Open source. Open possibilities.

OpenAI-compatible proxy for Gemini Web API using cookie-based auth. Supports streaming, tool calling, and multiple models without API keys.

OmniRoute is an open-source MIT-licensed AI gateway providing one unified endpoint to access 352+ AI providers and 1200+ models (150+ free tiers). It features quota-aware auto-fallback, token compression saving 15–95%, and integrates with Claude Code, Cursor, Cline, and other coding agents.

A production-grade, OpenAI-compatible smart LLM router and fallback proxy that optimizes costs by routing simple queries to Small Language Models (SLMs) and complex ones to frontier models.

LiteLLM is an open-source AI Gateway and Python SDK that provides a unified OpenAI-compatible interface for calling over 100 different LLM providers.

A local OpenAI-compatible API gateway supporting multi-provider routing, circuit breaking, Chinese error prompts, a visual management panel, and native desktop application delivery.

A lightweight local API proxy that reduces LLM API costs by compressing chat history, removing redundant code, and implementing semantic caching.

Kong Gateway is a cloud-native, platform-agnostic API, LLM and MCP gateway with plugin-based extensibility, routing, load balancing, authentication and AI traffic features.

A lightweight OpenAI API relay service built with Bun runtime that routes requests to various OpenAI-compatible backends based on model prefixes.

llm-apipool aggregates 40+ free LLM APIs into one OpenAI-compatible endpoint. Auto-rotates keys, handles rate limits, tracks usage, and supports CLI, TUI, proxy, and LangChain integration.

A lightweight OpenAI API reverse proxy featuring per-key token budgets, rate limiting, cost dashboards, and automatic model downgrading.

Minimal FastAPI proxy for OpenAI Chat Completions and Embeddings APIs. Supports multi-tenant key mapping, streaming, and official SDK compatibility without a database.