Browse free open source Java Calculators and projects below. Use the toggles on the left to filter open source Java Calculators by OS, license, language, programming language, and project status.

  • Feroot AI automates website security with 24/7 monitoring Icon
    Feroot AI automates website security with 24/7 monitoring

    Trusted by enterprises, healthcare providers, retailers, SaaS platforms, payment service providers, and public sector organizations.

    Feroot unifies JavaScript behavior analysis, web compliance scanning, third-party script monitoring, consent enforcement, and data privacy posture management to stop Magecart, formjacking, and unauthorized tracking.
    Learn More
  • Unimus makes Network Automation and Configuration Management easy. Icon
    Unimus makes Network Automation and Configuration Management easy.

    Deploying Unimus to manage your entire network requires only minutes, allowing for rapid deployment without headaches.

    We aim to make automation, disaster recovery, change management and configuration auditing painless and affordable for a network of any size.
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  • 1
    Elegant Calculator

    Elegant Calculator

    Simple Calculator

    Simple Calculator
    Downloads: 0 This Week
    Last Update:
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  • 2
    Eur oTruck Calculator

    Eur oTruck Calculator

    En Android app till att knyta samman åkeriföreningar.

    Downloads: 0 This Week
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  • 3
    Personal agenda and calculator that can be uploaded to mobile phones and used as a personal organizer
    Downloads: 0 This Week
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  • 4
    Tool to calculate PI materials requirements and prices.
    Downloads: 0 This Week
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  • Dynamic Work and Complex Project Management Platform | Quickbase Icon
    Dynamic Work and Complex Project Management Platform | Quickbase

    Quickbase is the leading application platform for dynamic work.

    Our no-code platform lets you easily create, connect, and customize enterprise applications that fix visibility and workflow gaps without replacing a single system.
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  • 5

    Exposure Calculator for Android

    Convert exposure measure from DSLR to use on view camera

    Convert the light measured using a digital camera (aperture, speed and iso) to use on a view camera (taking in account film non-reciprocity, filter and bellow extension) on android phone.
    Downloads: 0 This Week
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  • 6
    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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  • 7
    The Film Stock Calculator is an application for calculating the film stock footage and cost for a film.
    Downloads: 0 This Week
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  • 8
    Fitness Trainer

    Fitness Trainer

    Your own personal virtual trainer for Body & Mind.

    /*Requirement: Java Installed*/ With this project the user can measure if he/she has a healthy weight then then go on exploring the application. This project is perfect for every individual who want to become fit physically and mentally. Common questions like How to lose weight, gain weight increase height, build body, lose fat, run fast, Mindfulness, different types of exercises, What to eat and what not to, everything is available. The user needs to keep in mind that content of this application has been taken from many leading websites and is 100% verified to be effective.
    Downloads: 0 This Week
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  • 9
    Food Storage Calculator

    Food Storage Calculator

    Java 7 based food needs calculator using Google Web Toolkit and HTML5

    This web app uses the Google Web Toolkit, (currently version 2.6.1). No hooks to the Google App Engine are required, so the entire application can be contained on an HTML5 web page. The application is technically written in a restricted APIs version of Java 7, then compiled down to JavaScript. Any data storage needs use HTML5's data persisting capabilities Use this food storage calculator to help plan food storage preparedness. This calculator uses the three tier approach to food storage. The three tiers are: 1. Normal perishable food purchases like milk, bread, and ice cream. 2. Multi-month or multi-year perishable items such as canned goods, pastas and cooking oils. 3. Multi-decade non-perishable items such as hard wheat, sugar, and water.
    Downloads: 0 This Week
    Last Update:
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  • All-in-one solution to control corporate spending Icon
    All-in-one solution to control corporate spending

    Issuance in seconds. Full spending control. Perfect for media buying.

    Wallester Business is a leading world-class solution to optimize your company’s financial processes! Issuing virtual and physical corporate expense cards with an IBAN account, expense monitoring, limit regulation, convenient accounting, subscription control — manage your finance on all-in-one platform in real time! Wallester Business benefits your business growth!
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  • 10

    Force Calculator

    Calculates mutiple forces in various angles.

    Designed by B.J Erasmus and written in java.
    Downloads: 0 This Week
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  • 11

    GBDave's Pipe Size Calculator

    HVAC Minimum Pipe Size Calculator

    Starting off as a simple LISP command in AutoCAD this HAVC pipe size calculator was migrated to a standalone Java application. Calculates HVAC minimum pipe ID based on GPM and FPS for numerous fluid types (found in the fluid density chart on EngineeringToolbox.com) Includes a table to automatically calculate riser piping sizes per floor. Read the README.txt file included in PipeSize.zip for instructions.
    Downloads: 0 This Week
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  • 12
    GCalc is mathematical graphing calculator system in Java
    Downloads: 0 This Week
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  • 13
    A gibbs energy calculator based on the CDK.
    Downloads: 0 This Week
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  • 14

    GradeCalcJava

    Simple grade calculator that takes the weighting of marks into account

    Simple java application that takes all marks and their corresponding weightings into account when calculating the final grade (in %) of a given course.
    Downloads: 0 This Week
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  • 15
    A crappy graphing calculator!
    Downloads: 0 This Week
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  • 16
    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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  • 17
    ICE (Interval Calculator for Engineer)

    ICE (Interval Calculator for Engineer)

    Interval Calculator for Engineer

    ICE is a simple mathematical calculator with very useful shortcuts for Engineer: works natively with tolerance, can run Monte Carlo analysis, uses engineer notation, includes most of the day by day functions used by engineers.
    Downloads: 0 This Week
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  • 18
    IP ops provides IP and VLSM calculator written in Java.
    Downloads: 0 This Week
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  • 19
    IPv6SubnetCalc is a comprehensive calculator for IPv6 addresses. It comes with Java Swing GUI and supports the following RFCs: RFC4291, RFC4193, RFC3849, RFC2464, RFC5375, RFC4941, RFC3513, RFC3879, RFC4941, RFC3056, RFC3587, RFC2374, RFC3306, RFC3956.
    Downloads: 0 This Week
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  • 20
    Interactive Calculator
    Enable the user to talk to the calculator to enter the numbers and operations or write them using a drawing panel , it support both English and Arabic languages.It have text to speech of the entered numbers/operations and reading the results.
    Downloads: 0 This Week
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  • 21
    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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  • 22
    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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  • 23
    This if calculator for complex numbers. It works with algebraic and trigonometrical form and has multiple memory slots. There are many mathematical functions like sin, cos and etc.
    Downloads: 0 This Week
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  • 24
    JCalc is GUI calculator written entirely in Java. It can be run cross-platform on any OS with a Java Virtual Machine. It shall be portable, stable, and efficient.
    Downloads: 0 This Week
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  • 25
    JCalc is a standard (basic operations +, -,...) calculator and a scientific calculator (sin, cos, exp,...) calculator. JCalc GUI make it easy to use. JCalc is 100% java, and therefore could run on any OS.
    Downloads: 0 This Week
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