DolibarrDolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). It is open source software (written in PHP) and designed for small and medium businesses, foundations and freelancers. You can freely install, use and distribute it as a standalon…
DefterpdeftERP - Jakarta EE (Java EE 7 : JSF, JPA, EJB, CDI, Bean Validation)
InvoicenekoAn Open Sourced Invoice System developed for anyone who needs to generate out an invoice and manage clients
PyafipwsFactura Electrónica AFIP y otros servicios web (proyecto software libre) — Interfases, tools and apps for Argentina's gov't. webservices (soap, com/dll simil-ocx, pdf, dbf, xml, json, etc.) #python
Node Sales Tax💰 International sales tax calculator for Node (offline, but provides optional online VAT number fraud check). Tax rates are kept up-to-date.
Crater MobileCrater Invoice App mobile app built with React Native
OpenpapyrusSophisticated ERP, CRM, Point-Of-Sale, etc. Open source now. This system is developed since 1996.
InvoicenetDeep neural network to extract intelligent information from invoice documents.
Zigzagviewa zigzag view for using for ticket or invoice
MustangprojectOpen Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)
Kimai2Kimai v2 is a web-based multiuser time-tracking application. Free for everyone: freelancers, agencies, companies, organizations - all can track their times, generate invoices and more. SaaS version available at https://www.kimai.cloud
Invoice It📃 Generate your orders or your invoices and export them in html, pdf or buffer easily.
SwissqrbillJava library for Swiss QR bill payment slips (aka QR-Rechnung)
Php E Invoice ItA PHP package for managing italian e-invoice and notice XML formats. (Pacchetto PHP per gestire il formato XML di fatture e notifiche come richiesto dal SdI).
Offline invoicingDesktop invoicing app built with electron. Create Quotes and Invoices. Download PDF or Email directly to your customers.
Php Sdicoop ClientA PHP package for connecting to Italian Exchange System (aka SdI) web services. (Pacchetto PHP per inviare fatture e notifiche ai webservices del SdI).
Url To Pdf ApiWeb page PDF/PNG rendering done right. Self-hosted service for rendering receipts, invoices, or any content.
InvoiceninjaInvoices, Expenses and Tasks built with Laravel and Flutter
Manta🎉 Flexible invoicing desktop app with beautiful & customizable templates.
Invoice增值税发票OCR识别,使用flask微服务架构,识别type:增值税电子普通发票,增值税普通发票,增值税专用发票;识别字段为:发票代码、发票号码、开票日期、校验码、税后金额等
InvoicesGenerate PDF invoices for your customers in laravel
SiwappOnline Invoice Management in Ruby On Rails.
StripeA comprehensive PHP Library for the Stripe.
facturapi-nodeCrea Facturas Electrónicas válidas en México lo más fácil posible (CFDI)
crater-mobileCrater Invoice Mobile to manage your invoices on the go.
billyAn opensource invoicing engine --
invoicedInvoiced Demo app for Rails API and React Foundation
chromic pdfConvenient HTML to PDF/A rendering library for Elixir based on Chrome & Ghostscript
SyliusInvoicePluginA Plugin for Sylius to generate invoices (! deprecated, use sylius/invoicing-plugin instead)
openstamanagerIl software gestionale open source per l'assistenza tecnica e la fatturazione
veryfi-goGo module for communicating with the Veryfi OCR API
konikA library to create, read and validate ZUGFeRD compliant invoices. Available for Java and .NET
arcFullstack open source Invoicing application made with MongoDB, Express, React & Nodejs (MERN)