Open Source Windows Financial Software
Sort By:
Financial Software for Windows
View 1685 business solutionsBrowse free open source Financial software and projects for Windows below. Use the toggles on the left to filter open source Financial software by OS, license, language, programming language, and project status.
-
Our Free Plans just got better! | Auth0You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
-
Smart Business Texting that Generates PipelineTextUs is the leading text messaging service provider for businesses that want to engage in real-time conversations with customers, leads, employees and candidates. Text messaging is one of the most engaging ways to communicate with customers, candidates, employees and leads. 1:1, two-way messaging encourages response and engagement. Text messages help teams get 10x the response rate over phone and email. Business text messaging has become a more viable form of communication than traditional mediums. The TextUs user experience is intentionally designed to resemble the familiar SMS inbox, allowing users to easily manage contacts, conversations, and campaigns. Work right from your desktop with the TextUs web app or use the Chrome extension alongside your ATS or CRM. Leverage the mobile app for on-the-go sending and responding.
-
1
Apache OpenOffice
The free and Open Source productivity suite
Free alternative for Office productivity tools: Apache OpenOffice - formerly known as OpenOffice.org - is an open-source office productivity software suite containing word processor, spreadsheet, presentation, graphics, formula editor, and database management applications. OpenOffice is available in many languages, works on all common computers, stores data in ODF - the international open standard format - and is able to read and write files in other formats, included the format used by the most common office suite packages. OpenOffice is also able to export files in PDF format. OpenOffice has supported extensions, in a similar manner to Mozilla Firefox, making easy to add new functionality to an existing OpenOffice installation. -
2
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. -
3
Technical analysis library with indicators like ADX, MACD, RSI, Stochastic, TRIX... includes also candlestick pattern recognition. Useful for trading application developpers using either Excel, .NET, Mono, Java, Perl or C/C++.
-
4
Dolibarr ERP - CRM
Open source ERP and CRM web software for business
Dolibarr ERP - CRM is an easy to use ERP and CRM open source software package (run with a web php server or as standalone software) for businesses, foundations or freelancers (prospect, invoicing, inventory, warehouse, order, shipment, POS, members for foundations, bank accounts...). Dolibarr is also available with auto-installers for users with no technical knowledge to install Dolibarr and all its prerequisites (Apache, Mysql, PHP) with just one package. Available platforms for such packages are: Windows, Debian, Ubuntu, Mint, Redhat, Fedora, OpenSuse, Mandriva, Mageia. Other platform can use the generic distribution. This is a modular product, than can be enhanced with tons of external modules (to provide you features not available by default) from https://www.dolistore.com Download Dolibarr ERP - CRM here or sign up for 15-day free trial of the cloud-based application with free updates and support at one of the Cloud providers https://saas.dolibarr.org/ -
BoldTrail Real Estate CRMBoldTrail, the #1 rated real estate platform, is built to power your entire brokerage with next-generation technology your agents will use and love. Showcase your unique brand with customizable websites for your company, offices, and every agent. Maximize lead capture with a modern, portal-like consumer search experience and intelligent behavior tracking. Hyper-local area pages, home valuation pages and options for rich lifestyle data keep customers searching with your brokerage as the local experts. The most robust lead gen tools on the market help your brokerage, teams & agents effectively drive new business - no matter their budget. Empower your agents to generate free leads instantly with our simple to use landing pages & IDX squeeze pages. Drive more leads with higher quality and lower cost through in-house tools built within the platform. Diversify lead sources with our automated social media posting, integrated Google and Facebook advertising, custom text codes and more.
-
5
Grisbi is a very functional personal financial management program with a reasonable set of homefinance features.
-
6
uniCenta POS
uniCenta oPOS - dynamically evolving POS project
Keep up-to-date with the latest news - Visit uniCenta's main site https://unicenta.com/about-unicenta-opos/unicenta-news/ uniCenta oPOS v5.0 is the latest community release. Get the latest uniCenta oPOS 5.4.0 https://unicenta.com/download-files/ if you would like to make a contribution and support the project or need business support help. 📢 uniCenta oPOS 5.4.0 in fully integrated with WooCommerce! ✅ Run your website and store with the same data ✅ Support table ordering at your restaurant ✅ Click and Collect ✅ Pop-up events with your online products ✅ Centralised customers for loyalty programs ✅ Centralised customers for discounts / promotions Please see the changelog here: https://unicenta.com/support/changelog-unicenta-opos/ uniCenta oPOS is a multi-lingual - 17 languages - commercial-grade POS (Point-Of-Sale) software. It is multi-location, multi-terminal and multi-user and runs on industry standard hardware. Installing uniCenta oPOS 5.0 requires no de -
7
Chromis POS
Chromis POS, the new evolving face for your point of sale needs
Are you looking for POS software for your outlet? Chromis Pos is a feature rich Point of Sale software. Which will run a variety of hardware, the only requirement is that it must be capable of running Java 11 Chromis Pos seperates the till and backoffice functions into individual applications. The latest version includes a number of new features Chromis pos has a small team of people who are always willing to assist with any issues Features -
8
Open Source Point of Sale
Open Source Point of Sale is a web based point of sale application
Open Source Point of Sale (OSPOS) is a free and open-source point-of-sale system for small and medium-sized businesses. It helps manage sales, inventory, and customer data through a user-friendly web interface. OSPOS is highly customizable and supports barcode scanning, multi-language support, and detailed reporting, making it ideal for retail stores, restaurants, and small businesses seeking an affordable POS solution. -
9
PhpSpreadsheet
A pure PHP library for reading and writing spreadsheet files
PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. PhpSpreadsheet is a library written in pure PHP and offers a set of classes that allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc. Support for PHP versions will only be maintained for a period of six months beyond the end of life of that PHP version. Use composer to install PhpSpreadsheet into your project. Or also download the documentation and samples if you plan to use them. A good way to get started is to run some of the samples. Don't forget to download them via --prefer-source composer flag. And then serve them via PHP built-in webserver. PhpSpreadsheet relies on Composer autoloader. So before working with PhpSpreadsheet in standalone, be sure to run composer install. -
eProcurement SoftwareeBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
-
10
Frappe Books
Free Desktop book-keeping software for small-businesses & freelancers
Frappe Books is a free and open source desktop book-keeping software that's simple and well-designed to be used by small businesses and freelancers. It's got everything you need from a small business accounting tool: invoices, billing, payments, reporting and more. It's made to work offline using a local SQLite file as the database, so you don't have to be dependent on a Cloud service provider. Frappe Books features a clean and modern, web-friendly UI, beautiful invoice templates, standard financial reports and other great features. It's inherently portable and secure, as your data is never uploaded into the Cloud. -
11
NocoDB
Open Source Airtable Alternative
NocoDB is an open source #NoCode platform that turns any database into a smart spreadsheet. It is free & self-hostable. Let your imagination be thy limit. Create unlimited grid view, gallery view, form view from your own data. Search, sort, filter columns and rows with ultra ease. Collaborate just like spreadsheets. Invite your team with fine-grained Access Control. Share views publicly and also with password protection. Build automation with you favorite apps: Microsoft Teams Slack, Discord, Whatsapp, Twilio, Email & SMS. -
12
FrontAccounting (FA) is a professional web-based Accounting system for the entire ERP chain written in PHP, using MySQL. FA is multilingual and multicurrency. For further information and more downloads, visit our website, http://frontaccounting.com.
-
13
OpenClinic GA
Open Source Integrated Hospital Information Management System
OpenClinic GA is an open source integrated hospital information management system covering management of administrative, financial, clinical, lab, x-ray, pharmacy, meals distribution and other data. Extensive statistical and reporting capabilities. -
14
JExcelApi is a java library which provides the ability to read, write, and modify Microsoft Excel spreadsheets. This project mirrors the files on http://www.jexcelapi.org, which has been known to go down on occasion.
-
15
Mifos - Open Source Core Banking
Democratizing Financial Services Worldwide
The Mifos Stack provides API-driven core banking infrastructure in the cloud. Apache Fineract (https://github.com/apache/fineract/) is the back-end core banking platform originated by the Mifos Initiative. Mifos X acts as the reference web and mobile apps for staff and customers providing an out of the box ready-to-deploy solution on top of Apache Fineract along with reporting, payments orchestration and other ancillary solutions. More than 20 million customers are reached by 400+ institutions using the Mifos and Fineract APIs. The back-end has the customer management, wallet/account management, loan and deposit management, general ledger, and reporting services to provide a full range of digital financial services. These back-end services are exposed through a RESTful API allowing others to rapidly build new applications to serve the poor. This multi-tenant architecture is lightweight and ready for the cloud providing the extensibility and scalability for growth. -
16
TurboCASH Accounting
SME Accounting package, General Ledger, Debtors, Creditors, Stock
TurboCASH Accounting, entry level Accounting package for single users, small networks and distributed networks. Delphi development in Windows, Linux in Wine. Accomodates developer scripts, local plugins and multi language translation. Ideal for SME market -
17
Akaunting
Online Accounting Software
Online accounting software designed for small businesses and freelancers. Akaunting is built with modern technologies such as Laravel, VueJS, Tailwind, RESTful API etc. Thanks to its modular structure, Akaunting provides an awesome App Store for users and developers. -
18
Portfolio Performance
Track and evaluate the performance of your investment portfolio
Portfolio Performance: Track and evaluate the performance of your investment portfolio across stocks, cryptocurrencies, and other assets. Performance indicators like that True-Time Weighted Rate of Return or the internal rate of return ( Internal rate of return ) are calculated. Historical courses are automatically run by Yahoo Finance loaded or can be extracted from any HTML pages. Due to the open file format, all data is available as XML available or can be used as CSV be exported. Support for Rebalancing based on freely definable Asset allocations. With the help of the historical exchange rates of the European Central Bank ( ECB ) accounts and shares can be held in foreign currency. -
19
NexoPOS
The base version of NexoPOS, which is a web-Based Point Of Sale (POS)
NexoPOS 4 is a free point-of-sale system built using Laravel, TailwindCSS, Vue, and other open-source resources. This POS System focuses on utilities and functionalities to offer most businesses all the tools they need to manage better their store. NexoPOS includes a responsive and beautiful dashboard that eases the interaction either on a smartphone, tables, or desktops. NexoPOS available on CodeCanyon gives access to premium modules marketplace. -
20
OpenBB Terminal
Investment research for everyone, anywhere
Fully written in python which is one of the most used programming languages due to its simplified syntax and shallow learning curve. It is the first time in history that users, regardless of their background, can so easily add features to an investment research platform. The MIT Open Source license allows any user to fork the project to either add features to the broader community or create their own customized terminal version. The terminal allows for users to import their own proprietary datasets to use on our econometric menu. In addition, users are allowed to export any type of data to any type of format whether that is raw data in Excel or an image in PNG. This is ideal for finance content creation. Create notebook templates (through papermill) which can be run on different tickers. This level of automation allows to speed up the development of your investment thesis and reduce human error. -
21
Group Office groupware and CRM
Take your office and CRM into the cloud!
Installation instructions can be found here: https://groupoffice.readthedocs.io/en/latest/install/install.html Group Office is an open source groupware application. It makes your daily office tasks easier. Share projects, calendars, files and e-mail online. It is a complete solution for all your online office needs. From a customer phone call to a project and finally an invoice. The support system helps to keep your customers happy. Group Office is fast, secure and has privacy by design. You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform. -
22
Actual Budget
Fast, privacy-focused personal finance app
Actual Budget is a fast, privacy-focused personal finance app built around the proven envelope budgeting methodology. It keeps you in control of your money with tools designed to help you make thoughtful financial decisions rather than relying on automated guesswork. The app is fully local-first, meaning it works offline and syncs quietly across your devices without ever compromising ownership of your data. Optional end-to-end encryption ensures your financial information stays private, even when using self-hosted sync. With intuitive budgeting tools, streamlined transaction management, and powerful custom reporting, Actual Budget makes it easier to understand your spending and savings. It brings all your accounts, budgets, and insights together in one beautifully designed and lightning-fast interface. -
23
Firefly III
Firefly III: a personal finances manager
Firefly III is a personal finance manager and double-entry accounting tool built to help individuals and small organizations track budgets, investments, debts, and expenses. Users can import bank statements (CSV, OFX, QIF) or integrate via APIs, map transaction categories, and reconcile accounts. The system supports budgeting schedules, repeating transactions, automatic categorization rules, and reporting dashboards to analyze trends over time. For investments, it tracks price history, performance, and holdings, allowing users to see their net worth across accounts and assets. Because of its foundation on solid accounting principles, it supports transfers, splits, credits, and sign conventions accurately. It can be self-hosted, allowing users full control over their financial data, with modular architecture and RESTful APIs so other tools or mobile apps can integrate. -
24
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/ -
25
Open Source Point of Sale is a web based point of sale system written in the PHP language. It uses MySQL as the data storage back-end and has a simple user interface. **Active development and maintenance has been moved to github (see homepage link)** If you like the project, and you are making money out of it on a daily basis, then consider to buy me a coffee so I can keep adding features.
