Free and Open Source Invoicing, Expenses & Time-Tracking
A self-hosted open source application for managing your invoices
Free Desktop book-keeping software for small-businesses & freelancers
The ERP and CRM, multi language, for freelancers
Kimai is a web-based multi-user time-tracking application
Τιμολόγιο δαπάνης Ενόπλων Δυνάμεων
An open source project management platform
Stripe.net is a sync/async .NET 4.6.1+ client
Free admin dashboard template based on Bootstrap 4
The Project Management plugin for WordPress
Super simple PDF invoicing
Laravel Cashier provides an expressive, fluent interface to Stripe
Open-source and free to self-host
Empower your hosting business with FOSSBilling
PDF generation for Dutch UBL and SETU invoices
A library that can help you with generating PDF documents
Open Source Metering and Usage Based Billing API
Telegram Bot API for NodeJS
An accounting program (not released) and a released invoice program.
Thousands of ready to use Apache OpenOffice templates
PHP invoice generator that creates HTML, PDF, DOCX, and PNG invoices.
Creates Invoice & Quotation for Customers
Timesheet module for dolibarr
Easy to use, modern and reliable POS solution.
Take your office and CRM into the cloud!