PKBoost: Adaptive GBDT for Concept Drift, Built from scratch in Rust, PKBoost manages changing data distributions in fraud detection with a fraud rate of 0.2%. It shows less than 2% degradation under drift. In comparison, XGBoost experiences a 31.8% drop and LightGBM a 42.5% drop

A high-performance, secure HR AI Assistant built in Rust. Uses local RAG to answer queries from internal docs (PDFs/Policies) with zero data leaks. Features blazing fast Axum backend, in-memory USearch vector engine, and secure user authentication (Argon2/JWT). Faster and safer than Python alternatives.