Discover 86+ indie Invoicing & Billing tools built by independent makers. Open-source and bootstrapped alternatives with install commands and compatibility data.
Free invoicing, expenses, and time-tracking for freelancers
Simple invoicing REST API send JSON, get a PDF
Zero-maintenance invoicing that generates beautiful invoices automatically
A Python-based tool to generate professional invoices and quotations with PDF export, MySQL storage,
CodeIgniter 4 Auto API Generator - Instantly create production-ready RESTful APIs from your database
Open-source metering and usage-based billing.
Open-source invoicing app for freelancers.
Open-source HR management software for growing teams.
Open-source ERP with full HR and payroll modules.
Open-source accounting software for small businesses.
Open-source ERP with accounting, inventory, and HR modules.
Open-source invoicing application for freelancers.