Showing 51 open source projects for "invoicing"

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  • 1
    Invoice Ninja

    Invoice Ninja

    Free and Open Source Invoicing, Expenses & Time-Tracking

    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.
    Downloads: 4 This Week
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  • 2
    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.
    Downloads: 5 This Week
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  • 3
    Meteroid

    Meteroid

    Open-source pricing and billing infrastructure

    ...The system is written in Rust, emphasizing performance, reliability, and safety, making it suitable for production use in small startups up to large enterprises. Meteroid handles complexities like plan versioning, usage-based billing, re-invoicing, grandfathering of plans, experiments, and cost limiting — giving teams a robust billing backend without building one from scratch.
    Downloads: 0 This Week
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  • 4
    Frappe Books

    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,...
    Downloads: 29 This Week
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    Akaunting

    Akaunting

    Free and Online Accounting Software

    From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free. That's right, completely free. There is no limited or trial version. No hidden charges or setup fees. See your financials online anytime, anywhere on your computer, tablet or phone. We're disrupting the closed-source dominated market and introducing the power of Open Source to accounting world.
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    Downloads: 36 This Week
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  • 6
    Odoo

    Odoo

    Open-source business management software

    Odoo 18 is a comprehensive open-source business management software that offers a suite of integrated applications to streamline various organizational processes. Designed for flexibility and scalability, it provides tools for managing functions like sales, inventory, accounting, human resources, and customer relationships. Odoo's modular structure allows businesses to adopt only the features they need while maintaining the option to expand functionality as they grow. The open-source version...
    Downloads: 542 This Week
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  • 7
    Dolibarr ERP - CRM

    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. ...
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    Downloads: 3,336 This Week
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  • 8
    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.
    Downloads: 93 This Week
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  • 9
    Custom Billing Server

    Custom Billing Server

    Linux-Based Billing And Business Application Server For FREE use.

    Do you offer services or tangible products that can not be scanned for invoicing? Are you still creating your invoices and quotes on paper, or via Word/Excel etc? They say in business that, TIME IS MONEY! So why spend a lot of time creating invoices or estimates, when you can use a suitable tool to manage your clients, products, services or subscriptions, create professional-looking invoices or estimates, and print or email them within seconds?
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    Downloads: 0 This Week
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  • 10
    Stansoft

    Stansoft

    Accounting, invoicing, inventory and payroll software for Linux

    Stansoft is a Linux financial accounting software system for business. It is designed for data entry efficiency with an ncurses text-based terminal user interface. Developed using Aubit4GL / Informix 4GL with a PostgreSQL or Informix database engine. Demonstration videos can be found on the YouTube channel at https://www.youtube.com/@standardsoftware.
    Downloads: 2 This Week
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  • 11
    Tartan Systems

    Tartan Systems

    Free Open Source Accounting and Club Systems

    ...The modules comprise the following: Asset's Register Book Clubs (Member and Book Register) Booking's Manager (Resorts and B&B's) Bowls Clubs (Lawn Bowls Tabs Draws and Competitions) Bowls Sectional Competitions (Lawn Bowls) Creditor's Ledger (Accounts Payable) Debtor's Ledger (Accounts Receivable) General Ledger (Nominal Ledger) Loans Ledger (Fixed and Variable Term Loans) Member's Ledger (Sports and Other Clubs) Rental's Ledger (Property and Collection) Salaries and Wages - ZA (Includes Staff Loans) Sales Invoicing (Includes Sales Orders, Quotations and Works Orders) Store's Ledger (Inventory)
    Downloads: 1 This Week
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  • 12
    Kimai - Time Tracking Software

    Kimai - Time Tracking Software

    Time-Tracking for companies and teams with up to 250+ users

    Kimai is web based software that tracks work time, and classifies it. It tracks time and prints out a summary of your activities on demand. Yearly, monthly, daily, by customer, by project, by action. FETCH THE LATEST DOWNLOAD FROM GITHUB: https://github.com/kimai/kimai/releases Record expenses and print customizable invoices in different formats. For further information visit: - https://www.kimai.org - https://www.kimai.cloud - https://github.com/kimai/kimai
    Downloads: 1 This Week
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  • 13
    FormaVid

    FormaVid

    Small Business Appliance

    The FormaVid Small Business Appliance https://formavid.org is designed to integrate a content management system (CMS), an issues tracker and an invoicing application into a single, well constructed, offering. It is an excellent starting point for any developer(s) wishing to support the CMS or any of the other components, including the appliance itself. All components are stable, open source and well supported. The appliance is built using scripts so no hidden "monkey business" and you can choose a "compatible base distro" based on your needs: familiarity; performance; security; usability; etc. ...
    Downloads: 0 This Week
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  • 14
    accountill

    accountill

    Fullstack open source Invoicing application made with MongoDB

    This is a side project I've been working on. A full stack invoicing application made using the MERN stack (MongoDB, Express, React & Nodejs), specially designed for freelancers and small businesses, but can be used for almost any type of business need. With this application, you can send beautiful invoices, receipts, estimates, quotes, bills etc to your clients. Jump right off the Live App and start sending invoice or download the entire Source code and run it on your server.
    Downloads: 0 This Week
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  • 15
    Crater

    Crater

    Free & Open Source Invoice App for Freelancers & Small Businesses

    ...Crater is a completely free and open source professional invoicing solution. Make the smart choice for managing your budding business's transactions with Crater.
    Downloads: 11 This Week
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  • 16
    SimpleInvoicer 2.0

    SimpleInvoicer 2.0

    Desktop and mobile solution for invoicing

    New release with new modules and features: dunning system, managment of items/products/services, autocompletion of ALL text elements! Check out more: https://sourceforge.net/p/simpleinvoicer/wiki/Home/ SimpleInvoicer is a free and simple desktop program for invoicing. It's easy to use. You just want to write invoices and you don't like the hassle with too much administration? Then SimpleInvoicer is the right solution for small businesses! NOW with integrated management of payments and dunnings! You draft your invoices remote on your phone and complete the details later at your office? Then complete SimpleInvoicer desktop by SimpleInvoicer mobile. ...
    Downloads: 1 This Week
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  • 17
    OpenSourceBilling

    OpenSourceBilling

    A super simple way to create & send invoices, receive payments online

    ...There’s no need to pay for these services because OSB does it all for free and easily. OSB can produce reports of sales, payments and collected revenues, and simply makes billing and invoicing hassle-free. OSB comes with plenty of built-in features, such as recurring invoices, exporting to PDF, time tracking, receiving payments through Paypal and credit card, Freshbooks and Quickbooks data importing and more. It also supports several different languages as well as currencies.
    Downloads: 3 This Week
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  • 18
    GnuAccounting

    GnuAccounting

    Cross-plattform java invoicing and accounting application

    An open-source java accounting application that integrates OpenOffice, Apache Derby and HBCI/FinTS to create and manage invoices, credit memos, delivery notes, bills etc. Imports from kTimeTracker, Task Coach, VCF, Hibiscus, Moneyplex, Starmoney, exports to Winston, VCF, openTrans et. al.
    Downloads: 1 This Week
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  • 19
    PyGtk Posting

    PyGtk Posting

    Accounting for Linux

    An accounting software written in Python and Gtk+ 3 with a backend of Postgresql. A free and open source alternative to Quickbooks and Peachtree. This software is usable but needs to be fleshed out.
    Downloads: 0 This Week
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  • 20
    cg-invoice

    cg-invoice

    Invoice and office utilities program for customer managment

    cg-invoice is a HTML5, Bootstrap, PDO simple yet productive way to write invoices and then retrieve the client data in more than one way. Invoicing invoices from anywhere online. View table or you can reprint the invoice as it was originally written. Business management for quotes or estimates. Contacts and vendors listing tabs for easy search. Office or personal tools to track customers, inventory, mailing lists, company phone numbers with a scheduler calendar included.
    Downloads: 1 This Week
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  • 21
    Servicebot

    Servicebot

    Open-source subscription management & billing automation system

    Servicebot is an open-source billing and subscription management platform built for SaaS applications. It integrates with Stripe to handle user signup, plan management, invoicing, and metered billing. Servicebot provides embeddable UI components and a backend API, allowing developers to easily add pricing and billing functionality without building it from scratch.
    Downloads: 1 This Week
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  • 22
    Invoicex
    Programma per gestione fatture,ddt,clienti e pagamenti. Indirizzato a piccole imprese e liberi professionisti. Invoicex is an invoicing software for freelance/individuals/small organizations. Made for italian needs.
    Downloads: 2 This Week
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  • 23
    LedgerSMB

    LedgerSMB

    Building High Quality ERP and Accounting Software for SMB & SME

    LedgerSMB is an ERP, featuring accounting (including AR, AP, and GL), quotation and order management, and more, for businesses with small to medium transaction volumes. The system has been shown to easily handle thousands of AR/AP transactions per week. Data integrity, security, quality, and responsiveness are key values for our community, both among the developers and, we hope, the users. Additionally we aim to make LedgerSMB into a platform to integrate with, or even serve as a...
    Downloads: 1 This Week
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  • 24
    Pearl MIS

    Pearl MIS

    A fully functional ERP suitable for institution of any size

    Pearl MIS, is a fully functional ERP suitable for institutions of any size. Fully web-based, it provides functionality in various modules including inventory, invoicing, warehouse, accounting, among others.
    Downloads: 0 This Week
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  • 25
    Fakturama - Invoicing Made Easy

    Fakturama - Invoicing Made Easy

    The Open Source Invoice Management Software

    Fakturama is an open-source software solution designed for enterprises for creating invoices, as well as delivery notes, while managing and editing your online web shop. Fakturama was especially created in order to provide a comprehensive invoicing program that is compatible with office suites used worldwide, like LibreOffice and Apache OpenOffice. Fakturama makes it easy to create invoices, manage products, contacts, documents, payments, shippings, VATs and all the other constituents of a web shop.
    Downloads: 20 This Week
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