A self-hosted open source application for managing your invoices, clients and payments.
Online Accounting Software
Kimai is the #1 open-source time-tracking application. From freelancers to companies and organisations - everyone can manage timesheets, generate reports, create invoices and so much more... Web-based multi-user application, available as On-Premise or SaaS version: https://www.kimai.org
Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.
A source-available invoice, quote, project and time-tracking app built with Laravel
E-invoicing for Laravel: ZUGFeRD/Factur-X, XRechnung, UBL and Peppol BIS based on EN 16931.
All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.
Open Source Invoicing Solution for Individuals & Businesses
Simple and elegant invoicing solution.