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
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
Open Source Metering and Usage Based Billing API
PDF generation for Dutch UBL and SETU invoices
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.
Take your office and CRM into the cloud!
Accounting & Best Practice Business Administration System