Discover the best indie invoicing & billing tools built by independent developers. Focused functionality, fair pricing, and real human support.
86 tools · Updated daily · Browse full category →
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.
StockTrack is a lightweight, self-hosted inventory management system built with HTML, PHP, and SQLit
An invoice generator app built using Next.js, Typescript, and Shadcn
Super simple PDF invoicing library for Ruby
Swiss QR Bill generation for Node.js and browsers
Generate beautiful invoices from simple Typst or YAML data records
Manage Factur-X and ZUGFeRD 2.0 PDF invoices in PHP
PDF invoice generator for .NET Core. Create invoices easily, including example CLI.
Python tool to machine read shopping receipt from Lidl Switzerland
See your freelance income and workload before it happens
Self-hosted invoicing without the bloat.
💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave
Invoicerr is a freelance-focused invoicing app that lets you create quotes, generate invoices, track
Extract structured data from PDF invoices
Fab-Manager is the FabLab management solution. It provides a comprehensive, web-based, open-source
A self-hosted open-source application built with CodeIgniter and Bootstrap. Features include electro
Blazing fast, content-based search for visited websites
Popular e-commerce module for Drupal CMS, with support for dozens of payment, shipping, and shopping related modules
Swiss army knife of code time tracking
Smooth photo display and management app
Create and manage invoices in your browser. Serverless Invoices is a free invoicing tool for freelan
Invoice and quotation builder desktop app with PDF export, designed for small businesses and freelan
Self-hosted AI accounting app. LLM analyzer for receipts, invoices, transactions with custom prompts
Python lib for Factur-X, the e-invoicing standard for France and Germany
Tool for creating account credentials for multiple services via JSON
🇪🇺 💶 Generate e-invoices (E-Rechnung in German) conforming to EN16931 (Factur-X/ZUGFeRD, UBL, CII, X
Image hosting and sharing software
Free Accounting Software
Miru | Time Tracking and Invoicing and Employee Benefits. Built using Ruby On Rails and ReactJS
Open source C# e-invoicing library. Enables creating and reading ZUGFeRD invoices.
Pure-python ZUGFeRD implementation
Double-entry accounting & ERP for the web
Sell-Your-Saas is an Open Source solution to automate and sell any Web application as a SaaS service
Replace expensive billing solutions with open-source software. Automate subscriptions, accept multiple payments including crypto, and gain real-time revenue insights.
Web-based multi-user time-tracking application
Docker files for Invoice Ninja
Web-based time-tracking solution
AI-powered image background removal
PDF template created to generate invoices based on props object. Using jsPDF library.