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
The Project Management plugin for WordPress
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
Laravel Cashier provides an expressive, fluent interface to Stripe
Super simple PDF invoicing
Open-source and free to self-host
PDF generation for Dutch UBL and SETU invoices
Open Source Metering and Usage Based Billing API
Empower your hosting business with FOSSBilling
A library that can help you with generating PDF documents
Telegram Bot API for NodeJS
An accounting program (not released) and a released invoice program.
Free Invoice & Billing Software for Windows, Linux & Mac
Thousands of ready to use Apache OpenOffice templates
Timesheet module for dolibarr
Easy to use, modern and reliable POS solution.
Simple Invoicing program for Desktop written in vba and Access
Take your office and CRM into the cloud!