C Financial Software

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

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  • 1
    GnuCash

    GnuCash

    Personal and small-business finance manager

    GnuCash is a personal and small-business finance manager with a check-book like register GUI to enter and track bank accounts, stocks, income and expenses. GnuCash is designed to be simple and easy to use but still based on formal accounting principles.
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    Downloads: 5,221 This Week
    Last Update:
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  • 2
    Technical analysis library with indicators like ADX, MACD, RSI, Stochastic and TRIX, plus candlestick pattern recognition. Docs: https://ta-lib.org Available natively in C/C++, Java, Rust and C# with wrappers for python, R and many other ecosystems. MOVED TO GITHUB: https://github.com/TA-Lib/ta-lib . No further support is provided on SourceForge. Release 0.4.0 is very outdated, please check github for the most recent release.
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    Downloads: 5,556 This Week
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  • 3
    Grisbi
    Grisbi is a very functional personal financial management program with a reasonable set of homefinance features.
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    Downloads: 672 This Week
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  • 4
    Open Tax Solver

    Open Tax Solver

    Calculates income tax form entries, helps do your taxes.

    OTS is a safe, secure, easy-to-use program for calculating Tax Return Form entries, and determining your tax-owed or refund-due, for Federal or State personal income taxes. Includes updated versions for US 1040, Schedules A, B, C, D, and for several states. OTS provides both graphical and textual interfaces for quickly filing out your tax forms. --- Best way to download the correct version for your platform -- go to the OTS WEBSITE: =====> https://opentaxsolver.sourceforge.net/
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    Downloads: 515 This Week
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  • 5

    xlsLib

    C++/C library to construct Excel .xls files in code.

    A multiplatform C++ library for dynamic generation of Excel .xls files containing multiple worksheets. Unlike .csv files, these can be directly opened by Excel and thus provide an excellent way to output large data sets that require further analysis. To see the latest changes, select "Files" and view the README text displayed at the bottom of that pane. IMPORTANT: Major changes are contained in the current SVN source. If you have time please try to use it or the xlslib-package-2.4.0b1.zip archive, and enter bug reports on any problems! Changes: - library specific strings now in their own namespace - iOS Objective-C library - most project files updated (MSVS etc) - C bridge now supports formulas Note: there is a related SF project, libxls, to read Excel files.
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    Downloads: 33 This Week
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  • 6
    XonGrid

    XonGrid

    Excel interpolation add-in

    XonGrid is a free Excel library of functions to perform 1D, 2D, 3D, 4D and arbitrary dimension (ND) interpolations from scattered data.
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    Downloads: 39 This Week
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  • 7
    esniper was a lightweight console application for sniping eBay auctions. *It does not work anymore.* The development stopped in 2020 because ebay has changed the login mechanism in a way we could not handle in the existing code.
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    Downloads: 16 This Week
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  • 8
    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 Diffusion, Quanto, Vasicek Bond Option, Turnbull Wakeman Asian, TimeSwitchOption, Look Barrier, Bachelier, PartialTimeBarrier, GapOption, Extreme Spread Option, Simple Chooser, ComplexChooser, PartialFixedLB, Executive, CashOrNothing, Extendible Writer, OptionsOnOptions, BAWAmericanApprox, BSAmericanApprox, AssetOrNothing, Bisection, BAWbisection, BSbisection, Gfrench, Gcarry, Swapoption, Complex Chooser, Super Share, EquityLinkedFXO, Spread Approximation, BinaryBarrier and more
    Downloads: 11 This Week
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  • 9
    Port of GRISBI a GPL accounting manager (http://www.grisbi.org/) under Windows. Depending of the GRISBI version the port should be done using CYGWIN or in a native way. You will found here all stuff needed to install, use and compile GRISBI under Windows
    Downloads: 13 This Week
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  • 10
    HomeBank

    HomeBank

    Free, easy, personal accounting for everyone

    «HomeBank» is the software you have always wanted to manage your personal accounts. It brings you many features to analyze your finances in a detailed way instantly and dynamically with powerfull report tools based on filtering and graphical charts.
    Downloads: 11 This Week
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  • 11
    A library to check bank account numbers and bank codes (BLZ) of German Banks. It is based on the specifications of the "Deutsche Bundesbank".
    Downloads: 18 This Week
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  • 12
    This is a C library to check the validity of German and Austrian Bank Account Numbers. All currently defined test methods by Deutsche Bundesbank (Dec 2017: 00 to E4) are implemented. Modules for AWK, Perl, PHP, Python, Ruby, C#.net and VB.net are included too. The package includes also an IBAN converter to generate (german) IBANs and BICs from account data. All currently defined IBAN rules by Deutsche Bundesbank are implemented (Dec 2017: 57 rules) and tested against independent solutions.
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    Downloads: 18 This Week
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  • 13
    This is the LibOFX library. It is a parser and an API designed to allow applications to support the OFX banking standard (mostly used for bank statement download). To my knowledge, it is the first working OpenSource implementation on the client side.
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    Downloads: 17 This Week
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  • 14
    btctick

    btctick

    Bitcoin price tickers for LXDE

    Display a current Bitcoin price in your LXDE task bar. One tarball includes text and plot versions. Could also display a stock price or whatever you set up using some site's API.
    Downloads: 17 This Week
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  • 15
    muhasebeci is a free accounting program. it is for all size firms.
    Downloads: 8 This Week
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  • 16
    PK7
    Utility to validate, extract, show and create digital documents included in files with "pk7" and "fp7" extensions such as electronic bills provided by some phone companies in Spain like Movistar and Telefonica.
    Downloads: 14 This Week
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  • 17
    XLW is a C++ wrapper for the Excel C API described in the Microsoft Excel 97 Developer's Kit. It makes xll programming automatic. Its powerful interface will empower your C, C# or C++ numerics by embedding them in Excel just like the built-in functions.
    Downloads: 14 This Week
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  • 18
    Metrocoin

    Metrocoin

    Metrocoin is for Growth

    Metrocoin is an experimental new digital currency that enables instant payments to anyone, anywhere in the world. Metrocoin uses peer-to-peer technology to operate with no central authority: managing transactions and issuing money are carried out collectively by the network. Metrocoin is also the name of the open source software which enables the use of this currency.
    Downloads: 9 This Week
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  • 19
    Getting your first mortgage? No, this isn't spam, its mort! A simple but powerful loan/mortgage calculator that also amortizes.
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    Downloads: 9 This Week
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  • 20
    iceB - accounting software for Linux/Win

    iceB - accounting software for Linux/Win

    iceB - free and opensource accounting software for Linux and Windows

    IceB is personal and corporate financial accounting (bookkeeping) software that can manage multiple accounts, multiple bases, and multiple users. It manages third parties, expenditures, and receipts categories, and also budgetary lines, financial years, and other. Support multiplatform - Linux/Unix and MS Windows (include Windows7)
    Downloads: 5 This Week
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  • 21
    A library to generate the bidimensional barcode PDF417. The generated result is a byte array representing the barcode image that can be included in the users application.
    Downloads: 3 This Week
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  • 22
    Stansoft

    Stansoft

    Accounting, invoicing, inventory and payroll software for Linux

    Stansoft is a Linux financial accounting software system for business. It is designed for data entry efficiency with an ncurses text-based terminal user interface. Developed using Aubit4GL / Informix 4GL with a PostgreSQL or Informix database engine. Demonstration videos can be found on the YouTube channel at https://www.youtube.com/@standardsoftware.
    Downloads: 8 This Week
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  • 23

    Gnotime

    track time spent, keep a diary, to-do list, generate reports, bills

    GnoTime (formerly GTT, the Gnome Time Tracker) is a desktop utility for tracking the amount of time spent on projects, keeping a to-do list, maintaining a diary, and generating reports and invoices based on that time.
    Downloads: 2 This Week
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  • 24
    Fireworkz (Colton Software)

    Fireworkz (Colton Software)

    An integrated word processor and spreadsheet for RISC OS and Windows

    Fireworkz combines the features of Wordz (a word processor that you can use to write letters, reports, books, invitations, shopping lists, schedules and other documents) and Resultz (a spreadsheet that you can use to perform calculations, analyse figures, and produce colourful charts) enabling you to do even more; incorporate live results in your reports, or perform an automatic mail-merge to your friends or customers. If you are using Microsoft® Windows®, Linux or macOS, and don't know what RISC OS is, you may be better off using LibreOffice!
    Downloads: 4 This Week
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  • 25
    Cafe Con Leche (CCL) are a crossplataform library (libccl) to make programs to manage internet cafes and program that does just that using libccl.
    Downloads: 2 This Week
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