Repository Index

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

• billing
• fintech
• invoices
• payments

Polar — A billing platform for the intelligence era

• fastapi
• nextjs
• python
• typescript

Wallos: Open-source, self-hostable personal subscription tracker. Visualize your recurring expenses, manage your budget, and save money.

• budgeting
• docker
• finance
• php

Open-Source Subscription Billing & Payments Platform

• killbill
• billing
• payments
• subscriptions

Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.

• laravel
• stripe
• billing

A modern SaaS template/boilerplate built with SvelteKit, Tailwind, and Supabase. Includes marketing page, blog, subscriptions, auth, user dashboard, user settings, pricing page, and more.

• cloudflare
• saas
• saas-boilerplate
• saas-tools

A Terminal-style trading dashboard built entirely on free public market data. No API keys, no subscriptions.

Payments for Ruby on Rails apps

• subscription
• stripe
• pay
• engine

PHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.

• payment
• paypal
• stripe
• be2bill

SDK for growing mobile in-app purchases

• ios
• purchases
• iap
• sdk

TranslatedLet any AI trade with your own Binance AI Wallet: instant buy and sell, sniping Agent-exclusive launchpads (Four, Flap, GANG), AI-exclusive Mint, and a local trading page. Binance signs; it never touches your private keys. Free and open source, MIT · Author: Jacke_pp · Contact: X @Jacke_pp (DM)

• agentic-wallet
• ai-agent
• binance
• bsc

Build, Measure and Grow iOS subscription business

• ios
• in-app-purchase
• in-app-purchases
• in-app-receipt

Flare is a lightweight, developer-friendly Swift framework that simplifies working with in-app purchases. It provides a clean, unified API over StoreKit and StoreKit 2, includes async/await-ready workflows, and offers built-in UI components for a seamless integration experience.

• iap
• in-app-purchases
• macos
• swift

The PayPal Server SDK provides integration access to the PayPal REST APIs.

• api-integration
• checkout
• orders
• payments