Business & Commerce Apps for Windows

Flexible accounting software for personal and small business use, GnuCash is freely available under the GNU GPL, supporting multiple OS and financial tasks.

Effortlessly manage home inventory with minimal setup. Fast, low-resource usage, and SQLite portability make it an ideal solution for home users.

Open-source diagram editor with cross-platform support offering entity relationship, UML, flowchart, and network diagram creation with editable objects.

Wealthfolio is a simple, desktop-based investment tracker. Your financial data is stored safely on your own computer Ditch the spreadsheets, forget about those pesky subscription fees, and no more worries about SaaS services playing around with your data.

Free open-source accounting tool for personal finance and budgeting, featuring multi-platform support, detailed analysis tools, customizable reports, and data import.

Integrates enterprise resource planning, CRM, and more, eliminating the need for multiple software with open-source solutions developed in Python.

MoneyManager Ex is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one's finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird's eye view of your financial worth.

Actual is an personal finance tracker with a powerful budgeting system. Only budget money that you have and see exactly how much you're saving each month. Track all your accounts in one place.

PrestaShop is an open-source e-commerce free software powering nearly 200,000 online stores. are built using this software around the world. Translated into more than 60 languages.The success of PrestaShop software is thanks to countless hours by numerous contributors from...

A 100% Open Source app that tries to make personal finances easier. Fast, simple, without ads, without the need for an Internet connection and with a groundbreaking design, that's Monekin.

Litecoin is a peer-to-peer Internet currency that enables instant payments to anyone in the world. It differs from its parent Bitcoin in that can be efficiently mined with consumer-grade hardware.

LimeSurvey (formerly PHPSurveyor) is an Open Source PHP web application to develop, publish and collect responses to online & offline surveys. Anonymous and Not-Anonymous survey, open and closed group of participant surveys, optional public registration for surveys.

Paisa is a Personal finance manager. It builds on top of the Ledger double entry accounting tool.

Dolibarr ERP & CRM is a modern and easy to use open-source web software package to manage your business (customers, invoices, orders, products, stocks, agenda, e-mailings, shipments...).

Send e-mail campaigns, newsletters, manage mailing lists, all from a powerful self-hosted dashboard released as a single binary. High performance and feature packed open source app written in Golang, and backed by Postgres.

Streamlines ticket management with multichannel support, advanced automation, SLA tracking, analytics, self-service options, team collaboration, AI, and security.

The Unit Converter app: easy, immediate and multi-platform.

From the makers of ERPNext, Frappe Books simplifies invoicing, billing, and accounting for freelancers and small business owners. Create professional invoices, generate beautiful PDFs and send them to your customers.

Material Design expense manager is crafted just for you. Simple navigation makes it easier to use anytime with no hustle in adding, updating & deleting expenses.

KMyMoney is a cross-platform personal finance manager built on KDE frameworks technologies for your desktop and notebook environment. It enables users to keep careful track of their personal finances by providing a broad array of financial features and tools.

Free, open-source invoicing tool with PDF generation, online payment support, invoice templates, multi-gateway integration, and business customization options.

Lightweight, open-source support solution with built-in customer portal and rich admin dashboard for easy ticket management.

Numi is a handy calculator app for macOS. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today + 2 weeks. Numi is not limited to simple calculations, it can solve expressions of any complexity, with...

Mars is a free dev tool for building web and mobile apps out of micro-apps combining no-code and code interfaces. MarsX is a platform that is designed specifically for startups and aims to make their journey easier, bringing more power and flexibility by allowing them to reuse...

tawk.to is a live chat app that lets you monitor and chat with visitors on your website or from a customizable page.