Uses
The stack
The tools behind four live products — chosen to be boring, cheap, and reliable. A $0 free-tier stack, on purpose: the constraint rules out waste.
Languages & frameworks
- Python
- TypeScript
- FastAPI
- Next.js
- React
- Django
- Tailwind CSS
AI / ML
- LangGraph
- Gemini
- Multi-provider LLM fallback
- pgvector
- embedding retrieval
- XGBoost
- scikit-learn
Data & infrastructure
- PostgreSQL
- Neon
- Redis
- TimescaleDB
- SQLAlchemy
- Docker
Deploy & tooling
- Vercel
- Hugging Face Spaces
- GitHub Actions
- Playwright
- pytest
- ruff
- Shiki