Find Open-Source Alternatives
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Discover powerful open-source replacements for popular commercial software. Save on costs, gain transparency, and join a community of developers.
Compare community-driven replacements for OpenRouter in llm gateways & aggregators workflows. We curate active, self-hostable options with transparent licensing so you can evaluate the right fit quickly.

These projects match the most common migration paths for teams replacing OpenRouter.
Why teams pick it
Organizations with Docker or Go runtime for easy deployment
Recent commits in the last 6 months
MIT, Apache, and similar licenses
Counts reflect projects currently indexed as alternatives to OpenRouter.
Why teams pick it
Enterprises needing a reliable AI gateway with load balancing

Unified AI gateway with instant failover and zero-config startup
Why teams choose it
Watch for
Requires self‑hosting infrastructure
Migration highlight
Multi‑provider fallback for production chatbots
Maintain 100% uptime by automatically switching between OpenAI, Anthropic, and Bedrock when any provider experiences latency or outage.

Cloud-native API gateway with AI and Wasm extensibility

Fast, secure routing hub for 1600+ AI models

Unified gateway for secure, scalable generative AI traffic

Unified gateway for all LLM APIs with OpenAI compatibility
Teams replacing OpenRouter in llm gateways & aggregators workflows typically weigh self-hosting needs, integration coverage, and licensing obligations.
Tip: shortlist one hosted and one self-hosted option so stakeholders can compare trade-offs before migrating away from OpenRouter.
Why teams choose it
Watch for
Steep learning curve for Istio/Envoy newcomers
Migration highlight
MCP Server Hosting
Host remote MCP servers via Wasm plugins, enabling AI agents to invoke tools with unified auth, rate limiting, and audit logging.
Why teams choose it
Watch for
Requires Node.js runtime for self‑hosting
Migration highlight
Unified multi‑modal API for a SaaS product
Developers call text, image, and speech models through one endpoint, reducing code complexity and latency.
Why teams choose it
Watch for
Requires familiarity with Envoy configuration
Migration highlight
Enterprise AI platform consolidating OpenAI, Azure, and internal models
Provides a single entry point with unified auth, rate limits, and routing, simplifying policy enforcement.
Why teams choose it
Watch for
Adds an abstraction layer that may introduce slight latency
Migration highlight
Multi‑model A/B testing
Switch between OpenAI, Anthropic, and Cohere models with a single function call, enabling rapid performance comparison.