Simple and elegant invoicing solution
Currency data API
ThetaGang is an IBKR bot for collecting money
Open Source Metering and Usage Based Billing API
Firefly III: a personal finances manager
AI-driven, local-first quantitative trading platform for research
A unified API for trading across prediction markets
Fast, privacy-focused personal finance app
Google Sheets Python API
An open source financial switch to make payments fast
Main engine of the IronCalc ecosystem
Investment research for everyone, anywhere
Open-source pricing and billing infrastructure
Open Data, more than 50 financial data
A high-performance algorithmic trading platform
Online Accounting Software
Reference agents, skills, and data for the financial-services
Tool for producing high quality forecasts for time series data
Data science spreadsheet with Python & SQL
Currency exchange rates library
Time series forecasting with PyTorch
Yahoo! Finance market data downloader
A nimble options backtesting library for Python
An automated price tracker that uses bright data
Reverse engineering API