Showing 90 open source projects for "payment"

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  • 1
    Invoice Ninja

    Invoice Ninja

    Free and Open Source Invoicing, Expenses & Time-Tracking

    ...It offers a plethora of great features, including custom branded invoice design, recurring invoicing and auto-bill clients, real-time quote creation and custom proposals, expense reporting and so much more! Invoice Ninja is also capable of handling online payments from more than 40 payment gateways, including Stripe, PayPal and WePay. It also accepts payments using credit cards, ACH, Bitcoin and more. Get paid online, organize project workflows with Kanban Boards, and track time online via your Webapp account all with Invoice Ninja.
    Downloads: 18 This Week
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  • 2
    FOSSBilling

    FOSSBilling

    Empower your hosting business with FOSSBilling

    ...Because it’s self-hosted and licensed under the Apache 2.0 license, organizations have full control over their data and can customize or extend the system to fit unique workflows or branding requirements. FOSSBilling supports integration with numerous control panels and payment gateways, helping businesses automate domain management, hosting account creation, and customer notifications without manual intervention. The platform is built to be extensible, with a modular architecture that allows developers to add new features, themes, or third-party extensions.
    Downloads: 4 This Week
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  • 3
    Wallos

    Wallos

    Open-source, self-hostable personal subscription tracker

    ...It focuses on turning subscriptions into a clear, organized view of your financial commitments, helping you spot waste, anticipate upcoming charges, and plan your budget with fewer surprises. The app supports subscription management with due dates and payment schedules so you can keep track of what’s active and when it renews. To make analysis more meaningful, Wallos includes category management so you can group expenses and identify spending patterns over time. It also supports multiple currencies, which is especially useful for people paying for services in different billing regions or traveling between countries.
    Downloads: 3 This Week
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  • 4
    Liberapay

    Liberapay

    Source code of the recurrent donations platform Liberapay

    ...Liberapay distinguishes itself by not taking a commission from donations, instead relying on voluntary contributions to sustain the platform itself. It supports multiple currencies and integrates with payment processors such as Stripe and PayPal, enabling global participation. The system also includes features like team-based funding, pledges for users not yet registered, and public transparency of donation flows.
    Downloads: 0 This Week
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  • 5
    SolidInvoice

    SolidInvoice

    Simple and elegant invoicing solution

    SolidInvoice is a simple open source general billing manager/ invoicing application made for small businesses and freelancers. It helps you manage clients, contacts, day-to-day billing and more so you can always get paid right and on time. SolidInvoice is capable of handling recurring invoices, quotes and estimates, as well as online payments. You can receive payments from a number of different gateways such as Paypal Express, Stripe Checkout, Be2bill and more. It also supports multiple...
    Downloads: 2 This Week
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  • 6
    reverse API auto VPBank

    reverse API auto VPBank

    Reverse engineering API

    🏦 VPBank API - Auto Payment Automation 🚀 Giải pháp tự động hóa biến động số dư & xác thực thanh toán VPBank Neo. Hệ thống quét lịch sử giao dịch (LSGD) liên tục, tự động khớp đơn hàng qua nội dung chuyển khoản nhanh như QR DOJI. ✨ Tính năng nổi bật 🔄 Real-time Loop: Tự động quét biến động số dư liên tục 24/7. 🛡️ Bảo mật tuyệt đối: Chạy trực tiếp trên máy cục bộ, dữ liệu không gửi về server trung gian
    Downloads: 7 This Week
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  • 7
    Cclite

    Cclite

    Cclite Alternative Currency Software

    .... ============== Community currency for local exchange trading systems (LETS)and other alternative money systems. Multi-registry (group), multi-currency, with inter-registry transactions using web services (SOAP,REST), with rough templates for 17 languages. Various payment interfaces email, SMS, jabber, batch. User manual. Note Cclite is NOT crypto, it's mutual social credit! https://github.com/hbarnard/cclite-android-app this is now also here as: https://sourceforge.net/projects/cclite-android-app
    Downloads: 0 This Week
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  • 8
    Emjysoft Gestion Locative Connector

    Emjysoft Gestion Locative Connector

    Open-source plugin connector for Emjysoft Gestion Locative v22+

    ...KEY FEATURES: - Send rent notices, receipts, and certificates to external systems - Support for HTTP POST (with basic authentication) and EXE integration - JSON-based data format with 128-bit UUIDs - Base64-encoded document content - PHP and Python integration examples included - MIT License - free to use and modify SUPPORTED DOCUMENTS: - Rent calls/notices - Rent receipts - Payment reminders - Rent revisions - Service charge adjustments - Payment schedules - Certificate requests
    Downloads: 0 This Week
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  • 9
    Invoiso

    Invoiso

    Free Invoice & Billing Software for Windows, Linux & Mac

    Free offline invoice software for Windows, Linux and Mac. Create professional PDF invoices, manage clients and products - no internet, no subscription, no account needed. Invoiso is a free, open-source desktop invoicing app for small businesses, shops, and freelancers on Windows and Linux. All data stays on your device — no internet required, ever. Default Login: Username: admin Password: admin You will be prompted to change the password on first login.
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    Downloads: 72 This Week
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  • 10
    Reactorcore's Revshare System

    Reactorcore's Revshare System

    Ultimate Zero-Budget Revshare Solution for Indie Teams

    ...KEY FEATURES: • Smart Payout Calculator - Automated tier-based revenue splits with self-balancing fairness algorithms • Team Management - Track contributors, assign tiers, manage payment info, export credits lists • History & Reports - Complete payout timeline with statistics, export reports as Markdown or CSV • 15 Comprehensive Guides - Covering team infrastructure, recruiting, marketing, business models, IP law, and collaboration culture Web App: https://rc-revshare-system.reactorcoregames.workers.dev/ Source Code: https://github.com/ReactorcoreGames/Reactorcores-Revshare-System
    Downloads: 0 This Week
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  • 11
    uniCenta POS

    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...
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    Downloads: 1,130 This Week
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  • 12
    KhadashPay-Firebase-Edition

    KhadashPay-Firebase-Edition

    KhadashPay is my attempt to build a payment system from scratch.

    KhadashPay is my attempt to build a payment system from scratch. KhadashPay Firebase Edition also incorporates the capabilities of https://sourceforge.net/projects/midbar-firebase-edition/ The official GitHub repository: https://github.com/Northstrix/KhadashPay-Firebase-Edition You can find the tutorial on https://www.instructables.com/DIY-IoT-Payment-System-With-Google-Firebase/ Version of KhadashPay with local storage of data is available on https://sourceforge.net/projects/khadashpay/
    Downloads: 0 This Week
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  • 13
    POSper

    POSper

    Get the new release!

    POSper is a Point Of Sale (POS) System designed for small businesses. We support a wide variety of hardware and databases. We stand committed to the principals of community, collaboration, and communication and welcome everyone who comes by.
    Downloads: 11 This Week
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  • 14
    accountill

    accountill

    Fullstack open source Invoicing application made with MongoDB

    ...Send invoices, receipts, estimates, quotations and bills via email. Generate and send/download pdf invoices, receipts, estimates, quotations and bills via email. Set due date. Automatic status change when payment record is added. Payment history section for each invoice with record about payment date, payment method and extra note.
    Downloads: 0 This Week
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  • 15
    Crater

    Crater

    Free & Open Source Invoice App for Freelancers & Small Businesses

    Crater is an open-source web & mobile invoicing app made especially for freelancers and small businesses. It's the complete invoicing solution you need, allowing you to track expenses and payments, calculate taxes, and create estimates and invoices. As both a web and a mobile app, Crater allows you to manage your invoices and keep track of everything even on the go. Crater's web application is made with Laravel & VueJS, while the mobile apps are built using React Native. Crater is a...
    Downloads: 6 This Week
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  • 16
    AthenaCentral

    AthenaCentral

    Membership management software

    AthenaCentral is used since 2006 by health club chains, fitness centers, gyms and many membership organizations. It offers multilingual, multi-country and multi-center functionality. Its flexibility and power enables you to quickly adapt to environmental as well as organizational changes. The system includes components for integrating additional technologies such as access control (barcode, RFID, fingerprints, ...). It is fully compatible iso20022 (financial information transactions)...
    Downloads: 4 This Week
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  • 17
    Red Cherries Accounting

    Red Cherries Accounting

    Red Cherries Accounting is a web based accounting software solution.

    Red Cherries Accounting is an open source web based (online) financial data management free accounting software written in PHP with MYSQL being database management, for small and medium organizations with important features such as debtor & creditor management, purchases & sales management, proper supplier and customer return management, payment handling, location based accounting facility and comprehensive accounting reports. It also allows to handle excellent organizational data management, organizational services management and comprehensive user roles and user permissions management. Support services available include formal training, cloud server hosting and more advanced support for customization. ...
    Downloads: 1 This Week
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  • 18
    Omnipay

    Omnipay

    A framework agnostic, multi-gateway payment processing library

    ...If you need to change payment gateways you won’t need to rewrite your code. Most official PHP payment gateway libraries are a mess. Most payment gateways have exceptionally poor documentation. So, why use Omnipay instead of a gateway’s official PHP package/example code? Because you are writing a shopping cart and need to support multiple gateways.
    Downloads: 0 This Week
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  • 19
    MinPOS

    MinPOS

    Stability POS software, Free soft develop from Openbravo POS

    Release: v4.02 Welcome to the MinPOS family. MinPOS is Point Of Sale free software licensed. You can use and free update forever. It's developed from Openbravo POS but modified so many. Please see how to install at Wiki Support multi-language (English, France, Vietnam...) Run good: Retail, Market, Restaurant, Hotel, Motel, Karaoke, Nail, Billiard... -------------- In this release (4.02): - Update Mysql script created for all versions of Mysql and Mariadb. - Update JDK 8. -...
    Downloads: 47 This Week
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  • 20
    Bitcoin LITECOIN BCH Payment PHP GATEWAY

    Bitcoin LITECOIN BCH Payment PHP GATEWAY

    Bitcoin BitcoinCash Litecoin DASH BTC Payment API - PHP Wordpress ASP

    1. GoUrl Bitcoin Payment Gateway PHP/MySQL Class. 2. Official GoUrl.io Bitcoin Payment Gateway Plugin for WordPress. * Pay-Per-Product - sell your products online. * Pay-Per-Download - make money on digital file downloads. * Pay-Per-Membership - easy to use website membership system with bitcoin payments. * Pay-Per-View - offer paid access to your premium content/videos for unregistered visitors, no registration needed, anonymous.
    Downloads: 0 This Week
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  • 21

    FrontHrm

    NotrinosERP Human Resource Management Module

    NotrinosERP Human Resource Management Module https://github.com/notrinos/FrontHrm
    Downloads: 0 This Week
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  • 22
    Plisio

    Plisio

    Cryptocurrency Payment Gateway - your payment processor

    Plisio Cryptocurrency Payment Gateway Plisio is a Payment Service Provider (PSP) for merchants accepting crypto. Plisio enables your customers to pay with Bitcoin, Litecoin, Ethereum, Dogecoin, Zcash and 50 other cryptocurrencies. Plisio operates according to the RESTful API standard and provides the following services: payment forwarding, requesting of the current weighted-average exchange rate, receiving a rate for a specified date and currency, and generating a QR-code. ...
    Downloads: 0 This Week
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  • 23
    An application which will calculate how long it will take to pay off a credit card at a given interest rate and payment amount, and how much of what is paid will go toward interest.
    Downloads: 0 This Week
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  • 24
    OpenUnderwriter (Insurance Distribution)

    OpenUnderwriter (Insurance Distribution)

    Feature rich insurance quote & buy system for underwriters and brokers

    OpenUnderwriter is an open source software house specialising in the development of IT solutions for the insurance market. Specialists in the areas of eBusiness and component based development, the team has developed technology for a number of major insurance companies. The OpenUnderwriter platform has been collaboratively developed by some of the best technical brains in the Insurance Industry and offers a viable alternative to traditional solutions. To date, OpenUnderwriter has been...
    Downloads: 1 This Week
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  • 25
    2checkout-inline-checkout

    2checkout-inline-checkout

    Two Checkout blesta payment gateway. Implement inline checkout without

    2checkout-inline-checkout Two Checkout blesta payment gateway. Implement inline checkout without redirection Inline Checkout Inline Checkout is our iframe checkout option which displays a secure payment form as an overlay on your checkout page. It is designed to function when the buyer’s billing/shipping address has been collected and the cart total has been finalized. This makes it ideal for use with shopping cart applications or your own custom checkout process. ...
    Downloads: 1 This Week
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