Get a grip on your finances
Firefly III: a personal finances manager
A nimble options backtesting library for Python
Javascript plugin to create web-based tables & spreadsheets
Personal finance transaction tracker similar to the obsolete MS Money
Personal Budget Tracker — Simple Expense Logger
A standalone, portable Ada package for producing Excel spreadsheets
A lightweight personal finance app hosted by yourself.
Bitcoin Alts portfolio tracker, email / text / alexa / telegram alerts
Simple budget manager for your needs.
Small, fast Java library for reading and writing CSV files