Open Source C Accounting Software

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.

Grisbi is a very functional personal financial management program with a reasonable set of homefinance features.

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/

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

«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.

muhasebeci is a free accounting program. it is for all size firms.

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.

Cafe Con Leche (CCL) are a crossplataform library (libccl) to make programs to manage internet cafes and program that does just that using libccl.

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)

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.

GnuCash Portable provides a PortableApps.com style NSIS launcher enabling GnuCash to run from a portable drive without installing it on the host machine.

Beanie is a flexible, distributed open-source accounting system for medium-sized companies. It includes back-end batch processing as well as a GTK GUI. It provides automated purchases, sales and nominal ledgers as well as automated invoicing (via email).

💰 BudgetBuddy is a modern, intelligent personal finance app built with Flutter to help you take full control of your money. 📊 Track daily expenses, monitor financial goals, and manage installments — all backed by an 🤖 AI Financial Advisor powered by OpenRouter that gives real-time advice on whether a purchase fits your budget. 💳 View your Net Worth, Bank Total, and Cash Reserves through beautifully designed glassmorphic swipeable cards. 🔒 Your data stays secure with biometric fingerprint and face unlock, and you can ☁️ back it all up safely to Google Drive. 🌍 Built for local users too — BudgetBuddy is fully bilingual (English & Sinhala), supports 🌗 dark/light mode, and can 📱 automatically read and categorize SMS bank transaction alerts so you never have to log expenses manually. Whether you are tracking petty cash, recurring bills, or long-term savings goals — BudgetBuddy makes personal finance simple, secure, and smart. ✨

We no longer use sf.net as our hosting site. You can find more information about our project at http://www.gnuenterprise.org --- GNU Enterprise is a project aimed at developing a complete enterprise level business environment.

The IPDR.org reference libraries encode and decode IPDR usage documents in either XML or the binary format. Libraries are available in C and Java.

eFact is a project framework for Bulgarian small business. In framework include modules for Accounting, Store, Clients, Vendors, Billing, Employee, Generator for Report; WinAPI, xmlParser and dbServer lib base o.'s xHarbour project.

This project aims at developping a set of programs for business needs, such as accounting, payroll and inventory.

The main point of this project is to create a program for calculate the profit of your bet. Read the help file for more informations about how to use the program and the input/output data

Gnofin is a light-weight personal finance application for GNOME.

This was an assignment when I finished learning to work with arrays with C language. It uses a 5D array to simulate a warehouse complex and uses various techniques to do some basic warehousing tasks like updating inventory, calculating the inventory value. It is fully modularized and uses C's random function to fill warehouse items with a conditioned random values.

Amigabok is an accounting program for the AmigaOS. It was first released for the Amiga 500 and was left behind quite some time ago. The aim of this project is to update the program to modern standards and continue the development of Amigabok.

Billd is a complete open source billing system for ICRadius written in C. Includes billing daemon with support for variuos billing methods, support for pre-paid cards and administration tools for users management.

The broadcast industry has needed something like this for over 20 years, and no one has had the intestinal fortitude to go up against the only company that provides a similar product. It is a machine control program, an accounting & billing program...

This software is intend to hepl small business with their bookkeeping work in a form that lets the user enter almost any financial information, which will be edited, saved to file and may be printed. This software is in German, but an English release wil

CartoReso intends to facilitate enterprise computer network mapping.