Showing 340 open source projects for "java open source"

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  • Vibes don’t ship, Retool does Icon
    Vibes don’t ship, Retool does

    Start from a prompt and build production-ready apps on your data—with security, permissions, and compliance built in.

    Vibe coding tools create cool demos, but Retool helps you build software your company can actually use. Generate internal apps that connect directly to your data—deployed in your cloud with enterprise security from day one. Build dashboards, admin panels, and workflows with granular permissions already in place. Stop prototyping and ship on a platform that actually passes security review.
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  • Outgrown Windows Task Scheduler? Icon
    Outgrown Windows Task Scheduler?

    Free diagnostic identifies where your workflow is breaking down—with instant analysis of your scheduling environment.

    Windows Task Scheduler wasn't built for complex, cross-platform automation. Get a free diagnostic that shows exactly where things are failing and provides remediation recommendations. Interactive HTML report delivered in minutes.
    Download Free Tool
  • 1
    pdd

    pdd

    Tiny date, time diff calculator

    There are times you want to check how old you are (in years, months, days) or how long you need to wait for the next flash sale... pdd (python3 date diff) is a small cmdline utility to calculate date and time difference. If no program arguments are specified it shows the current date, time and timezone.
    Downloads: 2 This Week
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  • 2
    CoTerminalApps

    CoTerminalApps

    defunct, get SliderPuzzles or RetroArcade, instead

    This collection of ASCII games has been split into a) SliderPuzzles & b) RetroArcade . CoTerminalApps is a collection of ASCII games & puzzles. that can run on Windows, Mac/OSX, & Linux. Includes SpaceInvaders, Pacman & Frogger arcade games and an RPN calculator.
    Downloads: 1 This Week
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  • 3
    BitLogic

    BitLogic

    Simple Java computer algebra calculator

    A calculator that solves many types of problems including solving equations computing derivatives and integrals simplifying expressions graphing equations 2d and 3d reverse polish notation, algebraic and word based interpreter infinite writing board for writing out equations requires java 11 or more
    Downloads: 0 This Week
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  • 4
    Triangolo

    Triangolo

    Liothyronine dosage calculator

    Calculator software helping to determine L-T4 and L-T3 substitution dosage according to the algorithms provided by the European Thyroid Association (ETA).
    Downloads: 0 This Week
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  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 5

    suc

    Stack usage calculator

    Calculates stack consumed by every application call tree using, as a primary source, different files generated during build. Checks completeness of collected data and supports manual input of those that are missing.
    Downloads: 0 This Week
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  • 6

    Free Prayer Time Calculator

    Open source program computing and notifying for Muslim prayer time.

    Free Prayer Time Calculator (FPTC) is an open source program computing and notifying for Muslim prayer time on many platfrom (unix, windows,...). It is simple to use and has the many features as : * Playing athan * Displaying next salat time
    Downloads: 0 This Week
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  • 7
    Shift Time Calculator

    Shift Time Calculator

    Calculates Shift Times

    Calculates Shift Times - Really handy, if like me you struggle with those quarter to the hour and quarter past the hour starts and finishes. Includes break times, just enter how long you took for that break. Medics, Steelworkers, and anyone who works shifts may find this handy. Written in java (Open JDK 11), this will work on Linux, Mac and Windows as long as you have a Java Runtime environment installed. Windows installer with bundled java runtime environment for those without java on their machine. visit: https://www.openlogic.com/openjdk-downloads if you're having issues with Java... Seems not all JDK's are created equal.
    Downloads: 1 This Week
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  • 8
    gdcalc

    gdcalc

    financial, statistics, scientific and programmers calculator

    NO LONGER MAINTAINED HERE - GONE TO https://gitlab.com/wef/gdcalc gdcalc is a financial, statistics, scientific and programmers calculator for Unix and Linux. The GUI was written with glade(1) and uses the Gnome/Gtk-2 toolkit - so it may well be compatible with themes and other whiz-bang features of those systems. gdcalc has both Algebraic notation (ie. conventional, TI or Casio style) and Reverse Polish Notation (RPN or Hewlett-Packard style). If you've not heard of RPN before, you...
    Downloads: 0 This Week
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  • 9
    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
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    Downloads: 9 This Week
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 10
    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: 6 This Week
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  • 11
    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: 9 This Week
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  • 12

    Inductor Turns Calculator

    Calculate number of turns needed to produce a coil with given L

    Avoid by-guess-and-by-golly use of turns-to-inductance calculators to determine number of turns to yield the inductance you need. Using the inversion of Wheeler's formula for inductance of single-layer coils, calculates the number of turns required to produce a specified inductance. Specify desired inductance, coil radius, and winding pitch.
    Downloads: 0 This Week
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  • 13
    This is a java swing GUI that show unix time. https://en.wikipedia.org/wiki/Unix_time Usage: java -jar UnixTime.jar Source code available on GitHub: https://github.com/davidesestiliwork/UnixTime See also UnixTimeCalc a unix time calculator (from UnixTime to date and time) on: https://github.com/davidesestiliwork/UnixTimeCalc Usage: java -jar UnixTimeCalc.jar See also UnixTimeCalc2 a unix time calculator (from date and time to UnixTime) on: https://github.com/davidesestiliwork/UnixTimeCalc2 Usage: java -jar UnixTimeCalc2.jar
    Downloads: 0 This Week
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  • 14
    Finanx 12c

    Finanx 12c

    Financial Calculator

    The Finanx 12c is a free software that mimics the HP-12C financial calculator. This software was developed for educational purposes. IT'S NOT RECOMMENDED using this calculator for professional calculations. If you find any bugs, please, let me know. Click "Bugs" in the menu bar to report bugs found.
    Downloads: 6 This Week
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  • 15
    elcalc

    elcalc

    Simple, Cross-Platform Calculator Made

    Elcalc is a simple, cross-platform calculator, built with Electron. It is fast, intuitive and can be used as an alternative for the default system calculator. It supports basic arithmetic operations.
    Downloads: 1 This Week
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  • 16
    RxCalc

    RxCalc

    RxCalc is a calculator for the analysis of multi-stage receiver.

    RxCalc is a calculator for the analysis of multi-stage receiver. The software can calculate cascaded and system parameters: gain, noise, sensitivity, input and output P1dB and IP3, noise floor, spur-free dynamic range, MDS, SNR, and others. Sources code: https://github.com/arhiv6/rxcalc Binary package: http://sourceforge.net/projects/rxcalc/
    Downloads: 5 This Week
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  • 17
    Gravitational Pull Calculator

    Gravitational Pull Calculator

    A simple GUI Gravitational Pull Calculator

    When you download this, you also download the source. If you feel courteous, let me know when you publish an alteration of my code @ pgrafhamster666@gmail.com or credit me.
    Downloads: 0 This Week
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  • 18
    Climate Equity Reference Calculator
    This project implements calculations for the Climate Equity Reference Project's Calculator (CERc).
    Downloads: 0 This Week
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  • 19
    jRCaLc

    jRCaLc

    jRCaLc is a program designed to aid you in working with resistors.

    jRCaLc is a resistor calculator outfitted with various tools, meant to aid in work related to resistors.
    Downloads: 3 This Week
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  • 20
    PaCal
    ProbAbilistic CALculator - a package for computing with probability distributions
    Downloads: 1 This Week
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  • 21
    Smith Chart Calculator

    Smith Chart Calculator

    Smith Chart Calculator JAVA

    A small tool which allows all basic smith chart actions. This program was created for educational purposes. JAVA RUNTIME REQUIRED Tested on Windows. Some features may not available with other OS (e.g. copy to clipboard) GENERAL PUBLIC LICENSE There is a pdf help file online take a look in the files section. There is also a link available in the program itself.
    Downloads: 5 This Week
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  • 22
    Beschleunigung-berechnen

    Beschleunigung-berechnen

    Various calculations related to acceleration and deceleration

    - Diverse Berechnungen im Zusammenhang mit Beschleunigung und Verzögerung. - Various calculations related to acceleration and deceleration Topics: rechner berechnen calculator to calculate beschleunigen beschleunigung webpage webseite
    Downloads: 0 This Week
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  • 23
    FreqLength

    FreqLength

    Wavelength Calculator

    FreqLength is a simple wavelength calculator that takes a given frequency as input and spits out various wavelength values for that frequency (full wave, half wave, etc.) If you'd like to donate there's several ways to do so: PayPal: https://paypal.me/gerowen Bitcoin (BTC): bc1q86c5j7wvf6cw78tf8x3szxy5gnxg4gj8mw4sy2 Monero (XMR): 42ho3m9tJsobZwQDsFTk92ENdWAYk2zL8Qp42m7pKmfWE7jzei7Fwrs87MMXUTCVifjZZiStt3E7c5tmYa9qNxAf3MbY7rD LiberaPay: https://liberapay.com/gerowen
    Downloads: 2 This Week
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  • 24
    An easy and simple tool to calculate the half-lives of radioactive substances and looking up elements on the table of elements by name, element symbol, atomic number, or atomic weight. Source code is on GitHub here: https://github.com/InfinityDevelopment/ChemistryCalculator NOTE: This is a Java program. Inside the ZIP there is the .jar file and .bat file(which you would run to start the program on Windows) required to run on Windows, however, to run it on other operating systems you will most likely need to execute "java -jar program.jar" on it from that OS's terminal.
    Downloads: 0 This Week
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  • 25
    Crypto Arbitrage

    Crypto Arbitrage

    A cryptocurrency arbitrage opportunity calculator

    A cryptocurrency arbitrage opportunity calculator and trading bot. Over 800 currencies and 50 markets. In short, it collects JSON from multiple different cryptocurrency markets, goes through the results, and finds the highest and lowest price for each coin. The script will find the highest price (chbtc.com), and lowest price (Bittrex), and divide the two: 51.8/38.23 = ~1.35 (~35% profit margin) and then push these results to the browser. It will also find the next highest market pairs, e.g....
    Downloads: 0 This Week
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