Showing 37 open source projects for "java open source"

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  • 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.

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  • 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.
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  • 1
    Bolt Hole Calculator

    Bolt Hole Calculator

    Calculate the coordinates of equally spaced circles for a given radius

    Calculates the coordinates of circles at equal intervals on a given radius. Circle radius, number of circles, starting degree and hole diameters are simulated instantly according to the desired value.
    Downloads: 0 This Week
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  • 2
    Photon

    Photon

    A graphing calculator that's both powerful and easy to use.

    Photon is a fully functional graphing calculator capable of numeric calculations as well as graphing functions, including parametric and polar graphs. In addition to regular graphing, Photon can plot integrals, first and second derivatives, tracing, animation, matrix math, and degree / radian mode. Photon can find roots, minimums and maximums, points of inflection, and it can fit several types of best fit lines and curves to data sets. Log and semi-log graphing are also...
    Downloads: 1 This Week
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  • 3
    Basic Finnancial Calculator
    Calculadora Financiera Básica, una forma de calcular sencilla y de forma precisa para sus cálculos básicos financieros como: Cálculo de Márgenes de Ganancia y la Porcentual (muy utilizadas para la gente común y comerciantes), la depreciación, cálculo del Punto de Equilibrio, cálculo de Tasas de Intereses y Amortizaciones básicas, cálculo del precio total (¡Incluye Estilo factura en Pantalla!)
    Downloads: 0 This Week
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  • 4

    Calcex Math Parser

    Mathematical expression parser and evaluator for .NET

    Moved to https://github.com/alxnull/calcex Calcex is a simple math parser for .NET to evaluate mathematical expressions which is developed in C#. It supports many common mathematical operations and functions and allows the user to add custom functions and variables. It is possible to evaluate double or decimal values for high precision. Calcex also includes functions for converting numbers from decimal to binary or other bases. The project includes a simple calculator and...
    Downloads: 1 This Week
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  • Lightspeed golf course management software Icon
    Lightspeed golf course management software

    Lightspeed Golf is all-in-one golf course management software to help courses simplify operations, drive revenue and deliver amazing golf experiences.

    From tee sheet management, point of sale and payment processing to marketing, automation, reporting and more—Lightspeed is built for the pro shop, restaurant, back office, beverage cart and beyond.
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  • 5
    miniWork

    miniWork

    Editor, Calculator, Image Viewer and Color Picker

    -> miniColors is replaced by Colora (https://colora.sourceforge.io). <- miniWork is a project which includes a group of small and simple VB.Net WinForms office applications. It consists of the text and rich text editor miniEditor, the simple calculator miniCalc, the color picker miniColors and the image viewing program miniViewer. All applications are independent programs which are put together in this project. The project is kept very simple, so all applications only provide the most...
    Downloads: 8 This Week
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  • 6
    This is a calculator for calculate title insurance premium
    Downloads: 0 This Week
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  • 7

    5NB THC Calculator

    thc % calculator in homemade eddibles

    this program will calculate the amount of THC in your home made eddibles, current version on has options for Flower and Concentrate
    Downloads: 0 This Week
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  • 8

    spCalculator

    Simple Calculator For Programmer

    Simple Calculator For Programmer. Convert And Find Solution For Basic Arithmetic Operations For Different Bases[2,8,10,16] Need .NET 4.0
    Downloads: 0 This Week
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  • 9
    MoleCalc

    MoleCalc

    A molecular weight calculator written in Visual Basic.

    A molecular weight calculator written in Visual Basic. Unfortunately, it is only for 64-bit Windows at this time. The code files (.sln) are downloadable only. I can't figure out Git.
    Downloads: 3 This Week
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  • 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.
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  • 10

    Calc

    A free command line calculator.

    Downloads: 0 This Week
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  • 11
    Body Mass Index (BMI) Calculator

    Body Mass Index (BMI) Calculator

    Body Mass Index (BMI) Calculator

    This is a portable BMI or Body Mass Index calculator. Calculate your BMI then compare it to categories provided by the National Heart, Lung and Blood Institute.
    Downloads: 0 This Week
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  • 12
    Calculator For Vb Beginners

    Calculator For Vb Beginners

    "Calculator For Vb Beginners" Is a small calculator application

    "Calculator For Vb Beginners" Is a small calculator application specially designed for Visual Basic Beginners. This application is coded with simple variables,statements...,that can be easily understand by Visual Basic beginners who are trying to develop a small,efficient,user-friendly & compact coded application.
    Downloads: 2 This Week
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  • 13

    DPIGod

    DPI Calculator

    This is a little Visual Basic .NET program for calculating the DPI of a screen based on its dimensions. You can also know the screen dimensions based on its DPI.
    Downloads: 0 This Week
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  • 14

    Fitness Beeper

    Fitness calculator and beeper

    Calculates the percentage of one minute max. reps to use in less than one minute periods of time. Needs .NET 3.5 to be pre-installed on your system. It takes the one-minute total max. reps (supposed to be done at max. VO2) and calculates the corresponding timing to beep on. So, if for example you do 30 reps in one minute, that means 1 rep every 2 secs. The software calculates that and gives you the "beep" every 2 secs. It is useful for frequencies like 2,5, 1,7 secs, etc. You...
    Downloads: 0 This Week
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  • 15
    This is my Self-Made Calculator!
    Downloads: 0 This Week
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  • 16
    tvcalc

    tvcalc

    Video length and size calculator

    tvcalc is a free software that allows to know the total length of n number of videos and the total size of the resulting files according to the video bitrate and audio bitrate. NET 3.5 SP1 runtime and NET 4.0 Full runtime must be installed.
    Downloads: 0 This Week
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  • 17
    Project Calculator is a software freewere that allows you to develop complex calculations and relatively simple. With its numerous functions it is a valid alternative to the calculator of windows. The software needs the Microsoft NET Framework 3.5 to run
    Downloads: 0 This Week
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  • 18
    TaxMagic Tax Calculator
    A simple open source/free software tax calculator written in .NET. It works on Windows and also on Mac and Linux with Wine and Mono. One of the first to be open source and free! :)
    Downloads: 0 This Week
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  • 19
    Very lightweight and minimalist spreadsheet application. Through a notepad-style interface, you create informal spreadsheets with formulas as powerful as any full-sized spreadsheet program. It can also serve as a calculator with revisable history.
    Downloads: 0 This Week
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  • 20
    Resistor Color Code Calculator
    A helpful little utility that allows you to find the value of a standard resistor without memorizing the color codes. Also includes and Ohms Law calculator and a resistor color code quiz (currently in the process of being implemented)
    Downloads: 2 This Week
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  • 21
    LaptopCalc
    LaptopCalc was made thinking in a way to use a calculator in a laptop without a numpack It uses keys like “J” to type “1”, “k” for “2” and so on. But is also great for all uses, try it and you will want to replace the default calc
    Downloads: 1 This Week
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  • 22
    CalX
    CalX - a new calculator for Windows. It has a nice interface, fast performance and high functionality. Program has Russian interface.
    Downloads: 0 This Week
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  • 23
    Phythagoras Calculator
    A program developed by a 14 years old that uses the Pythagoras law to define if a triangle has a right angle or not. To get the latest updates on your facebook home page, Please like http://bit.ly/TanjoodoMadeSoftware
    Downloads: 0 This Week
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  • 24
    BookCalc
    A simple program created in Visual Basic .NET that acts as a calculator to help you read a equal number pages of a book of a time period.
    Downloads: 0 This Week
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  • 25
    This project is a calculator for Windows Mobile6, its aim is to be user-friendly and useful. The screen resolution is WQVGA (240 x 400), randomly like a Samsung i900. There are some functions like trigo, Log2, LogN, Sqrt... Just yet another calculator:)
    Downloads: 0 This Week
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