a visual GUI editor a debugger is part of the package. -
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OpenAstrology is Java based Object-orientated implementation of Astrology. OpenAstrology will provide a platfrom to plug-in in the knowledge of Astrology and the derived solution will be the best real time Astrology solution
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PLEXIL (plan execution software)
Plan execution language and executive
NOTE: Since 2022 this hosting of PLEXIL is deprecated. PLEXIL has moved to GitHub at https://github.com/plexil-group/plexil. Documentation is found at https://plexil-group.github.io/plexil_docs. Please use these new locations. PLEXIL is a plan execution language and technology developed by NASA and used in automation and autonomy applications at NASA and in the public sector. This software includes compilers for the language, the executive (runtime environment), and related tools. It runs on Unix-based computers, including macOS and Linux.
