A local-first personal finance app

Firefly III: a personal finances manager

Automate the process of making money online.

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

ThetaGang is an IBKR bot for collecting money

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

A lightweight, self-hosted personal finance app with a user-friendly interface and powerful bookkeeping features.

Source code of the recurrent donations platform Liberapay

A money and currency library for PHP

Go implementation of Fowler's Money pattern

Money fields for Django forms and models.

🦄 The Enterprise™ programming language