* [CopilotKit v1.69.0](https://github.com/CopilotKit/CopilotKit) – Tool for building integrated AI assistants and agents that operate within user applications.

* [LangChain langchain-anthropic=...](https://github.com/langchain-ai/langchain) – Framework for building agents and LLM-powered applications with modular components and integrations.

* [OpenAgent v2.89.0](https://github.com/the-open-agent/openagent) – Enterprise-level AI knowledge base and agent-management platform with admin UI, user management, SSO, and multi-model support.

* [Deep Agents deepagents-acp==0.0....](https://github.com/langchain-ai/deepagents) – Batteries-included agent harness offering planning, filesystem tools, sub-agents, sandboxed shell, and context management.

* [Aegra v0.10.4](https://github.com/aegra/aegra) – Self-hosted LangSmith Deployments alternative providing a FastAPI-based AI agent backend with PostgreSQL persistence.

* [RAG NoteBook v2.2.1](https://github.com/RMA-MUN/RAGNotebook) – FastAPI and LangChain-based RAG notebook with a React interface, supporting Markdown-based notes, document ingestion, and chat with streaming responses.

* [SurfSense v0.0.38](https://github.com/MODSetter/SurfSense) – Highly customizable AI research agent integrating personal knowledge bases with multiple external sources and advanced search capabilities.