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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.

  • Orchestrate Your AI Agents with Zenflow Icon
    Orchestrate Your AI Agents with Zenflow

    The multi-agent workflow engine for modern teams. Zenflow executes coding, testing, and verification with deep repo awareness

    Zenflow orchestrates AI agents like a real engineering system. With parallel execution, spec-driven workflows, and deep multi-repo understanding, agents plan, implement, test, and verify end-to-end. Upgrade to AI workflows that work the way your team does.
    Try free now
  • Auth0 for AI Agents now in GA Icon
    Auth0 for AI Agents now in GA

    Ready to implement AI with confidence (without sacrificing security)?

    Connect your AI agents to apps and data more securely, give users control over the actions AI agents can perform and the data they can access, and enable human confirmation for critical agent actions.
    Start building today
  • 1
    Doxygen
    Doxygen is a JavaDoc like documentation system for C++, C, Java and IDL.
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    Downloads: 11,072 This Week
    Last Update:
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  • 2
    Technical analysis library with indicators like ADX, MACD, RSI, Stochastic, TRIX... includes also candlestick pattern recognition. Useful for trading application developpers using either Excel, .NET, Mono, Java, Perl or C/C++.
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    Downloads: 11,551 This Week
    Last Update:
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  • 3
    Firebird

    Firebird

    A powerful, cross platform, SQL database system

    Firebird RDBMS offers ANSI SQL features & runs on Linux, Windows & several Unix platforms. Features excellent concurrency & performance & powerful stored procedure & trigger language. More information and downloads at https://firebirdsql.org/, issue tracker is https://github.com/FirebirdSQL/firebird/issues
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    Downloads: 2,930 This Week
    Last Update:
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  • 4
    FreeImage is a library project for developers who would like to support popular graphics image formats (PNG, JPEG, TIFF, BMP and others). Some highlights are: extremely simple in use, not limited to the local PC (unique FreeImageIO) and Plugin driven!
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    Downloads: 1,807 This Week
    Last Update:
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 5
    Selenium

    Selenium

    Browser automation framework and ecosystem

    Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily it is for automating web applications for testing purposes, but is certainly not limited to just that. Boring web-based administration tasks can (and should) also be automated as well. If you want to create robust, browser-based regression automation suites and tests, scale and distribute scripts across many environments, then you want to use Selenium WebDriver, a collection of language specific bindings to drive a browser - the way it is meant to be driven. If you want to create quick bug reproduction scripts, create scripts to aid in automation-aided exploratory testing, then you want to use Selenium IDE; a Chrome and Firefox add-on that will do simple record-and-playback of interactions with the browser. If you want to scale by distributing and running tests on several machines and manage multiple environments from a central point.
    Downloads: 128 This Week
    Last Update:
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  • 6
    Provides optical character recognition (OCR) solutions for Vietnamese language.
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    Downloads: 310 This Week
    Last Update:
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  • 7
    JExcelApi is a java library which provides the ability to read, write, and modify Microsoft Excel spreadsheets. This project mirrors the files on http://www.jexcelapi.org, which has been known to go down on occasion.
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    Downloads: 232 This Week
    Last Update:
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  • 8
    Banish crusty code with the Uncrustify C/C++/C#/D/Java/Pawn source code beautifier. It indents, adds newlines, aligns, etc, and is highly configurable.
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    Downloads: 164 This Week
    Last Update:
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  • 9
    ASAP - Another Slight Atari Player
    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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    Downloads: 181 This Week
    Last Update:
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  • The Original Buy Center Software. Icon
    The Original Buy Center Software.

    Never Go To The Auction Again.

    VAN sources private-party vehicles from over 20 platforms and provides all necessary tools to communicate with sellers and manage opportunities. Franchise and Independent dealers can boost their buy center strategies with our advanced tools and an experienced Acquisition Coaching™ team dedicated to your success.
    Learn More
  • 10
    Grassroots DICOM

    Grassroots DICOM

    Cross-platform DICOM implementation

    Grassroots DiCoM is a C++ library for DICOM medical files. It is accessible from Python, C#, Java and PHP. It supports RAW, JPEG, JPEG 2000, JPEG-LS, RLE and deflated transfer syntax. It comes with a super fast scanner implementation to quickly scan hundreds of DICOM files. It supports SCU network operations (C-ECHO, C-FIND, C-STORE, C-MOVE). PS 3.3 & 3.6 are distributed as XML files. It also provides PS 3.15 certificates and password based mecanism to anonymize and de-identify DICOM datasets.
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    Downloads: 106 This Week
    Last Update:
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  • 11
    IKVM.NET is a JVM for the Microsoft .NET Framework and Mono. It can both dynamically run Java classes and can be used to convert Java jars into .NET assemblies. It also includes a port of the OpenJDK class libraries to .NET.
    Downloads: 47 This Week
    Last Update:
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  • 12
    respite vpn - ssh & openvpn injector

    respite vpn - ssh & openvpn injector

    Bypass your ISP's firewalls and connect to the internet!

    Source: https://github.com/AlizerUncaged/HTTP-Injector respite is a SSH/openVPN client that allows you to connect to the internet with custom injected HTTP Proxy headers. This application requires Java (https://www.java.com/en/download/) and .Net 4.5 (https://www.microsoft.com/en-ph/download/details.aspx?id=42642 .Net 4.5 is already preinstalled in Windows 10). There are many SSH and OpenVPN Server providers in the internet, one is https://www.tcpvpn.com HTTP Proxy responses override (source code): https://github.com/AlizerDoesJava/respite-proxy-override Please rate, any feedback is appreciated. The application and server providers are free.
    Leader badge
    Downloads: 128 This Week
    Last Update:
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  • 13
    SimpleITK
    SimpleITK: a simplified layer build on top of the Insight Toolkit (ITK), intended to facilitate its use in rapid prototyping, education and interpreted languages.
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    Downloads: 76 This Week
    Last Update:
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  • 14
    reacTIVision
    reacTIVision is a computer vision framework for the fast and robust tracking of markers attached on physical objects, and the creation of multi-touch surfaces. It was designed for the rapid development of table-based tangible user interfaces.
    Downloads: 36 This Week
    Last Update:
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  • 15
    ScadaBR

    ScadaBR

    Open source SCADA

    We are now on GitHub: https://github.com/ScadaBR/ScadaBR ScadaBR is a SCADA (Supervisory Control and Data Acquisition) system with applications in Process Control and Automation, being developed and distributed using the open source model.
    Leader badge
    Downloads: 71 This Week
    Last Update:
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  • 16
    Importer library to import assets from different common 3D file formats such as Collada, Blend, Obj, X, 3DS, LWO, MD5, MD2, MD3, MDL, MS3D and a lot of other formats. The data is stored in an own in-memory data-format, which can be easily processed. www.open3mod.com/ is a 3D model viewer and exporter based on Assimp that is also Open Source.
    Downloads: 34 This Week
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  • 17

    ConcatPDF

    PDF Concatenation Tool

    ConcatPDF is the tool to concatenate PDF files. It can concatenate, extract, encrypt, decrypt, configure PDF files, convert image files to PDF. GUI version and CUI version are both available. iText.NET is iText porting on .NET Framework by J#. This library allows you to generate PDF, (X)HTML, XML, RTF files on Microsoft.NET Framework including ASP.NET.
    Downloads: 42 This Week
    Last Update:
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  • 18
    SMC - The State Machine Compiler

    SMC - The State Machine Compiler

    Translates state machine into a target programming language.

    SMC takes a state machine stored in a .sm file and generates a State pattern in 14 programming languages. Includes: default transitions, transition args, transition guards, push/pop transitions and Entry/Exit actions. See User Manual for more info.
    Leader badge
    Downloads: 29 This Week
    Last Update:
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  • 19

    UnicodeConverter

    A Java/Windows/.NET document conversion utility

    A Java/Windows/.NET conversion utility. Convert text, RTF, HTML, and Word/Excel/PowerPoint documents in Vietnamese legacy formats (VNI, VISCII, VPS, TCVN3, or VIQR), NCR (windows-1252, iso-8859-1), and Unicode Composite (NFD) to Unicode Precomposed (NFC) format
    Leader badge
    Downloads: 85 This Week
    Last Update:
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  • 20

    MPXJ

    Multi platform library to read and write schedule data

    MPXJ is an open source file handling library for Java, .Net and Ruby to read and write Microsoft Project MPX and MSPDI XML files, Planner files, Primavera XER files and databases, Asta Powerproject files and databases, Asta Easyplan files, Phoenix Project Manager files, FastTrack FTS files, GanttProject GAN files, TurboProject PEP files, ConceptDraw PROJECT CDPX, CPDZ and CPDTZ files, Synchro Scheduler SP files and MPP, MPT, and MPD files for Project 98, 2000, 2002, 2003, 2007, 2010, 2013, 2016 and 2019.
    Leader badge
    Downloads: 21 This Week
    Last Update:
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  • 21
    Ares
    Ares stands for Aural RPG Experience System. It is used to create and play music lists, background sounds or special sound effects for different situations during (pen & paper) role-playing.
    Downloads: 33 This Week
    Last Update:
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  • 22
    Gps Cell Phone Tracker

    Gps Cell Phone Tracker

    Tracks IOS and Android cell phones

    THE ORIGINAL GPS TRACKER - Version 7.0.0 A complete GPS tracking system featuring newly rewritten iOS, Android, and PHP/JS server components with modern code practices. Track mobile devices in real-time with customizable update intervals, background tracking, and a responsive web interface supporting multiple map providers. This major update includes: - Complete Kotlin rewrite of the Android client - New Swift/SwiftUI iOS client - Modernized PHP/JS server with clean architecture - Comprehensive inline documentation Live demo: https://www.websmithing.com/gpstracker/map For questions, contributions, or the latest updates, please visit our GitHub repository: https://github.com/nickfox/GpsTracker
    Downloads: 18 This Week
    Last Update:
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  • 23
    Repeat

    Repeat

    Mouse/keyboard record/replay and automation hotkeys/macros creation

    Full-fledged mouse/keyboard record/replay and automation hotkeys/macros creation using modern programming languages, and more advanced automation features. Working across three major OSes: Windows, OSX, and Linux. See more at https://github.com/repeats/Repeat Repeat yourself with some intelligence. This, if used correctly, can improve your productivity greatly.
    Leader badge
    Downloads: 89 This Week
    Last Update:
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  • 24
    RECOIL

    RECOIL

    Retro Computer Image Library

    Retro Computer Image Library decodes Amiga, Amstrad CPC, Apple II, Atari 8-bit, Atari Portfolio, Atari ST/TT/Falcon, BBC Micro, Commodore 64, Commodore 16/116/Plus4, Commodore 128, Electronika BK, FM Towns, HP 48, Macintosh 128K, MSX, NEC PC-80/88/98, Oric, SAM Coupe, Sharp X68000, Tandy 1000, Timex 2048, TRS-80, TRS-80 Color Computer, ZX81 and ZX Spectrum picture formats. The project contains a simple viewer, plug-ins for general-purpose image viewers and editors, and an everything-to-png converter.
    Leader badge
    Downloads: 47 This Week
    Last Update:
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  • 25
    Roblox Auto Clicker & Macro

    Roblox Auto Clicker & Macro

    Roblox but have auto clicker. Don't waste your time for click.

    Free auto clicker for Roblox. You don't need to click manually, let us do it for you. This program made by UfukGames and supporting 3 languages (Türkçe,Deutsch, English). You can use this program as an macro also. This program scanned before published.
    Leader badge
    Downloads: 49 This Week
    Last Update:
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