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