Showing 608 open source projects for "java open source"

View related business solutions
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
    Explore Apify Store
  • 1
    VISTAS (VCSEL Integrated Spatio-Temporal Advanced Simulator) is a highly efficient 2D, time-domain Vertical-Cavity Surface-Emitting Laser (VCSEL) model aimed at optimizing entire optical links.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 2
    Wcalc

    Wcalc

    A powerful arbitrary-precision calculator.

    Wcalc is a powerful arbitrary-precision calculator. It has standard functions (sin, asinh, logtwo, floor, etc), many pre-defined constants (pi, e, c, etc.), variables, "active" variables, command history, and hex/octal/binary i/o, conversions, and more
    Leader badge
    Downloads: 19 This Week
    Last Update:
    See Project
  • 3
    EVAlgebra -  Clifford algebra calculator

    EVAlgebra - Clifford algebra calculator

    A simple Clifford algebra calculator

    EVAlgebra , symbolic Clifford algebra calculator (geometric algebra) , is an Eigenmath adaptation. EVAlgebra support space dimension from 1 to 4 with arbitrry signature. It is fully documented at evalgebra.org. You may write your own scripts to resolve specific problem.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    wxProdOp

    wxProdOp

    NMR Product Operator Calculator

    The program does nmr product operator calculations for one, two, three and four spins. Receiver phase cycling is possible in conjunction with pulse phase cycling to simulate coherence pathway selection. An extensive manual and help files are included. Currently running under Linux and Windows.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution Icon
    Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution

    K-12 Schools, Higher Education, Businesses, Restaurants

    Rise Vision is the #1 digital signage company, offering easy-to-use cloud digital signage software compatible with any player across multiple screens. Forget about static displays. Save time and boost sales with 500+ customizable content templates for your screens. If you ever need help, get free training and exceptionally fast support.
    Learn More
  • 5
    SWAT-EM

    SWAT-EM

    Specific Winding Analyse Tool for Electrical Machines

    SWAT-EM is a software for designing and analyzing of windings systems for electrical machines. Currently supported are rotating field windings (permanent-magnet motors, induction motors, synchronout reluctance motors) with any number of phases. This can be distributed full pitch winding, distributed fractional slot winding or tooth-coil winding.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 6
    Gpredict

    Gpredict

    Real time satellite tracking and orbit prediction

    Gpredict is a real-time satellite tracking and orbit prediction application. Gpredict can track an unlimited number of satellites and display the data in tables and various graphical view.
    Leader badge
    Downloads: 429 This Week
    Last Update:
    See Project
  • 7

    OS X Portable Applications

    Portable OS X FOSS applications

    OS X FOSS portable applications are packaged so you can carry around on any portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (or also on your internal hard disk), taking your preferences with you.
    Downloads: 45 This Week
    Last Update:
    See Project
  • 8
    APBS

    APBS

    Biomolecular electrostatics software

    This software has moved to http://www.poissonboltzmann.org/.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9

    calculate-curie

    Calculates Curie temperature for honeycomb/hexagonal materials

    Program to calculate Curie temperatures for hexagonal and honeycomb materials, as described in *2D ferromagnetism at finite temperatures under quantum scrutiny* by *Joren Vanherck, Cihan Bacaksiz, Bart Sorée, Milorad V. Milošević and Wim Magnus*.
    Downloads: 0 This Week
    Last Update:
    See Project
  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
    Learn More
  • 10
    Rocstar Multiphysics Application

    Rocstar Multiphysics Application

    Parallel coupled multiphysics simulation application

    Rocstar is a multiphysics simulation application designed to do fluid-structure interaction (FSI) across moving, reacting interfaces. Rocstar couples multiple domain-specific simulation packages and disparately discretized domains and provides several simulation-supporting services including conservative and accurate data transfer, surface propagation, and parallel I/O. Rocstar is MPI parallel and routinely executes large simulations on massively parallel platforms. Rocstar was originally...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11

    F3DM

    Finite Element Method on 3D Meshes

    f3dmlib is a FEM library that can read, write and analyse 3D tetrahedral meshes, minimize a given functional, and refine the resulting meshes. The minimization is parallelized with OpenMP. Three main features in unstable 1.8.x version (available via GIT): quadratic elements, periodic boundary conditions, and the solver for scalar and electromagnetic wave equations. f3dmgeom is a collection of a few simple tools for creating surface meshes for tetgen. It can handle simple geometries only.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    C++QED

    C++QED

    A framework for simulating open quantum dynamics

    C++QED is an application-programming framework for simulating open quantum dynamics in general. It has demonstrated the ability to simulate full Master equation of up to several thousand, and quantum trajectories of up to several hundred thousand dimensions. The basic idea is to allow users to build arbitrarily complex interacting quantum systems out of free subsystems and interactions (elements), and simulate their time evolution with a number of available time-evolution...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    QMForge reads output from various quantum mechanical calculations and provides tools for analyzing these results. Specifically, population (Mulliken and C-squared), fragment, and charge decomposition analyses are available. See https://qmforge.net for more info.
    Leader badge
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    NtuplizeAMSFiles

    NtuplizeAMSFiles

    Create customized DST from AMS data files

    Create customized DST from AMS data files
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    LaueTools

    LaueTools

    open source python packages for X-ray MicroLaue Diffraction analysis

    LaueTools is an open-source project for white beam Laue x-ray microdiffraction data analysis including tools in image processing, peaks searching & indexing, crystal structure solving (orientation & strain) and data & grain mapping visualisation. Python 3 Code and new features are now at: https://gitlab.esrf.fr/micha/lauetools
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    easy-dhpsf

    easy-dhpsf

    GUI for fitting 3D single-molecule images using the double-helix PSF

    This package of MATLAB routines with accompanying GUI allows scientific users to measure the 3D location of single molecules when using the double-helix point spread function (DH-PSF) widefield microscope. Version 2 also includes code that facilitates combining localization data from two spectral channels using a locally-weighted quadratic 3D registration function Features - Double-Gaussian estimator is calibrated via an axial scan of bright immobile fluorescent emitters (e.g. beads) -...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Jam--Nuclear Physics Data Acquisition

    Jam--Nuclear Physics Data Acquisition

    Java-based nuclear physics data acquisition.

    This project now lives at https://github.com/dwvisser/jam-daq-code/ Jam is an easy-to-use self-contained data acquisition and analysis system for VME-based (or CAMAC-based) nuclear physics experiments. Jam has an easy, standard GUI for taking and sorting multi-parameter event-based data into 1-d and 2-d histograms.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18

    iTides

    an internal tide generation GUI (in Matlab)

    With the support of the NSF and ONR over the past few years we have developed a MATLAB tool that calculates the internal wave field generated by barotropic tidal flow of a nonlinearly stratified fluid past any arbitrary two-dimensional topography of finite extent You can download a recent version as a .zip file or get up-to-date version via the svn version (svn checkout svn://svn.code.sf.net/p/itides/svn/trunk itides-svn).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19

    Xoptfoil

    Airfoil optimization with Xfoil

    Airfoil optimization using the highly-regarded Xfoil engine for aerodynamic calculations. Starting with a seed airfoil, Xoptfoil uses particle swarm, genetic algorithm and direct search methodologies to perturb the geometry and maximize performance. The user selects a number of operating points over which to optimize, desired constraints, and the optimizer does the rest.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20

    AnharmoniCAOS

    Cagliari-Orsay model for anharmonic molecular spectra in 2nd order PT

    Given dynamical coefficients and/or derivatives of the ionic potential with respect to normal (harmonic) vibrational modes, compute anharmonic energies and electric dipole-permitted transitions and intensities using nearly-degenerate perturbation theory (i.e. properly accounting for Fermi and Darling-Dennison resonances).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    A command-line tool for numerical reconstruction of digital holograms (formerly known as "HoloPlay")
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    QualityControlForRadiology

    QualityControlForRadiology

    QC tests and patient doses from radiodiagnostic XRay equipment

    This software performs various quality control tests for XRay devices used in radiography, mammography, fluoroscopy and CT such as: HVL/tube filtration, high voltage, exposure time, tube output, MTF calculations, film sensitometry, AEC devices and more. It also compute patient doses using an external program based on the GEANT4 simulation toolkit. This program is found here: https://sourceforge.net/projects/doseinhumanbody/ Read the "README" file for details. Source code and...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Finite Transform Library

    Finite Transform Library

    A Library is for Finite Transforms

    The Library is for Finite Transforms such as the Number Theoretic Transform (NTT) and Finite Radon Transform (FRT). Current modules include NTTW for NTTs with high resolution (microsecond) timing, basic array and imaging. The transforms are optimised for performance.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    DoseInHumanBody

    DoseInHumanBody

    Patient dose from medical X-ray and other sources

    DHPRE software uses Geant4 simulation toolkit for computing organ doses, effective dose and lifetime atributable cancer risk for humans exposed to external radiation field. It is mainly used for patients undergoing X-ray examinations such as radiography, mammography, dental panoramic and CT but can be used for any kind of radiations. INTERFACE is a small program to compute the correction to dosimeter reading when used in conditions other than the calibration ones. This package does not...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    RadiationHelper

    RadiationHelper

    Alpha, Beta, Gamma measurements and Nuclide exposure

    RadiationHelper is a data analysis tool for : 1. gross alpha and beta radiation measurement and detector calibration using experimental data (counts acquired by alpha-beta devices). 2. gamma spectroscopy measurements and detector calibration using experimental data (spectra acquired by acquisition software such as Assayer, Gamma Vision, Maestro) 3. gross alpha,beta, gamma detector efficiencies and gamma peak efficiency can be theoretical computed using Monte-Carlo simulation technique for radiation transport (based on EGSnrc toolkit) 4.dose assessment in human body exposed to radiations from nuclides in several common scenarios such as air exposure, water submersion, ground surface, internal ingestion or inhalation. 5. quick dosimetry and shielding computations. It is platform independent (written entirely in Java). Source code included in jar files! Also, available on GitHub: https://github.com/ZiliasTheSaint/RadiationHelper.git Checkout for dependent modules!
    Downloads: 0 This Week
    Last Update:
    See Project