Showing 529 open source projects for "java open source"

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  • Context for your AI agents Icon
    Context for your AI agents

    Crawl websites, sync to vector databases, and power RAG applications. Pre-built integrations for LLM pipelines and AI assistants.

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  • 1
    QwikTape

    QwikTape

    Do calculations, annotate it like you would on a paper "qwikly".

    Downloads: 1 This Week
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  • 2

    eval: command line calculator

    Evaluate math expressions from command line or in interactive session.

    Small (156 kB) command line calculator. Evaluate an expression directly from command line with eval <expr> command Example: c:\> eval 2+3 5 or in an interactive session. In a session, results may be assigned to unlimited number of variables and used in later calculations. Example: > x := 6+7 13.0000 >y := x*2 26.0000 Large number of elementary, special, trigonometric, hyperbolic and probability distribution functions are available. Number of decimal digits is defined by...
    Downloads: 1 This Week
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  • 3

    rcal

    an interactive "rolling paper" calculator

    rcal is an interactive calculator for DOS, that loosely mimics the behavior of "roller printing" calculators. It supports huge numbers, floating point and has extremely low hardware requirements.
    Downloads: 0 This Week
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  • 4
    OptionMatrix

    OptionMatrix

    Financial Derivatives Calculator with 171+ Models (Options Calculator)

    A real-time financial derivatives calculator supporting 171+ models from QuantLib, Financial Numerical Recipes in C++ and MetaOptions. Matrices of prices are created with iterating strikes and/or months. A strike control system can produce any strike. A generalized date engine can calculate re-occuring distances to any industry used expiration into the future. Spread engine with spread views. Models Supported: Black-Scholes, Merton-73, Black-76, Roll Geske Whaley, Garman KohlHagen, Jump...
    Downloads: 2 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

    calc: C-style arbitrary precision system

    Calc: arbitrary precision C-like arithmetic & calculator

    Calc is arbitrary precision C-like arithmetic system that is a calculator, an algorithm prototyper and mathematical research tool. Calc comes with a rich set of builtin mathematical and programmatic functions.
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    Downloads: 1 This Week
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  • 6

    JoseWebApps

    Some humble web applications

    Here I publish some humble web applications that I have developped.
    Downloads: 0 This Week
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  • 7
    NZMATH

    NZMATH

    Python Calculator on Number Theory, three-birds-one learning material

    NZMATH is a Python calculator on number theory. It is freely available and distributed under the BSD license. All programs are written only by Python so that you can easily see their algorithmic number theory. You can get NZMATH with a single command: % python -m pip install -U nzmath Here % is the command line prompt of Windows or Unix/macOS. This release contains several program corrections and additions obtained by writing a programming "notebook" of the book 'Lectures on...
    Downloads: 1 This Week
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  • 8
    rechne.exe

    rechne.exe

    Command-line calculator and libray.

    Easy-to-use command-line calculator for basic and scientific calculations.
    Downloads: 1 This Week
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  • 9
    IntervalRpnCalculator

    IntervalRpnCalculator

    An HP RPN calculator with interval output

    This terminal app runs on PCs or laptops running OSX or GNU/Linux. It attempts to mimic the functionality of an HP ReversePolishNotation [RPN] calculator with the added enhancement of interval output. So along with your answer, you get a good idea of its trustworthiness. This app uses GAOL, a C++ library to perform arithmetic with floating-point intervals.
    Downloads: 0 This Week
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  • Total Network Visibility for Network Engineers and IT Managers Icon
    Total Network Visibility for Network Engineers and IT Managers

    Network monitoring and troubleshooting is hard. TotalView makes it easy.

    This means every device on your network, and every interface on every device is automatically analyzed for performance, errors, QoS, and configuration.
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  • 10
    Downloads: 0 This Week
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  • 11
    coral-ctc-terminal-calculator

    coral-ctc-terminal-calculator

    A minimal calculator application for terminal lovers

    CTC is a minimal and easy-to-use calculator application for your terminal. This project is meant for people who are quick with terminal applications, who may want a replacement for a GUI calculator.
    Downloads: 0 This Week
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  • 12
    QxCalc

    QxCalc

    QxCalc, a scriptable calculator

    QxCalc For mathematical calculations in high-school, physics, chemistry, mathematics, economics, electrical, mechanical. Create equations, and also calculate with them, with ease. You use the calculator the same way as you use a pen and paper. It is quite simple, and can do a lot of work given syntax correctness. It comes with a "basic" gui, however the best way to use it is with the 'vim' editor, for which it has a syntax highlight file (calc.vim).
    Downloads: 0 This Week
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  • 13
    Differential Calculator

    Differential Calculator

    Terminal calculator with differential error estimates

    This is a terminal calculator with a remarkable twist. It uses symbolic differentiation to provide a numerically precise error estimate with each calculated answer. It mimics the functionality of an HewlettPackard ReversePolishNotation [RPN] calculator simply because I like RPN. But along with your answer, you get some measure of its trustworthiness. Runs on PCs or laptops running Windows or Linux.
    Downloads: 0 This Week
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  • 14

    Leibnitz

    Electronic paper for computations and graphs

    Leibnitz is the calculator you've always wanted (even if you didn't know it!), short of handwriting recognition. FAQ: https://github.com/jafl/jx_application_framework/tree/master/programs/leibnitz#readme ChangeLog: http://leibnitz.sourceforge.net/ChangeLog.html
    Downloads: 7 This Week
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  • 15
    qmcalc2

    qmcalc2

    Programmable graphical scientific calculator

    Full featured graphical scientific calculator modeled after actual commercial hand held scientific calculators. Fully tested and error free (as far as I know). Comes with HTML documentation, test files and sample calculator scripts. Win Xp / Linux. Works also for Windows 7 Professional and Ultimate edition.
    Downloads: 1 This Week
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  • 16
    pfcalc is a pipe friction calculator using the Darcy-Weisbach equation. gpfcalc is a Gtk front-end for pfcalc. Qpfcalc is a Qt front-end for pfcalc.
    Downloads: 5 This Week
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  • 17
    Graphical binary/hex calculator and bit manipulator
    Downloads: 3 This Week
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  • 18
    pjscicalc

    pjscicalc

    A scientific calculator written in Python

    A scientific calculator written in Python, this project uses the wxPython and mpmath modules to create a scientific calculator suitable for use on a computer desktop. It is largely a rewrite and update of jscicalc. It has much higher precision.
    Downloads: 0 This Week
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  • 19
    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: 1 This Week
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  • 20
    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: 0 This Week
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  • 21
    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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  • 22
    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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  • 23
    PeCalc

    PeCalc

    PeCalc is a polyvalent engineering calculator for S&T students

    PeCalc allows making calculations with integer fractions, complex numbers, complex matrices, rational functions and complex polynomials. It also allows making changes of numeric base, prime factor decomposition, solving linear equation systems, statistical and financial computations, rational fraction decomposition and plotting some control engineering graphs. PeCalc includes comprehensive user help in English and Spanish. Currently PeCalc runs on Android and MS Windows. A version for GNU...
    Downloads: 0 This Week
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  • 24
    Arrear_Pension_Calculator

    Arrear_Pension_Calculator

    Simple app for calculating arrear pension amount of a given period.

    ...This application calculates arrear (Due - Drawn) / overdrawn / recovery of pension between any given periods. This app is not associated with the Govt. This app is for informational purpose only. This project is open source under GNU public license v3.0
    Downloads: 1 This Week
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  • 25
    NOTE: Moved to https://github.com/vapier/pcalc Pcalc is a command line calculator handling HEX DEC OCT BIN. It can process a script, save variables to file, full math parser, parentheses, exponential, sin/cos, sqrt, date, inch/mm celsius/f, compound expressions ...
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    Downloads: 12 This Week
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