Firefly III: a personal finances manager

A local-first personal finance app

A handy guide to financial support for open source

Online Accounting Software

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

Arbitrary-precision fixed-point decimal numbers in go

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

A sleek webfont featuring your favourite payment methods

🦄 The Enterprise™ programming language

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

Money fields for Django forms and models.

Source code of the recurrent donations platform Liberapay

A money and currency library for PHP

Go implementation of Fowler's Money pattern

🍃 Automate your personal finances – for free, with no ads, and no data collection.