Open-source Zi Wei Dou Shu (purple star astrology) chart-calculation engine with a TypeScript implementation, plus large chart-reading datasets.
Scrapes Google Maps listings for business name, address, phone, website, rating, reviews, coordinates, and emails via CLI, Web UI, or REST API.
Open-source AI-oriented quantitative investment platform covering data, strategy research, backtesting, simulated and live trading.
Unified analytics engine for large-scale data processing with APIs in Scala, Java, Python, and R.
Open-source system where LLMs autonomously generate research ideas, run experiments, and write full scientific papers.
A self-hosted A-share quant workbench for building strategies, monitoring, backtesting, and LLM-assisted analysis, packaged as one Docker container.
An end-to-end open source platform for building and deploying machine learning models, with Python and C++ APIs.
Python library providing GPU-accelerated tensor computation like NumPy, plus a tape-based autograd system for building deep neural networks.