Showing 182 open source projects for "java"

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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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  • Simplify Purchasing For Your Business Icon
    Simplify Purchasing For Your Business

    Manage what you buy and how you buy it with Order.co, so you have control over your time and money spent.

    Simplify every aspect of buying for your business in Order.co. From sourcing products to scaling purchasing across locations to automating your AP and approvals workstreams, Order.co is the platform of choice for growing businesses.
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  • 1

    Alcohol Calculator

    Ein Alkohol Rechner

    Dieser Alkohol Rechner gibt dem Nutzer die Möglichkeit ungefähr seinen Alkoholgehalt im Blut zu bestimmen. Alle Angaben des Programms sind natürlich ohne Gewähr und natürlich kann der Alkoholgehalt auch wesentlich höher oder niedriger sein.
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  • 2

    Standard Deviation Calculator

    Calculates the standard deviation of any set of numbers.

    ...The user is given the option to select either a population standard deviation or a sample from a population (the results will usually differ significantly). Written in Java. Any questions or concerns, bug reports, suggestions, etc. contact David at dxm3269@rit.edu. Winner of the Softpedia "100% Clean" Award: http://mac.softpedia.com/progClean/Standard-Deviation-Calculator-Clean-139193.html
    Downloads: 0 This Week
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  • 3
    LoveCalculator

    LoveCalculator

    A Love Calculator with a Rich User Interface

    This is a Love Calculator with a rich user interface and animations made by using JavaFX. This application runs on Windows, Linux and Mac. Java 7 or later is required. Unlike the other Love Calculators found on Internet, this one does not generate random numbers. It uses a popular hand worked algorithm used by most of the school students. The Love Percentage is calculated by the process of listing the frequencies of each letter in the string "<Name1> LOVES <Name2>" and then adding the corresponding opposite digits from two sides and listing these sums. ...
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  • 4
    Fast calculator

    Fast calculator

    Fast and simple calculator.

    Fast calculator is fast and simple calculator with many functions on java.
    Downloads: 0 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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  • 5

    Time and Date Calculator

    Simple calculator that can handle dates and time.

    Goal of this project is, creating a calculator that can handle all date and time operations that a user may need. You can operate with milliseconds as months, years or dates. Examples: 2013-11-25 + 3d => 2013-11-28 2013-11-25 - 2013-10-20 => 36d 1h 5h + 6h => 11h 1382220000t => 2013-10-20
    Downloads: 0 This Week
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  • 6
    Calcoo is a scientific calculator (with both RPN and algebraic modes) designed to provide maximum usability.
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    Downloads: 2 This Week
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  • 7

    Correlation Calculator

    Calculates the correlation coefficient for 2 sets of numerical data.

    Calculates the Pearson correlation coefficient for two sets of numerical data. The user has the option to add values to either set of data with the corresponding Add button or the ENTER key. In addition, the user can select one or more values from each list at a time to remove them to change the calculation. The clear button will remove all values from its corresponding list. Any questions, comments, concerns, bug reports, suggestions, etc. contact David at dxm3269@rit.edu.
    Downloads: 0 This Week
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  • 8
    The Penn Lambda Calculator is an interactive, graphics-based pedagogical software that helps students of linguistics and computer science practice the typed lambda calculus.
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  • 9

    AuCa

    Auction Calculator

    Auction Calculator
    Downloads: 0 This Week
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  • Field Service+ for MS Dynamics 365 & Salesforce Icon
    Field Service+ for MS Dynamics 365 & Salesforce

    Empower your field service with mobility and reliability

    Resco’s mobile solution streamlines your field service operations with offline work, fast data sync, and powerful tools for frontline workers, all natively integrated into Dynamics 365 and Salesforce.
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  • 10
    Internet Protocol Address Calculator V2
    The Internet Protocol Address Calculator is an open-source java-based tool. This calculator will assist network administrators to perform calculations over both IPv4 and IPv6 address space. A handy whois search client is also integrated into this tool.
    Downloads: 0 This Week
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  • 11
    pxcalc
    Calculator
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  • 12

    EasyCalc Scientific Calculator

    A GUI Java scientific calculator

    EasyCalc is a Graphical User Interface (GUI) scientific calculator written in Java. It has a multi-line display and can evaluate many scientific expressions containing logarithmic, exponential, and/or trigonometric functions. It sports a nice and clean interface similar to that of the Windows 7 calculator (source of inspiration). I do not recommend its usage for ANY mathematical operation as it has some flaws left unfixed.
    Downloads: 0 This Week
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  • 13
    Calculators

    Calculators

    A combination of a virtual breathalyzer and a calories calculator.

    A simple program, that is a combination of two applications - a blood alcohol content calculator also called a virtual breathalyzer and a calories calculator. It should be noted that the author is not a nutritionist and does not have a deeper knowledge of the principles of absorption of alcohol. Therefore, the two applications are based on simple algorithms, which are, however, widely used in similar calculations, also in similar calculators available online. The program takes...
    Downloads: 0 This Week
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  • 14
    Java-Calculator

    Java-Calculator

    I believe it is the best tool for everone get it it's free.

    Scientific Calculator includes the following features: * Traditional algebraic or RPN operation * Result history * Math Functions * Percentages * Binary, octal, and hexadecimal conversion * Large input/output display I believe it is the best tool for everone get it it's free.
    Downloads: 3 This Week
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  • 15
    Höken's Calculator

    Höken's Calculator

    A building points calculator for the browser game The-West.

    Höken's Calculator (Swedish: Hökens Kalkylator) is a program developed by Gunnar Axelson (Höken). The program aims on providing a simple, multi-platform compatible, building points calculator for the browser game The-West. (This application isn't in any way supported, effected or developed by InnoGames GmbH). Currently the newest version is 1.1. Hökens Calculator is free, and opensource licensed under the terms of the GNU General Public License Version 3!
    Downloads: 0 This Week
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  • 16

    Java calculator

    An addition calculator.

    This is my first desktop programming project. The calculator is on a loop so to exit it, you must insert numbers into the fields and get an answer.
    Downloads: 0 This Week
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  • 17
    Smart Calculator is beautifully designed, having both standard and scientific modes of calculations. It is built to run anywhere, as its written completely in Java. It featured different types of Look and Feels, using Java's Swing PLAF library.
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  • 18
    IP ops provides IP and VLSM calculator written in Java.
    Downloads: 0 This Week
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  • 19

    Subnet Calculator

    A simple tool that performs network math with subnets.

    Given a valid IP address and subnet mask, this program will return the necessary subnetwork data.
    Downloads: 2 This Week
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  • 20

    Advanced Java Console Calculator

    Functional Java console calculator for beginners

    A small useful calculator that gives beginners and idea of how to make a calculator. Comes in a .zip format and has commented instructions all through out the code so you will understand everything.
    Downloads: 0 This Week
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  • 21

    drag0nius' Diablo 3 DpS Calculator

    Damage calculator and items comparison tool for Diablo 3

    Fully featured, standalone & platform-independent Java (JRE6) damage calculator/items comparison tool for Diablo 3. Be sure to check https://sourceforge.net/p/d3dpscalc/wiki/Home/ before asking questions. Language file is available, possible to include any language as long as somebody provides me with translation. Currently supported: - English - Polish
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    Downloads: 0 This Week
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  • 22
    A desktop calculator/scientific calculator. Use as desktop/graphical calculator, web applet, or to show calculator operations: arithmetic, trigonometry, logarithms, complex numbers, memory, statistics. Features four bases, copy and paste, and history
    Downloads: 5 This Week
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  • 23

    Diablo3Calc

    A lightweight java damage reduction and effective hp calculator.

    Calculate damage reduction with armor, dodge and resistance included.
    Downloads: 0 This Week
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  • 24
    PTools is a set of useful tools written in Pascal. It includes: scientific calculator, archiver, text editor, remote adminitration and more. It is designed to be portable across operating systems, specially Java-based mobiles, Windows and Unixes.
    Downloads: 5 This Week
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  • 25
    J3calc

    J3calc

    Java Calculator

    J³calc was initially a little project for my school but I enhanced it on and on and now it is a quite powerful calculator. It is written in Java with Swing. The sourcecode is open under the GPL 3.0 license
    Downloads: 0 This Week
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