A simple but powerful self-hosted finance tracker
Currency data API
A nimble options backtesting library for Python
Javascript plugin to create web-based tables & spreadsheets
A Ruby Library for dealing with money and currency conversion
Personal and small-business finance manager
Accounting & Best Practice Business Administration System
Free, easy, personal accounting for everyone
Personal finance transaction tracker similar to the obsolete MS Money
Great Open Source Plugins For iDempiere ERP Project
Financial Derivatives Calculator with 171+ Models (Options Calculator)
Personal finance app to keep track of cash, income, expense and budget
The most simple, flexible, and comprehensive OpenAI Gym trading
C++ library for creating XLSX files for MS Excel 2007 and above.
A javascript library for handling currencies
Personal Finance and Accounting
Feature rich insurance quote & buy system for underwriters and brokers
Create and print simple invoices
Invoice and office utilities program for customer managment
Ledger records using PHP and MySQL as a backend.
Simple budget manager for your needs.
Equation of stock trading simplified to game of moving resizing balls