Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
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Polar — A billing platform for the intelligence era
Online Accounting Software
- php
- laravel
- accounting
- invoices
Ever® Gauzy™ - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co
- hr
- salary
- accounting
- expenses
Open-Source Subscription Billing & Payments Platform
- killbill
- billing
- payments
- subscriptions
A self-hosted open source application for managing your invoices, clients and payments.
- php
- invoices
- invoicing
- open-source
AWS Usage Tool
- aws-billing
- ice
- cost
- aws
Deep neural network to extract intelligent information from invoice documents.
- invoice
- invoice-management
- invoices
- invoice-insight
Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
Open-source ETL/ELT you deploy on your own servers or cloud. Built on DuckDB: no-code/low-code visual pipelines or SQL, 385 components, dbt, CDC, data quality, reverse ETL, lineage, MCP for AI agents. No vendor cloud, no per-row billing.
- data-engineering
- data-integration
- data-pipeline
- data-quality
💰 Billing & Payments knowledge for cloud platforms
- billing
- cost-management
- metering
- fraud
All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.
- crm
- ticketing-system
- ticket-management
- accounting
Simple and elegant invoicing solution.
Modern & private time tracking for macOS & Windows. No cloud, no registration, no paywall. Just download and track your work hours 100% offline.
Finala is an open-source resource cloud scanner that analyzes, discloses, presents and notifies about wasteful and unused resources.
Double-entry accounting & ERP for the web
- postgresql
- accounting
- billing
- web-app
A complete payment library for Elixir and Phoenix Framework
- elixir
- payment
- gringotts
- payment-gateway
Powerful open-source CLI to audit security, costs, and best practices in AWS. 🩺 ☁️
- aws
- aws-billing
- aws-cli
- aws-cost-explorer
推量牛 BullFlow — 开源企业级 RAG 解决方案：从企业知识库、营销内容自动化生产到全域内容分发 | Open-source enterprise RAG solution: knowledge base → automated marketing content → omnichannel publishing. 知识库全链路本地开源模型，无需付费模型；AI Agent 创作图文 / 图片 / 视频，一键发布抖音、小红书、公众号、LinkedIn、YouTube 等 17 个平台。Commercial-grade, multi-tenant, billing & admin built in. MIT
- ai-agents
- bge-m3
- content-generation
- elasticsearch
Rails 8 app template: Devise auth, Stripe billing, Tailwind CSS, admin panel, SEO helpers, etc
- mvp-template
- rails-template
- ruby-on-rails-template
- rails
Ultra-fast token & cost tracker for LLM Token Usage (e.g. Claude Code)
A payment processing library for Elixir
:money_with_wings: PayPal REST API client for the Elixir language (elixir-lang)