Showing 84 open source projects for "invoice software"

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  • 1
    Frappe Books

    Frappe Books

    Free Desktop book-keeping software for small-businesses & freelancers

    ...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: 38 This Week
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  • 2
    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: 16 This Week
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  • 3
    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: 1 This Week
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  • 4
    AdminLTE

    AdminLTE

    Free admin dashboard template based on Bootstrap 4

    AdminLTE is a fully responsive administration template. Based on Bootstrap 4.6 framework and also the JS/jQuery plugin. Highly customizable and easy to use. Fits many screen resolutions from small mobile devices to large desktops. AdminLTE.io just opened a new premium templates page. Handpicked to ensure the best quality and the most affordable prices. AdminLTE has been carefully coded with clear comments in all of its JS, SCSS and HTML files. SCSS has been used to increase code...
    Downloads: 34 This Week
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    One Monitoring Tool for IT, OT and Cloud | Free Trial

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  • 5
    Free Invoicing Software for 2025

    Free Invoicing Software for 2025

    Simple Invoicing program for Desktop written in vba and Access

    This is a learning/sample/functional Invoicing program written in vba and MS-Access. It is for a small, or personal, business. It should give you practice in learning/use of Invoicing, and installing on the desktop, and programming in vba and MS-Access. Note that the free MS-Access Runtime is with the download . You need MS-Access if you want to work with the program code or print reports (part of Office 365). The program processes Invoicing and Quotes, and produces reports for A/R,...
    Downloads: 6 This Week
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  • 6
    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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  • 7
    QuestPDF

    QuestPDF

    A library that can help you with generating PDF documents

    Quickly design and generate PDF documents with an open-source, modern, and battle-tested C# library. Forget about limitations, feel confident, enjoy your task and efficiently deliver professional products. QuestPDF is a progressive library that can help you with generating PDF documents in your .NET application by offering a friendly, discoverable and predictable C# fluent API. Do you believe that creating a complete invoice document can take less than 200 lines of code? We have prepared for...
    Downloads: 4 This Week
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  • 8
    Node.js Telegram Bot API

    Node.js Telegram Bot API

    Telegram Bot API for NodeJS

    TelegramBot is an EventEmitter that emits several events. Message, received a new incoming Message of any kind. Depending on the properties of the Message, one of these events may ALSO be emitted, text, audio, document, photo, sticker, video, voice, contact, location, new_chat_members, left_chat_member, new_chat_title, new_chat_photo, delete_chat_photo, group_chat_created, game, pinned_message, poll, dice, migrate_from_chat_id, migrate_to_chat_id, channel_chat_created,...
    Downloads: 1 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.
    Downloads: 192 This Week
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  • 10
    Offline Gym Software

    Offline Gym Software

    A comprehensive, professional-grade gym management software

    Offline Gym software is a comprehensive, professional-grade gym management software designed to streamline operations for fitness clubs, gyms, and health centers. Built with C# and SQL Server LocalDB, it offers a complete solution for managing members, payments, attendance, and administrative tasks with an intuitive user interface. Feature Detail Platform: Windows (Windows 7/10/11) Framework: .NET Framework 4.8 Database: SQL Server LocalDB (No external SQL Server required) UI...
    Downloads: 9 This Week
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  • 11
    Digital Signer (a PDF Signing software)

    Digital Signer (a PDF Signing software)

    Sign PDF with Digital Signature Software. Batch PDF Sign. DSC Signer.

    Digital Signer is a powerful and user-friendly software designed to secure and sign your digital documents with ease. Ideal for Tender filling, individuals, businesses, and professionals, this software ensures that your sensitive documents are protected from unauthorized editing and tampering, maintaining their integrity and authenticity. Key Features Sign PDFs with Hardware Devices: Ensuring the highest level of security. Digital Signature Certificates (DSC): Apply digital...
    Downloads: 82 This Week
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  • 12

    vergifac

    Billing software Logiciel de Facturation

    Vergifac captures, archive and print invoice type documents (quotes, orders, etc.). The final document is saved in a PDF file format universally used which has the advantage of being printed as such by all printers and to be easily attached to an email. Document layout is fully customizable. The program includes a management client or third parties' as well as management 'products or services' storing the information necessary for easy billing. Vergifac permet de saisir, d'archiver et...
    Downloads: 0 This Week
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  • 13
    BUS Core

    BUS Core

    Local-first manufacturing operations software for small shops.

    BUS Core is free, open-source manufacturing operations software for small shops that need stronger records without enterprise ERP overhead. It connects inventory, materials, recipes, production runs, jobs, invoices, vendors, and actual cost in one local operating record. Self-managed BUS Core runs locally on Windows or through Docker, uses portable SQLite data, requires no hosted account or subscription, and remains usable without a required cloud connection. It supports FIFO batch costing,...
    Downloads: 47 This Week
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  • 14
    Financial Calculator

    Financial Calculator

    Windows 11 only — includes 16 sections with text and visual reports.

    Take control of your finances with Financial Calculator 8.0, a professional yet easy-to-use desktop tool built for precise, everyday financial calculations. From planning loans and estimating taxes to generating invoices and creating QR codes, this all-in-one software offers 16 specialized sections that make your daily financial and business tasks faster, clearer, and more accurate. Whether you’re a student, small business owner, or finance professional, Financial Calculator brings professional-grade precision to your desktop—no installation required. Perform calculations for Bank, Barcode, Building, Buy & Sell, Commodity, Dividing Money, Inflation, Interest, Internet Usage, Invoice, Loan, Password, Phone, QR Code, Stock Market, and Tax.
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    Downloads: 10 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. * Import Single Debit / Credit Vouchers Entry
    Downloads: 11 This Week
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  • 16
    footswitch2

    footswitch2

    Audio Transcription software for Linux (Vlc) with a foot pedal

    Footswitch 2 is a media player for transcribers on Linux. Written in python and using the python bindings for VLC it allows a transcriber to control the audio or video with a USB footpedal, and includes a set of macros that integrate into LibreOffice. This allows the transcriber to control the media player from within Libreoffice as well, making it useful for those who do not yet own a footpedal/footswitch. Control of the media player from LibreOffice can be via Hotkeys or an integrated...
    Downloads: 5 This Week
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  • 17
    Financial Calculator (Linux)

    Financial Calculator (Linux)

    Professional financial tools: 16 sections with text and visual reports

    Take control of your finances with Financial Calculator 8.0, a professional yet easy-to-use desktop tool built for precise, everyday financial calculations. From planning loans and estimating taxes to generating invoices and creating QR codes, this all-in-one software offers 16 specialized sections that make your daily financial and business tasks faster, clearer, and more accurate. Whether you’re a student, small business owner, or finance professional, Financial Calculator brings professional-grade precision to your desktop—no installation required. Perform calculations for Bank, Barcode, Building, Buy & Sell, Commodity, Dividing Money, Inflation, Interest, Internet Usage, Invoice, Loan, Password, Phone, QR Code, Stock Market, and Tax.
    Downloads: 0 This Week
    Last Update:
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  • 18
    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: 0 This Week
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  • 19
    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: 5 This Week
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  • 20

    SalesOrders

    Creates Invoice & Quotation for Customers

    This is a customized software specifically developed for small businesses (for B2B). This is useful to generate Invoices/Quotations for customers on a weekly/daily basis. It uses Microsoft excel to use as Master database and creates invoices in excel workbook.
    Downloads: 0 This Week
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  • 21
    Invoice

    Invoice

    Command line invoice generator

    Invoice is a command-line application for generating professional invoices as PDF files. Users can specify sender and recipient information, line items, quantities, rates, taxes, discounts, and notes directly through terminal options. The generated PDF can be saved to a custom output location. Frequently reused business information can be stored in environment variables to reduce repetitive input. Invoice data can also be defined in JSON or YAML configuration files and imported during...
    Downloads: 13 This Week
    Last Update:
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  • 22
    Vali Admin

    Vali Admin

    Free Bootstrap 4 admin/dashboard template

    Vali is a free, modular and easy-to-customize admin theme built using Bootstrap 4, SASS and Pug.js. Includes seven pre-built pages including login, user profile, and print-friendly invoice page. Run a npm install command in the project root directory to install and build dependencies. If you don't want to edit the theme you can use the compiled files inside the docs folder. Use npm run dev command to watch and compile source files. Use npm run build command to compile all source files. Use...
    Downloads: 1 This Week
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  • 23
    Open Source ERP
    ...In addition to customer, order, invoice management, etc... the ERP has a complete warehouse management including a order management for material in the warehouse.
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    Downloads: 7 This Week
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  • 24
    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.
    Downloads: 1 This Week
    Last Update:
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  • 25
    footswitch3

    footswitch3

    Audio Transcription software for Linux (Gstreamer) with a foot pedal

    Footswitch 3 is a media player for transcribers on Linux. Written in python using the python bindings for Gstreamer it allows a transcriber to control the audio or video with a foot pedal, and includes a set of macros that integrate into LibreOffice. This allows the transcriber to control the media player from within Libreoffice as well, making it useful for those who do not yet own a foot pedal/foot switch. Control of the media player from LibreOffice can be via Hotkeys or an integrated...
    Downloads: 2 This Week
    Last Update:
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