01 · Lexora
Ask questions over your documents. The LLM call is the easy part. Auth, jobs, isolation, and retries are the system.
- Python
- FastAPI
- PostgreSQL
- Redis
- 35 tests
Projects
Backend systems and applied AI. Two of the five have write-ups; the rest live on GitHub.
02 · EsenceLab
AI hiring platform: product UX, backend services, resume and job matching.
- TypeScript
- Express
- PostgreSQL
03 · vpnbox
A free VPN for Linux, no accounts and no keys. It watches the volunteer-run VPN Gate relays and ranks what's actually alive by ping and speed. You can narrow the list by country or city. It connects you through OpenVPN with a full tunnel and the DNS handled, all in one stdlib-only Python file.
- Python 3.8+ (stdlib only)
- OpenVPN
- v1.0.0-beta4
04 · HookFlow
Webhooks that never get lost. The system accepts first, persists, then delivers with atomic claims, leases, and dead-letter recovery. Concurrent workers, zero double delivery, verified by test.
- Python
- FastAPI
- PostgreSQL
- Redis
- 79 tests
- ~93% coverage
- 5 CI jobs
05 · neuDB
A tiny database in plain Python. Writes are crash-atomic, files are human-readable, and the scope is stated plainly rather than sold.
- Python
- 32 tests
- CI