Self-hosted OpenAI-compatible proxy that aggregates the free tiers of
fourteen LLM providers — Google, Groq, Cerebras, SambaNova, NVIDIA,
Mistral, OpenRouter, GitHub Models, Hugging Face, Cohere, Cloudflare,
Zhipu, Moonshot, MiniMax — behind a single /v1/chat/completions endpoint.

Server:
- Express + SQLite, per-provider adapters with streaming and non-streaming
  support, automatic fallover on 429/5xx, per-key RPM/RPD/TPM/TPD tracking,
  sticky sessions for multi-turn, AES-256-GCM encrypted key storage,
  unified bearer-token auth, periodic health checks.

Client:
- React + Vite + shadcn/ui admin dashboard: keys, fallback chain (drag
  to reorder, color-coded per-provider monthly token budget), playground,
  analytics with per-provider breakdowns.

Tooling:
- GitHub Actions CI (server tests + client build), MIT license,
  README with provider-by-provider ToS review.

For personal experimentation, not production.