Showing 459 open source projects for "calculation"

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  • 1
    Woo State Calculator

    Woo State Calculator

    Create professional WooCommerce Measurement Price Calculators

    Create professional WooCommerce Measurement Price Calculators with live price updates. Perfect for flooring, fabric, wallpaper, concrete, fencing, roofing and any product sold by area, length or volume. Built on State.js for lightning-fast, reactive calculations without unnecessary frontend bloat.
    Downloads: 0 This Week
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  • 2
    Empire At War Units Editor

    Empire At War Units Editor

    This is a Units Editor for Empire At War which will make things easy.

    This is a Units Editor for Empire At War which will make things easy. It was originally created for RAWEdit by Meister Reporter to automate some things of the Modding process.
    Downloads: 3 This Week
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  • 3
    JD990 Super Editor

    JD990 Super Editor

    VERSION 3.7.3 released 5/03/2026

    CtrlrX based editor for Roland SUPER JD SYNTHESIZER MODULE JD-990
    Downloads: 26 This Week
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  • 4

    tuition-app

    Simple tuition fee management for students, parents, and admins

    EduManage is a lightweight tuition management application designed to simplify fee tracking for institutes, parents, and students. It replaces manual Excel-based workflows with a clear digital system. Admins can manage student records, joining dates, monthly fee cycles, and payment history. Parents can transparently view fee status, payment dates, and past transactions in one place. The app focuses on simplicity, accuracy, and ease of use, making it ideal for small to medium tuition...
    Downloads: 0 This Week
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  • 5
    HatchKeeper

    HatchKeeper

    Free Open-Source Egg Incubation Software

    HatchKeeper is free open-source egg incubation software, that is for the person who hatches his own chickens or other fowl. Its just a simple app, but it saves a lot of time with its automatic calculation features and makes keeping track of the eggs easy. Visit the homepage at http://hatchkeeper.sourceforge.io/ HatchKeeper Mobile is now available on Google Play https://play.google.com/store/apps/details?id=com.hatchkeeperteam.hatchkeepermobile This is beta software, so you might find bugs. Please use the discussion, open a ticket, or email me at millj dot code at gmail dot com Under the gnu GPL license you are free to modify and redistribute HatchKeeper.
    Downloads: 5 This Week
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  • 6
    This software is named as Design Right. It is designed for making plan before developing a product or service. The process used in the software is based on a book - Getting Design Right. The software was initially programmed by Python 3.5, PyQt 5.8 and SQLite. The software is updated to version 3.0, which is program by Python 3.11, PyQt 3.15 and SQLite. Project website: https://github.com/lvzt/Design-Right-software
    Downloads: 0 This Week
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  • 7

    computem

    Transmission Electron Microscope Image Simulation

    ...The fundamental theory and usage are described in "Advanced Computing in Electron Microscopy" (Springer 2020) and Acta Cryst. A72 (2016) p. 1 by Earl J. Kirkland. Please refer to these for the theory of calculation and how to use these programs. computem uses a GUI and the temsim group uses a command line interface. The user is assumed to have some understanding of optics, Fourier transforms, electron microscopy and computer skills at the graduate or advanced undergraduate level. Click on "Files" to download Windows and Mac binary executable files or source code. ...
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    Downloads: 0 This Week
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  • 8
    TIMEMINATOR

    TIMEMINATOR

    Self-hosted time tracking for freelancers and small teams

    ...Every booking keeps its origin and whole imports can be rolled back, so your data stays auditable. No time data ever leaves your server. The Community edition is free and MIT-licensed. An optional Pro edition adds planning, invoicing, quote calculation and accounting connectors. Source & issues: https://github.com/freshNfunky/Timeminator-Community Website: https://timeminator.github.io
    Downloads: 5 This Week
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  • 9
    AMBIT:Chemical Structure DB&Web Service

    AMBIT:Chemical Structure DB&Web Service

    Chemical structures database & machine learning with web services API

    AMBIT offers a cheminformatics data management for chemical substances, structures and nanomaterials. Flexible structure, similarity and study queries storage, descriptor calculation and predictive models building via REST web services.User interface for creating read across assessment and generating reports, aligned with regulatory and industrial requirements. Command line applications also available. Integration with third party tools and databases.
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    Downloads: 3 This Week
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  • 10
    Smart - Cash Flow Management

    Smart - Cash Flow Management

    Smart - Cash Flow & Financial Management

    Smart is a fast, web-based financial management and cash flow system engineered for small and medium-sized businesses, solo entrepreneurs, and corporate finance teams. Built to replace cluttered spreadsheets and sluggish legacy ERPs, Smart delivers an agile, responsive interface backed by rigorous bank reconciliation, multi-level chart of accounts, and comprehensive audit trails.
    Downloads: 9 This Week
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  • 11
    TRURL

    TRURL

    A suite of RPN calculators and a class library for Object Pascal

    ...Additionally, it comes with a free reusable class library (RPN Engine) as a toolbox for creating your own calculator. TRURL is an acronym for "TRURL is a Reusable Universal RPN Library". Class Libraries: • RPN Engine: Full-featured calculation engine for Pascal-based RPN calculators • Segmitator: Library for virtual seven-segment displays Applications: • TRURL A: Simple demo app for the RPN Engine • TRURL B: RPN calculator in the design of the famous calculators by Dieter Rahms for Braun • TRURL G: Desktop RPN calculator inspired by the UI of the DSKY unit of the Apollo Guidance Computer (AGC)
    Downloads: 8 This Week
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  • 12

    Hyperspectral data analysis in R

    Handling and basic analysis of hyperspectral data in R

    The hsdar package contains classes and functions to manage, analyse and simulate hyperspectral data. These might be either spectrometer measurements or hyperspectral images through the interface of rgdal.
    Downloads: 0 This Week
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  • 13
    Nihil Dice Roller

    Nihil Dice Roller

    Cross-platform dice roller for multiple RPG systems.

    The Nihil Dice Roller is a graphical, multiplatform dice roller written in Lazarus/FPC. It features a wide range of dice (from 2 to 999 sides) and supports several systems like White Wolf's oWoD and nWoD; West End Games' D6, and Grey Ghost's Fudge
    Downloads: 1 This Week
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  • 14
    ransfoil

    ransfoil

    console to calculate airflow around an airfoil based on RANS approach

    ...In addition, the coupling between airflow and heat transfer and the effect of surface roughness on near wall flow are considered by this program, it can be used for engineering calculation of the friction drag and heat transfer coefficients on airfoil surface. RANSFOIL reads coordinates data from a 1D XYZ file which describes the grid points or control points on airfoil as only input, then outputs grid and solution files in 2D PLOT3D format to record grid coordinates and airflow data and a report file to show aerodynamic parameters.
    Downloads: 2 This Week
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  • 15
    CPQ Metrics & KPI Dictionary

    CPQ Metrics & KPI Dictionary

    Standard CPQ metrics for quote speed, approvals and commercial control

    The CPQ Metrics & KPI Dictionary is a free, vendor-neutral reference for standardising how quote speed, approval efficiency, commercial control, quote quality and commercial outcomes are defined and measured. Version 1.0.0 contains 14 controlled metrics across four categories: Speed and flow, Approval efficiency, Commercial control, and Quality and outcome. Includes an Excel workbook, CSV and JSON dictionaries, JSON Schema, dashboard specification, data requirements, implementation...
    Downloads: 0 This Week
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  • 16
    IpWay/HOST free Tcp/Ip Stack Library

    IpWay/HOST free Tcp/Ip Stack Library

    Real Time Tcp/Ip Stack Library

    IpWay/HOST is a real time tcp/ip stack library designed for embedded applications on 32bit microcontrollers ARM and PPC based (STM32Fx, SPC56x, SPC57x, SPC58x), where execution efficiency and compact code are important requirements. IpWay/HOST is characterized by high portability, compact size, copyless feature (also for TCP applications) and Checksum offload. Moreover, IpWay offers a 100% compatibility with AUTOSAR MCAL versions 4.13 and 4.2.x. IpWayStudio is a free ARM development...
    Downloads: 0 This Week
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  • 17
    Project:Vulcan

    Project:Vulcan

    A Model Rocket Motor Test Stand

    ...That creates a small change in the electrical current and that change is measured and recorded. The load-cell does the same thing when you step on a scale to weigh yourself. There is a change in the current and a calculation is performed to display your weight. This page only contains the software for the Arduino Mega2560 and not the CAD drawings or 3D printing files. A copy of the 180+ page Project Manual is also available for download. See this project at Instructables: https://www.instructables.com/Project-Vulcan-a-Model-Rocket-Motor-Test-Stand
    Downloads: 0 This Week
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  • 18

    IO91pm

    Command-line calculator for Maidenhead- (QTH-, QRA-) Locators.

    Keywords: Hamradio, Radio-amateurs, Maidenhead-, QTH-, (QRA-), Locator, Distance and Bearing Calculator, GNU/Linux command-line, LaTeX,- UTF-8-, ASCII-output, GPLv3; based on GM4ANB's book. "IO91pm is the Maidenhead-Locator for Maidenhead" ========================================= Background --------------- * For another little project, I wanted a QTH-Locator calculator for the UNIX (GNU/Linux, bash) command-line. * There are many, some very good, online QTH resources, but I wanted...
    Downloads: 0 This Week
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  • 19
    NKTgLaw

    NKTgLaw

    Core library & API for the NKTg Law (Nguyen Khanh Tung). Includes core

    Core library & API for the NKTg Law (Nguyen Khanh Tung). Includes core implementation, REST/gRPC API, and 150+ client wrappers
    Downloads: 0 This Week
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  • 20
    Ahp Software
    ...AHP Khaskia official version is powerful, convenient and easy to use. It supports the solution of AHP problems in decision-making and operational research, and automatically processes calculation results for you 1. AHP Khaskia has less analysis functions, so the operation is simple 2. A variety of decision analysis modes can be established in the first interface 3. Analysis can be performed on different targets in the calculation interface 4. It also supports the analysis of different criteria 5. ...
    Downloads: 13 This Week
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  • 21
    Algerian/Spanish Checkers

    Algerian/Spanish Checkers

    Algerian / Spanish checkers with Minimax and Alpha–beta pruning

    Algerian / Spanish Checkers Variant is a digital implementation of the classic board game with unique features and rules. Currently, the program integrates an AI opponent using the Minimax algorithm with alpha-beta pruning. The previous versions just favours moves that result in the fewest captures for the opponent. Future versions will include more sophisticated AI to enhance gameplay. The program currently handles all kind of regular piece and dama moves and captures.
    Downloads: 5 This Week
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  • 22
    Timefall

    Timefall

    Tracks and Records Your Work Time Accurately

    Timefall is open open-source project and completely free to use. The Timefall project is an open-source software that is being developed to provide users with an efficient and convenient time management tool. Created with modern software trends in mind, Timefall is a tool accessible to anyone who wants to better understand how they allocate their time and how it can be used most productively. It's a simple yet powerful tool capable of adapting to each user's needs.
    Downloads: 5 This Week
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  • 23
    Position Sizer

    Position Sizer

    Risk-based position size calculation tool with extra features

    Position Sizer is a utility panel for MetaTrader 4 and MetaTrader 5 platforms that lets you easily calculate position sizes for trades based on risk tolerance, stop-loss, account size, and the current market conditions. It can be configured and customized in multiple ways: https://www.earnforex.com/metatrader-expert-advisors/Position-Sizer/
    Downloads: 29 This Week
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  • 24
    airda

    airda

    airda(Air Data Agent

    airda(Air Data Agent) is a multi-smart body for data analysis, capable of understanding data development and data analysis needs, understanding data, generating data-oriented queries, data visualization, machine learning and other tasks of SQL and Python codes.
    Downloads: 0 This Week
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  • 25
    NoteCalc

    NoteCalc

    NoteCalc is a handy calculator

    NoteCalc is a hybrid note-taking and calculation tool that merges a text editor with a powerful inline calculator, allowing users to write structured notes while performing real-time computations alongside them. The interface is split into two synchronized panels where the left side contains editable text and the right side automatically displays computed results for each line, creating a seamless workflow between documentation and calculation.
    Downloads: 11 This Week
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