C

currency

SharedRail is an open-source, federated payment infrastructure designed to enable secure, instant, and identity-based value transfer across currencies and borders. Built on a modular architecture with mandatory encryption, KYC, and AI-assisted human intent verification, SharedRail allows users and institutions to send and receive payments using verified email identities while maintaining full transparency, auditability, and compliance through open standards. https://roxanneardary.com/sharedrail/

The core library of the Peso for PHP Framework

A gem that calculates the exchange rate using published rates from open-exchange-rates. Compatible with the money gem.

exchange rates from multiple platforms

PHP client for the Interledger Protocol (ILP).

Rust money library

Lotus Web Wallet for GiveLotus.org, XPI

🇪🇺 Simple, elegant & clean PHP library that validates EU VAT registration numbers against the central ec.europa.eu database (using the official europa API)

Open source trading bot for crypto currencies.

Convertisseur de devises

Simple Bitcoin price tracker script

A money converter built in python

A money converter for the web

This plugin set in Woocommerce multiple addon options.

A library to get currency exchange rates by CentroBank of Russian Federation