Human Layer - human-in-the-loop for LLM-powered workflows

Gen AI Toolbox - open source MCP server for databases by Google

Stagehand - contol browsers with natural language

AI Elements - library of React components to build AI interfaces fasters

Streaming Agents - orchestration for event driven agents on Apache Flink

LMCache - KV cache to make LLMs 5-8x faster (and cheaper)

Sim - open source AI workflow builder