Finance & Billing
Payment Processing
Payment processors, checkout APIs, and merchant payment infrastructure.
Open-Source Rankings
Ordered by GitHub stars first, then ToolVitals score to break ties between similarly adopted projects.
| # | Tool | Health | Shipping | Stars | Score | Status |
|---|---|---|---|---|---|---|
| 01 | Hyperswitch An open source payments switch written in Rust to make payments fast, reliable and affordable | 94 | 72 | 42.5k | 84 | Active |
| 02 | BTCPay Server Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor. | 89 | 88 | 7.5k | 89 | Active |
| 03 | Flowglad Open source, zero webhooks payment provider | 62 | 38 | 1.7k | 51 | Warning |
| 04 | Paymenter Free and open-source webshop solution for hostings | 73 | 0 | 1.7k | 40 | Warning |
| 05 | Bitcart Bitcart is a free and open-source self-hosted payment processor for BTC, LTC, BCH, XMR, ETH, TRX, USDT and more | 80 | 55 | 930 | 69 | Active |
| 06 | lomi. The open-source payment processing platform powering West African businesses. | 73 | 0 | 30 | 40 | Warning |
Commercial Rankings
Kept separate so commercial tools are ranked on ToolVitals public-product signals without GitHub-star bias.