C

currency

exchange rates from multiple platforms

PHP client for the Interledger Protocol (ILP).

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

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