Firefly III: a personal finances manager

A local-first personal finance app

Online Accounting Software

A handy guide to financial support for open source

Arbitrary-precision fixed-point decimal numbers in Go

Create, calculate, and format money in JavaScript and TypeScript.

PHP implementation of Fowler's Money pattern.

A curated list of all the open-source internships/Programs

A javascript library for handling currencies

A Ruby Library for dealing with money and currency conversion.

A foreign exchange rates and currency conversion API

Automate the process of making money online.

ThetaGang is an IBKR bot for collecting money

Money Manager Ex is an easy to use, money management application built with wxWidgets

Go implementation of Fowler's Money pattern

Money fields for Django forms and models.

A money and currency library for PHP

Source code of the recurrent donations platform Liberapay

🦄 The Enterprise™ programming language

A sleek webfont featuring your favourite payment methods