Showing 13307 open source projects for "java open source"

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    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

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  • 1
    ngspice
    Ngspice project aims to improve the spice3f5 circuit simulator.
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    Downloads: 1,923 This Week
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  • 2
    GNSS-SDR

    GNSS-SDR

    An open source software-defined GNSS receiver

    An open source software-defined Global Navigation Satellite Systems (GNSS) receiver written in C++ and based on the GNU Radio framework.
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    Downloads: 1,245 This Week
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  • 3
    Armadillo

    Armadillo

    fast C++ library for linear algebra & scientific computing

    * Fast C++ library for linear algebra (matrix maths) and scientific computing * Easy to use functions and syntax, deliberately similar to Matlab / Octave * Uses template meta-programming techniques to increase efficiency * Provides user-friendly wrappers for OpenBLAS, Intel MKL, LAPACK, ATLAS, ARPACK, SuperLU and FFTW libraries * Useful for machine learning, pattern recognition, signal processing, bioinformatics, statistics, finance, etc. * Downloads:...
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    Downloads: 2,826 This Week
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  • 4
    Sky Chart / Cartes du Ciel
    SkyChart is a software to draw chart of the night sky for the amateur astronomer from a bunch of stars and nebulae catalogs. See main web page for full download. This software is part of a full suite for astronomical observation: https://sourceforge.net/projects/ccdciel/ https://sourceforge.net/projects/indistarter/ https://sourceforge.net/projects/eqmodgui/ Requirement: https://sourceforge.net/projects/libpasastro/ See also: https://sourceforge.net/projects/indi/
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    Downloads: 1,660 This Week
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  • Pest Control Management Software Icon
    Pest Control Management Software

    Pocomos is a cloud-based field service solution that caters to businesses

    Built for the pest control industry, but also works great for Mosquito Control, Bin Cleaning, Window Washing, Solar Panel Cleaning, and other Home Service Businesses in need of an easy-to-use software that helps you simplify routing, scheduling, communications, payment processing, truck tracking, time tracking, and reporting.
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  • 5
    PyRx - Virtual Screening Tool

    PyRx - Virtual Screening Tool

    Virtual Screening software for Computational Drug Discovery

    PyRx is a Virtual Screening software for Computational Drug Discovery that can be used to screen libraries of compounds against potential drug targets. PyRx enables Medicinal Chemists to run Virtual Screening from any platform and helps users in every step of this process - from data preparation to job submission and analysis of the results. While it is true that there is no magic button in the drug discovery process, PyRx includes docking wizard with easy-to-use user interface which makes...
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    Downloads: 1,679 This Week
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  • 6
    TomoJ

    TomoJ

    ImageJ plugin to perform Electron Tomography

    TomoJ is an ImageJ plug-in for tomographic reconstruction. It was designed for electron tomography, however any acquisition with parallel beam should work. TomoJ proposes the preprocessing and the registration of tilt-series prior to 3D reconstructions (WBP, ART, SIRT, OS-SART, compressed sensing). TomoJ is written in Java, the computations are multithreaded and reconstruction can be performed on CPU or GPU (OpenCL). registration is described in: Journal of Structural Biology: X....
    Downloads: 11 This Week
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  • 7
    Stellarium

    Stellarium

    A planetarium software that shows a 3D simulation of the night sky

    Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
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    Downloads: 2,713 This Week
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  • 8
    GPXSee

    GPXSee

    GPS log file viewer and analyzer

    GPS log file viewer and analyzer with support for GPX, TCX, KML, FIT, IGC, NMEA, SLF, SML, LOC, GPI, GeoJSON and OziExplorer files.
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    Downloads: 2,293 This Week
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  • 9
    SPELL

    SPELL

    Satellite Procedure Execution Language and Library

    SPELL is a framework composed of an integrated environment for the development and execution of satellite automated procedures. It is capable of running any procedure via different Ground Control System and for any spacecraft. The goal of SPELL is to have a powerful and readable automation language, which can be shared across Satellite Operators and Satellite Manufacturers. If we all use the same language, the cost and the risk associated with automated procedures will go down! SPELL...
    Downloads: 26 This Week
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  • Smart Business Texting that Generates Pipeline Icon
    Smart Business Texting that Generates Pipeline

    Create and convert pipeline at scale through industry leading SMS campaigns, automation, and conversation management.

    TextUs is the leading text messaging service provider for businesses that want to engage in real-time conversations with customers, leads, employees and candidates. Text messaging is one of the most engaging ways to communicate with customers, candidates, employees and leads. 1:1, two-way messaging encourages response and engagement. Text messages help teams get 10x the response rate over phone and email. Business text messaging has become a more viable form of communication than traditional mediums. The TextUs user experience is intentionally designed to resemble the familiar SMS inbox, allowing users to easily manage contacts, conversations, and campaigns. Work right from your desktop with the TextUs web app or use the Chrome extension alongside your ATS or CRM. Leverage the mobile app for on-the-go sending and responding.
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  • 10
    jEPlus - Parametrics for E+ and TRNSYS

    jEPlus - Parametrics for E+ and TRNSYS

    An EnergyPlus shell for parametric studies and more ...

    Parametric analysis is often needed for exploring design options, especially when a global optimization method is not available, or the optimization result is in doubt. Parametric analysis can also be applied to all design variables simultaneously, which forms an exhaustive search that, providing that the search grid is fine enough, will guarantee a global optimum solution. In order to perform complex parametric analyses on multiple parameters with more than a handful of alternative values...
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    Downloads: 19 This Week
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  • 11
    The Chemistry Development Kit
    The Chemistry Development Kit (CDK) is a scientific, LGPL-ed library for bio- and cheminformatics and computational chemistry written in Java. The main home page of the CDK is now at: http://cdk.github.io
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    Downloads: 18 This Week
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  • 12
    XTrkCAD Model RR Track Planner

    XTrkCAD Model RR Track Planner

    Model Railway CAD program

    XTrackCAD is a open-source, free, CAD program for designing model railroad layouts. You can easily create layout of any scale or size. Libraries for many brands, scales and gauges of track and turnouts/points and model structures are included. Adding new components is easy with the built-in editor. It runs on Windows, Mac and Linux,
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    Downloads: 959 This Week
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  • 13
    Night Vision

    Night Vision

    Night Vision is a "planetarium" program written in Java

    Night Vision is a "planetarium" program that will display the heavens from any location on earth. Viewing options allow the user to control which sky objects to display, which font to use, and manipulation of various star parameters. Time may be set to run at multiple speeds, including backwards. Star charts may be printed. Night Vision is written in Java, allowing it to run on all major desktop systems (includes PCs, Macs, Linux, ...). It has been designed to be readily translatable...
    Downloads: 7 This Week
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  • 14
    FreeCAD

    FreeCAD

    a parametric 3D CAD modeler

    ...FreeCAD is a general purpose feature-based, parametric 3D modeler for CAD, MCAD, CAx, CAE and PLM, aimed directly at mechanical engineering and product design but also fits a wider range of uses in engineering, such as architecture or other engineering specialties. It is 100% Open Source and extremely modular, allowing for very advanced extension and customization. FreeCAD is based on OpenCasCade, a powerful geometry kernel, features an Open Inventor-compliant 3D scene representation model provided by the Coin 3D library, and a broad Python API. The interface is built with Qt. FreeCAD runs exactly the same way on Windows, Mac OSX and Linux platforms.
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    Downloads: 1,450 This Week
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  • 15
    iramuteq
    IRAMUTEQ : Interface de R pour les Analyses Multidimensionnelles de Textes et de Questionnaires. Logiciel de traitement de données pour des corpus texte ou de type individus/caractères. Permet notamment de réaliser des analyses de type "ALCESTE"
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    Downloads: 859 This Week
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  • 16
    GMAT

    GMAT

    General Mission Analysis Tool

    The General Mission Analysis Tool (GMAT) is an open-source tool for space mission design and navigation. GMAT is developed by a team of NASA, private industry, and public and private contributors. The GMAT development team is pleased to announce the release of GMAT version R2025a. For a complete list of new features, compatibility changes, and bug fixes, see the R2025a Release Notes in the Users Guide.
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    Downloads: 864 This Week
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  • 17
    OpenEMR
    OpenEMR is an open source medical practice management application (EHR EMR PMS) featuring fully integrated electronic health records, scheduling, electronic billing, internationalization, free support, a vibrant community, and a whole lot more.
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    Downloads: 1,122 This Week
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  • 18

    protoFramework

    A Dassault Aviation project to simplify the building of prototypes

    protoFramework is a Dassault Aviation software based on a Java library and other modules as described below, and on specific software developed and maintained by Dassault Aviation. This protoFramework aims to simplify the development of prototypes of any types in several languages or technologies (such as Java, C++/C, Groovy, Python, etc..). protoFramework is based on a concept of service-oriented architecture design (“SOA”), which permits the interconnexion of application components...
    Downloads: 5 This Week
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  • 19
    Quite Universal Circuit Simulator

    Quite Universal Circuit Simulator

    A circuit simulator with graphical user interface (GUI)

    Qucs is a circuit simulator with graphical user interface. The software aims to support all kinds of circuit simulation types, e.g. DC, AC, S-parameter, Transient, Noise and Harmonic Balance analysis. Pure digital simulations are also supported.
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    Downloads: 1,177 This Week
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  • 20
    Fachwerk
    Fachwerk calculates strut-and-tie models used by structural engineers for analysing and designing reinforced concrete structures. The program only uses the equilibrium conditions, thus it is not assuming elastic behaviour.
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    Downloads: 6 This Week
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  • 21
    CleverPsych  Practice Management

    CleverPsych Practice Management

    FREE software to manage your psychology or allied health solo practice

    CleverPsych is FREE software for psychologists and other allied health professionals who run their own practices. We have been using CleverPsych in our own practice in Australia since 2007. The system enables you to record your clients, appointments, services, organisations and referring doctors. The aim is to make operations like generating standard letters, claiming from the government and insurance companies, and reporting income, much easier. Look in the Files tab for...
    Downloads: 30 This Week
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  • 22
    Systems Biology Markup Language (SBML)

    Systems Biology Markup Language (SBML)

    A file format for exchanging computational models in systems biology

    The Systems Biology Markup Language (SBML) is an XML-based description language for representing computational models in systems biology. Visit the project web site to learn more.
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    Downloads: 22 This Week
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  • 23
    jSNARK is an extensible programming system designed to help researchers interested in developing and evaluating algorithms for reconstructing 2D, 3D and even 4D (the extra dimension is time) images from their projections.
    Downloads: 6 This Week
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  • 24
    BRL-CAD

    BRL-CAD

    Open Source Solid Modeling CAD

    BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
    Downloads: 72 This Week
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  • 25
    An open source implementation of the High Level Architecture Run-Time Infrastructure. Focused on modularity and flexibility, Portico provides an extensible environment to support HLA simulation development and research.
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    Downloads: 7 This Week
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