* [vLLM Semantic Router v0.4.0](https://github.com/vllm-project/semantic-router) – System-level router that routes and manages requests across heterogeneous LLMs with signal-driven decisions, semantic caching, and security. * [vLLM Playground v0.1.9](https://github.com/micytao/vllm-playground) – Modern web interface for managing and interacting with vLLM servers, supporting GPU/CPU modes, macOS Apple Silicon optimizations, and OpenShift/Kubernetes deployment.