Open Source PHP Invoice Software

Entirely web-based. It is coded in efficient PHP to present a very low overhead on hardware presenting screens fast & capable of working over low bandwidth connections. Now with HTML 5 & javascript form validation & table sorting. Mature codebase with a wealth of features: - Multi-currency - Multi-inventory location - Serial and Lot tracking inventory - Full double entry general ledger - Weighted Average or Standard Costing - Manufacturing works orders - Material Requirements Planning - Shipment costing - Contract/job costing - Fixed asset management - Sales Analysis - Expense claims - Can be integrated with an number of 3rd party wikis Particularly suited to wholesale, distribution, manufacturing and now also as the hub for multi-branch retail businesses (with an external deskop POS add-on). Translations into over 20 Languages. Easily modifiable code, written using simple and accessible PHP for ease of maintenance and understanding. Reporting direct to UTF-8 PDF

Invoice Ninja is a free and open source invoicing, expenses and time-tracking app built with Laravel and Flutter. 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.

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 completely free and open source professional invoicing solution. Make the smart choice for managing your budding business's transactions with Crater.

W serwisie ksefapi.pl specjalizujemy się w kompleksowych rozwiązaniach związanych z Krajowym Systemem e-Faktur (KSeF). Oferujemy integrację z KSeF, generowanie i wysyłanie e-faktur w formacie XML, a także wizualizację faktur (PDF lub HTML). Zapewniamy szybką i skuteczną obsługę faktur KSeF, w tym wyszukiwanie i pobieranie faktur sprzedażowych i kosztowych. Pomagamy firmom w adaptacji do nowych regulacji KSeF, oferując narzędzia i wsparcie techniczne. Aktualnie dostępne narzędzia: - Bezpośrednie wywołanie API REST: https://ksefapi.pl/api-test/swagger-ui/index.html#/ - Biblioteki programistyczne PHP, JAVA, .NET: https://ksefapi.pl/pobierz-ksef-php-java-net/ - Pełna i szczegółowa dokumentacja: https://ksef24.com/ - Aplikacja mobilna (wkrótce) - Aplikacja webowa (wkrótce) W zależności od wymagań można wykorzystać nasze narzędzia do komunikacji bezpośrednio ze swojego systemu (On-premise) lub poprzez naszą architekturę (SaaS)

Mutasyon is write with PHP, Smarty, HTML, CSS and JQuery. We can create customer, invoice and products with it and tracking money which input or output. Mutasyon can; 1) Add customer, 2) Create invoice, 3) Add product and product images, 4) See invoice detail and print invoice 5) See product detail, amount, price, tax and profit 6) See money input and output history. And its support multi language and template. Note! Please if you see any problem tell me. Thanks

LinxBooks – Have faith and carry on. Overview LinxBook is a simple and easy-to-use business accounting application. Linxbooks includes basic features that help the businesses create invoices, quotations, manage payments, payrolls, contracts and expenses Download at GitHub: https://github.com/LinxHQ/linxbooks Demo is at: http://linxbooks.com/demo (user: admin, password: admin123)

Keeps track of times entry and expenses reports of employees and contractors by projects and accounts, automatically generates invoices with details. You can print weekly time cards and expense reports by employee, project, and account. It allows you to review and approve times & expenses before generating invoices. This application is ideal for who bills their clients by time and material basis, such as IT consultants, Lawyers, CPAs, Government Contractors etc. Full featured demo site: http://tems.sourceforge.net Play with it from your browser to find out if it will fulfill your requirements, before downloading it.