Showing 161 open source projects for "open source invoice"

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
    Explosives Calculation
    Calculate how many explosives (any type) needed to do many types of demolitions. This program run on mobile phones, so it is usefull for Armies because of mobility. It is programmed in JavaME. In compliance with US Army's FM 5-250 Explosives & Demolitions. THIS IS AN ONLY FOR ARMY APPLICATION.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    DIFFR is a menu-driven graphical software whereby the problem of a plane wave diffraction on a rough surface can be solved using several numerical and approximate methods.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Small stand-alone Java utility to visualize and compute drive train translation ratios for derailleur geared bicycles. Features load/save of data, chainline quality visualization, and scale drawing of the drive train with measures.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Genvlin is an easy to use graphical dataplotting environment. It also provides direct access to the data via scripting and a console. You can easily import, export, change, plot, ... all the data.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Trumba is an All-in-one Calendar Management and Event Registration platform Icon
    Trumba is an All-in-one Calendar Management and Event Registration platform

    Great for live, virtual and hybrid events

    Publish, promote and track your events more affordably and effectively—all in one place.
    Learn More
  • 5
    Fits and scores vertices from models onto reference vertices to find its polyhedral identity and symmetry quantitatively. Java based with GUI
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    XDAQ is a software platform designed specifically for the development of distributed data acquisition systems. The development is carried out at CERN, the European Organization for Nuclear Research. Please visit http://xdaq.web.cern.ch
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Worldlines
    Worldlines visualizes special relativity, as particles near lightspeed trace paths in a 3D slice of 4D Minkowski spacetime. Scenes illustrate time dilation, the twin paradox, length contraction, and Bell's spaceship paradox.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    NoteLab is an advanced "digital notebook" specifically designed for tablet computers. With its stroke smoothing, antialiasing, and "smart rendering," NoteLab provides a beautiful and powerful note taking environment on any operating system.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 9
    cca-forum
    Cca-forum unifies the Common Component Architecture tools and tutorial. It includes the CCA specifications, the Ccaffeine framework for HPC, and related tools. These support multilanguage scientific and parallel computing.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Cloud-based help desk software with ServoDesk Icon
    Cloud-based help desk software with ServoDesk

    Full access to Enterprise features. No credit card required.

    What if You Could Automate 90% of Your Repetitive Tasks in Under 30 Days? At ServoDesk, we help businesses like yours automate operations with AI, allowing you to cut service times in half and increase productivity by 25% - without hiring more staff.
    Try ServoDesk for free
  • 10
    This program allows you to create a transmission hologram using just a computer, a laser-printer, and an overhead transparency. This hologram will behave like one created using a laser and can be projected or viewed with a point source.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Physicssite
    With Physicssite one can build two-dimensional, rigid-body-physics-based simulations. It's written in Java and uses the physics engine JBox2D.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Parallel Colt is a multithreaded version of Colt - a library for high performance scientific computing in Java. It contains efficient algorithms for data analysis, linear algebra, multi-dimensional arrays, Fourier transforms, statistics and histogramming
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    AR65view
    Messdatenauswertung für AR65 und WESPHOA Verwendung für die Photoemissionsanlagen der Arbeitsgruppe EES am Institut für Physik der Humboldt-Universität zu Berlin.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    A native Java port of freesteam - http://freesteam.sourceforge.net/ An open source implementation of international-standard IAPWS-IF97 steam tables from the International Association for the Properties of Water and Steam (IAPWS).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    haggies
    haggies is an optimizing code generator. It can read in expressions in common notation and generate output for many programming languages including C/C++, Java, Fortran, Python and many others.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    An attempt to make a n-body simulator with java
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    radlab

    radlab

    Virtual Radiation Detection and Measurement Laboratory Software

    Radiation detection and measurement education is necessary for a wide variety of people working with radiation. The equipment and laboratory setup needed for delivering this education are expensive and difficult to assemble due to the large variety of the type of experiments that are desirable to cover. For a basic education one needs to have gamma, beta, alpha and neutron sources, at least one detector to detect each type of radiation and other supplemental instrumentation to perform...
    Leader badge
    Downloads: 14 This Week
    Last Update:
    See Project
  • 18
    This project tracks the altitude and position of rockets equipped with an RF signal using the Doppler Effect.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    This project is for particle accelerator start-to-end simulation. The project contains software infrastructure for setting up model run as service/client mode.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    jQuantum
    jQuantum is a Java program to simulate a quantum computer, to design quantum circuits, and to visualize the execution of quantum algorithms. Another main purpose, however, is to create images in your head, and thereby - understanding.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 21
    A Java library that works with Java3D to simulate and visualize, in real-time, dynamics of multiple rigid bodies that are restricted by implicit and explicit constraints (e.g., robotics); designed for efficiency, ease-of-use, and extensibility.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Java Data Processing Project aims to manipulate text file containing scientific data such as time/intensity scan or spectrum. Jdpp provide large flexibility to read all possible time duration and date format. It is originally design to treat MS data.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23
    ViSBARD (Visual System for Browsing, Analysis, and Retrieval of Data) is an interactive visualization and analysis tool for space physics data. It provides an integrated 3-D/2-D environment to analyze measurements across many spacecraft and MHD models.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    The purpose of this program is to plot the waveforms of the hydrogen wave function. The program has 4 option's. First, plotting the radial function, second, plotting the radial probability, third, 2d wave function,last, 3d wave function.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    A 3-d Constraint-based multibody physics engine written in entirely Java, aimed at real-time capabilities. The user can model bodies, geometries, joints, and parameters. See http://code.google.com/p/jinngine/ for source code and development information.
    Downloads: 0 This Week
    Last Update:
    See Project