billing — independent software & tools

7 independent billing listings the big search engines bury.

• velox

  github · Free · by sagarsuperuser

  Open-source billing engine for AI products — token metering with model × token_type matrix pricing, prepaid commits + drawdown, per-customer margin/COGS. Self-hosted in your VPC.

• grantledger-platform

  github · Free · by dyslexofly

  Manage complex billing workflows with clear rules, reliable processing, and scalable architecture for SaaS platforms.

• frihet-mcp

  github · Free · by Frihet-io

  Official MCP server for Frihet ERP — 157 tools for AI-powered invoicing, tax & e-invoicing compliance (VeriFactu, TicketBAI, Facturae), banking, CRM, HR/payroll & POS. Works with Claude, Cursor, Windsurf, Cline, ChatGPT.

• bancstack

  github · Free · by ganeshkrish85

  🔗 Build AI applications faster with BANC Stack, a starter kit that offers authentication, billing, and real-time data with modern tools pre-configured.

• invoice

  github · Free · by rossaddison

  Professional Open Source E-Invoicing System for PHP (Yii3) with UBL 2.4 and Peppol support

• vatly-fluent-php

  github · Free · by vatly

  Framework-agnostic, fluent and expressive PHP SDK for Vatly billing

• whmazcom

  github · Free · by whmaz

  Official website repository for WHMAZ — Modern web hosting billing & automation platform.