Showing 50 open source projects for "java open source"

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    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

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  • 1
    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.
    Downloads: 32 This Week
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  • 2
    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: 32 This Week
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  • 3
    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 missing so far! ...
    Downloads: 1 This Week
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  • 4
    Open Source ERP
    The Open Source ERP is a web based. The ERP server software runs on Linux. The ERP need no plugins in the browser on the client computer. The ERP can be accessed from any where with out effort. Be it at home with your home computer (Windows, Linux, MAC OS X), or traveling with your smart phone (iPhone, iPad, Android), or in the office, the data is always at hand.
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    Downloads: 35 This Week
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  • Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution Icon
    Reach Your Audience with Rise Vision, the #1 Cloud Digital Signage Software Solution

    K-12 Schools, Higher Education, Businesses, Restaurants

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  • 5
    Τιμολόγιο ΕΔ

    Τιμολόγιο ΕΔ

    Τιμολόγιο δαπάνης Ενόπλων Δυνάμεων

    Υπολογίζει τα στοιχεία ενός τιμολογίου δαπάνης Ενόπλων Δυνάμεων με βάση τα δεδομένα που είναι το ποσό (καθαρής αξίας, πληρωτέου ή καταλογιστέου) καθώς και τα ποσοστά ΦΠΑ, ΦΕ και κρατήσεων. Για κάποιον που δεν είναι εξοικειωμένος με τα ποσοστά ΦΕ και κρατήσεων, υπάρχει οδηγός που τα ρυθμίζει αυτόματα, με βάση κάποιες απλές ερωτήσεις.
    Downloads: 2 This Week
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  • 6
    Group Office groupware and CRM

    Group Office groupware and CRM

    Take your office and CRM into the cloud!

    ...You can stay in full control of your data by self hosting your cloud and e-mail. Our document editing solution keeps all data on the secured server instead of synchronising it to all user devices. GroupOffice is open source and modular. Which means it’s easy to customise and extend. You can turn off and on features and it enables any developer to create new modules for the platform.
    Downloads: 95 This Week
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  • 7
    webERP Accounting & Business Management

    webERP Accounting & Business Management

    Accounting & Best Practice Business Administration System

    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...
    Downloads: 62 This Week
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  • 8

    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: 20 This Week
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  • 9

    Dolibarr timesheet

    Timesheet module for dolibarr

    Module to enable a Timesheet view for project in Dolibarr Dolibarr on Sourceforge : https://sourceforge.net/projects/dolibarr/
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    Downloads: 9 This Week
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 10
    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: 10 This Week
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  • 11
    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: 7 This Week
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  • 12

    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: 3 This Week
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  • 13
    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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  • 14
    FormaVid

    FormaVid

    Small Business Appliance

    ...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. Please see https://sourceforge.net/p/formavid/code/ci/master/tree/INSTALL.txt for details. The appliance is specially designed to run on the Google Cloud Platform "Free Tier" https://formavid.org/gce and has it's own custom install script https://sourceforge.net/projects/formavid/files/gcloud-gce-deployment/download with instructions https://sourceforge.net/projects/formavid/files/ provided.
    Downloads: 0 This Week
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  • 15
    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. This project is...
    Downloads: 1 This Week
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  • 16
    Crater

    Crater

    Free & Open Source Invoice App for Freelancers & Small Businesses

    ...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.
    Downloads: 6 This Week
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  • 17
    Flarepoint

    Flarepoint

    Open-source and self-hosted CRM platform based on Laravel 5

    Flarepoint is a free and open source customer relationship management system (CRM) to help you keep track of your customers, contacts, tasks and more. It is a self-hosted platform based on Laravel 5.4 PHP Framework and PHP 7.0+. Flarepoint is capable of simple invoice management, tasks and leads management, time management and so much more to help you become more organized and efficient.
    Downloads: 0 This Week
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  • 18
    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.
    Downloads: 2 This Week
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  • 19
    wkhtmltopdf

    wkhtmltopdf

    Convert HTML to PDF using Webkit (QtWebKit)

    wkhtmltopdf and wkhtmltoimage are open source (LGPLv3) command line tools to render HTML into PDF and various image formats using the Qt WebKit rendering engine. These run entirely "headless" and do not require a display or display service. There is also a C library, if you're into that kind of thing. The file pdf.h contains a fairly high level and stable pure c binding to wkhtmltopdf.
    Downloads: 109 This Week
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  • 20

    EasyInvoice

    Create and print simple invoices

    Create simple invoices and print or store them as PDF in a nice layout with an open source application which runs OS independent (if Java is installed on your machine) For new versions please look at: https://github.com/cpo1964/easyInvoice
    Downloads: 0 This Week
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  • 21
    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. Scripts written...
    Downloads: 0 This Week
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  • 22
    this inventory is developed using python3.2 tkinter, and sqlite3. you can make invoices for a shop using this software. you need python3.2 to run this. no more modules are required since tkinter and sqlite3 were in python3.2 windows package.
    Downloads: 0 This Week
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  • 23
    Excel Invoice

    Excel Invoice

    Excel Invoice windows desktop app template

    The Invoice template enables you to manage your client details, Product/Service details, Multiples V.A.T rates and Discounts. Besides making Invoices, it will generate a summary of your debtors/accounts receivable and you can also generate Account Statements for your clients.
    Downloads: 1 This Week
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  • 24

    Invoice With Roshi

    Offline invoicing tool updated with latest GST rules

    A simple easy to use tool where you can create invoices and store locally. The software is 100% offline, that is, it does not need the internet to work (although you do need the internet during setup).
    Downloads: 0 This Week
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  • 25
    ROSInE

    ROSInE

    Open Source Invoice Programm for Egroupware

    Please use the new git repository on github: https://github.com/sneakyx/rosine See also full docker image under: https://hub.docker.com/r/sneaky/egroupware-extended/ This is a fork of php Rechnung also known as PHP Invoice by (Edy Corak). It fits neatly in Egroupware and uses the Egroupware address book (no secondary addressbook nessesary). You can write invoices and offers and can also manage articles.
    Downloads: 0 This Week
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