SuiteCRM - Open source CRM for the world

General Ledger and Journal Accounting Package and API for Laravel

OpenMVM is an open-source multi-vendor e-commerce marketplace platform.

From Berlin to Germany and Europe - an open source CRM Solution mainly for small and medium-sized businesses: Visit https://www.berlicrm.de/

Experimental personal budget calculator

Multi-currency keyless wallet

API for the multi-currency Kauri Wallet

Secure C++ banking system with encrypted authentication, multi-currency support, and robust transaction processing

Drupal 8 Commerce multi currency module

A BIP-44 multi crypto currency llibrary

Economy system for MineCraft servers, with multi-platform, multi-currency and data-sync supported, aims to build the next generation of new economic system.

Espresso Wallet - A free and open source multi currency wallet PWA

Fixed-point multi-currency types for Postgres (contrib module)

This Tradexchange provides fast currency exchanges using real-time rates. Ideal for personal and business use, it supports multiple currencies and delivers instant conversion results. Perfect for managing finances or making international transactions.