Showing 42 open source projects for "excel billing invoice"

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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. It also accepts payments using credit cards,...
    Downloads: 26 This Week
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  • 2
    Invoice Plane

    Invoice Plane

    A self-hosted open source application for managing your invoices

    InvoicePlane is an open-source invoicing and client management system designed for small businesses and freelancers. It enables users to create, send, and manage invoices and quotes efficiently. The system supports multiple languages, currencies, and tax rates, making it suitable for global use. InvoicePlane also provides detailed financial reporting and client management features.
    Downloads: 4 This Week
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  • 3
    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, standard financial reports and other great features. It's inherently portable and secure, as your data is never uploaded into the Cloud.
    Downloads: 15 This Week
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  • 4
    Laravel Invoices

    Laravel Invoices

    Laravel package to generate PDF invoices from customizable parameters

    Laravel Invoices is a Laravel package for generating invoice PDF files from customizable data. It gives developers a simple interface for creating invoices that can be stored, downloaded, or streamed through configured filesystems. The package supports different templates and locales, making it useful for applications that serve customers in multiple regions. It is designed for business systems, SaaS products, admin panels, and client billing workflows that need invoice output without building the full PDF logic from scratch. ...
    Downloads: 0 This Week
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  • 5
    Laravel Cashier

    Laravel Cashier

    Laravel Cashier provides an expressive, fluent interface to Stripe

    Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services. It handles almost all of the boilerplate subscription billing code you are dreading writing. In addition to basic subscription management, Cashier can handle coupons, swapping subscriptions, subscription "quantities", cancellation grace periods, and even generate invoice PDFs.
    Downloads: 0 This Week
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  • 6
    Lago

    Lago

    Open Source Metering and Usage Based Billing API

    Lago offers a self-hosted and cloud, scalable and modular architecture for metering and usage-based billing, at every stage of your company. Ingest up to 15,000 billing events per second. Lago’s event-based architecture provides a solid foundation for building a fair pricing model that scales with your business. Lago supports all pricing models. Create pay-as-you-go and hybrid plans in no time with our intuitive user interface or API. Create engaging marketing campaigns and increase...
    Downloads: 0 This Week
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  • 7
    FOSSBilling

    FOSSBilling

    Empower your hosting business with FOSSBilling

    FOSSBilling is a free and open-source billing and client management solution tailored for online services businesses, particularly those in the web hosting space. It delivers a suite of tools that automate the creation and delivery of invoices, track payments, manage customer accounts, and handle service provisioning, all from a centralized web interface. Because it’s self-hosted and licensed under the Apache 2.0 license, organizations have full control over their data and can customize or...
    Downloads: 4 This Week
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  • 8
    Stripe.net

    Stripe.net

    Stripe.net is a sync/async .NET 4.6.1+ client

    A .NET library to facilitate Stripe payment integration, supporting a full range of payment and subscription features for .NET applications.
    Downloads: 0 This Week
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  • 9
    Kimai

    Kimai

    Kimai is a web-based multi-user time-tracking application

    Kimai is an open-source time-tracking solution. It tracks work time and prints out a summary of your activities on demand. Yearly, monthly, daily, by the customer, by the project. Its simplicity is its strength. Due to Kimai’s browser-based interface, it runs cross-platform, even on your mobile device. With Kimai, the boring process of feeding Excel spreadsheets with your working hours is not only simplified, it also offers dozens of other exciting features that you don't even know you're...
    Downloads: 1 This Week
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  • 10
    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 for clients when you can use a suitable tool to manage your clients, products, or services, create professional-looking invoices or estimates, and print or email them within seconds? This Custom Billing Server includes bonus open source business applications, and a customer loyalty and referral program to boost your sales while securely hosting your business data locally, and offline if desired. ...
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    Downloads: 1 This Week
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  • 11
    TimeTracker

    TimeTracker

    Open-source and free to self-host

    TimeTracker by DRYTRIX is a comprehensive self-hosted time tracking and project management application that helps individuals, teams, and small businesses take control of their productivity and billing. Built on a modern web stack (Python/Flask backend with a responsive frontend), TimeTracker enables users to track hours, manage projects and clients, visualize data with interactive charts, and even generate professional invoices directly from tracked time. It embraces privacy and flexibility...
    Downloads: 1 This Week
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  • 12
    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: 55 This Week
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  • 13
    Aronium Free Windows Point of Sale

    Aronium Free Windows Point of Sale

    Easy to use, modern and reliable POS solution.

    Speed From setup to selling in a minutes. With modern and simple interface you will be up and running in no-time. Discounts & promotions Keep your loyal customers. With our loyalty module, you can schedule promotions and automatically apply discounts to selected items. Support Have a question? We are here to help. Jump directly to our help center, or drop us a line, send suggestion, or just say Hi! Help is just an email away! Made for Windows Turn your PC into a functional...
    Downloads: 84 This Week
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  • 14
    Audit Data Analytics
    Audit Data Analytics, LLC's ADA software is an open source solution for performing operations on audit data, such as filtering specific records and summarizing data sets.
    Downloads: 3 This Week
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  • 15

    Excel to Tally Import Templates Free

    Excel to Tally Import Templates Free 100%

    * XLTOOL Excel To Tally Data Import Migration Software. * Directly import bulk data to Tally from Excel. * Unlimited import Excel data into Tally. * Unlimited Multi Ledgers, Stocks, Ref. No, Cost Centers, Vat & More in each Voucher. * Import All Vouchers Types and Master Data into Tally. * Import Forex Mutli Currency Vouchers into Tally
    Downloads: 3 This Week
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  • 16

    Applewood Computers Accounting System

    Accounting system for smaller companies written in GnuCobol.

    ACAS contains Sales, Purchase and Nominal Ledgers (Accounts Receivable, Payable and General Ledgers) as well as Stock Control (Inventory Control) along with IRS (Incomplete Records System). This system is written in COBOL and uses the free GnuCobol compiler which compiles via C code and is therefore compatible with the following platforms: Linux, Unix, Dos, Mac OSX, Windows providing you have installed the GCC C compiler or an equivalent as well as GnuCobol. at a minimum, v2.0+. Note that...
    Downloads: 14 This Week
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  • 17
    RosarioSIS

    RosarioSIS

    Student Information System for School Management

    Free Student Information System designed for school management. Modules included: - School Setup - Students (demographics, contacts...) - Grades - Scheduling - Eligibility - Attendance - Accounting - Student Billing - Discipline - Food Service Add-ons like Messaging, Email, Import tools, Quiz, Library modules and much more are available. Manage your school in one web-application powered by PHP/SQL (MySQL or PostgreSQL). RosarioSIS is multilingual and offers Moodle...
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    Downloads: 19 This Week
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  • 18
    InvoiceCreator
    The software "Invoice Creator" is a user-friendly application that allows you to create professional invoices in just one minute and output them as a PDF file. With this software, you can save time and effort by automating the process of invoice creation. "Invoice Creator" is available for Windows, Linux, and MacOS operating systems and can be seamlessly installed and used on any of these operating systems. With this cross-platform support, you can take advantage of this software...
    Downloads: 0 This Week
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  • 19
    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: 7 This Week
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  • 20

    Free Weighbridge Software

    Imagic Solution Easy to Use Windows Based Weighbridge Software

    Imagic Solution Provide Easy to Use Windows Based Weighbridge Software, its Support Win10/Win11/Win7, 32 and 64 Bit both OS. Facility to Create Multi User with Various Authorisation, it will Provide Secure Weighment with Various Facility Like CCTV Image Capture, RFID Reader Integration, Boom Barrier Integration, Traffic Light, PA Sound System, LED display etc... This Software Provide a secure and Fraud-Free-Operation of All Kind Of Weighbridge, its Design to Suitable for all Kind of...
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    Downloads: 66 This Week
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  • 21

    Canteen Calandreta

    Tool to manage canteen, nursery and events registrations of a school.

    This software, developed by the Muret's Calandreta allow to manage canteen and nursery registrations of children of a school (for instance, a Calandreta, bilingual school in Occitania in the South of France). The daily order is send by mail with the number of meals with and without pork for children and teachers. Then, it allow to generate monthly bills of families and record payments. More over, this software allow to manage organization of events (description, dates, registrations,...
    Downloads: 0 This Week
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  • 22
    OpenSourceBilling

    OpenSourceBilling

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

    OpenSourceBilling or OSB is a simple, open source web application for creating and sending invoices, receiving payments, managing clients, and tracking and reporting. 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...
    Downloads: 5 This Week
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  • 23
    Perfect Inventory Manager

    Perfect Inventory Manager

    Manage and maintain inventory of your company, items, sales, orders

    About Inventory Management Software that allows you to manage your invoicing and inventory on site. Update your stock information, make purchases and view sales data from anywhere whether in the office, at home, in the warehouse, or on the go. Manage multiple warehouses with Our Inventory Manager and Advance reports for annual overview chart, stock value chart, Daily and Monthly sales calendar, Custom sale and purchase reports and product alerts. Benefits • Warehouse Management....
    Downloads: 0 This Week
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  • 24
    PHPExcel

    PHPExcel

    Library offering classes to read from and write to spreadsheet formats

    PHPExcel is a comprehensive library for reading, writing, and manipulating Excel spreadsheets in PHP, supporting multiple formats like XLS, XLSX, CSV, and more. Developers can create complex spreadsheets with styled cells, formulas, charts, images, and multiple sheets programmatically. It also supports reading existing files, iterating through cells, applying data validation, and converting between formats. Because it handles the details of Excel file structures—including relationships, themes, and various metadata—users don’t need to manage proprietary file internals themselves. ...
    Downloads: 15 This Week
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  • 25
    FreelancerBooks - Project Management

    FreelancerBooks - Project Management

    FreelancerBooks -Project Management for Freelancers and Agencies

    FreelancerBooks is a free, web-based project management system written in PHP with MySQL database back end. FreelancerBooks was initially designed for freelancers and agencies but it can be used for any professional service provider/organization. It will allow the freelancers/managers to have full control of the projects from client lead to completion. Freelancer book features include: Download the latest version from: http://www.freelancerbooks.com 100% Free Cloud...
    Downloads: 0 This Week
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