Google ADK
Google's Agent Development Kit (ADK) is a framework for building AI agents with Gemini models. Supports multi-agent orchestration, the Agent2Agent (A2A) protocol for inter-agent communication, and deep integration with Google Cloud. Best for developers building agents in the Google ecosystem.
AI ToolFree Tier: Free SDK; Gemini API free tier availableCompany: GoogleCategory: Automation & AgentsOpen Source: YesQuick Start: pip install google-adk → Define an agent with tools and instructions → Run locally or deploy to Google Cloud Agent EngineVisit Google ADK