* [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. * [Aegra v0.10.0](https://github.com/aegra/aegra) – Self-hosted LangSmith Deployments alternative providing a FastAPI-based AI agent backend with PostgreSQL persistence. * [ID-based RAG FastAPI v0.9.0](https://github.com/danny-avila/rag_api) – Integration of Langchain with FastAPI for document indexing and retrieval using PostgreSQL/pgvector. * [Magic Resume v1.0.0](https://github.com/Magic-Resume/Magic-Resume) – AI-native resume platform with a real-time visual editor, multi-model optimization, and a local-first MCP server for safe resume patching by coding assistants. * [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. * [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. * [Boxcars v0.10.14](https://github.com/BoxcarsAI/boxcars) – Create systems with AI composability using various concepts including LLMs, SQL, and vector search. * [MCP Toolbox SDKs for Go tbgenkit/v0.9.0](https://github.com/googleapis/mcp-toolbox-sdk-go) – Go SDKs to fetch, represent, and invoke server-managed tools as Go structs within agentic applications. * [Dawn create-dawn-ai-app@0...](https://github.com/cacheplane/dawnai) – TypeScript meta-framework for building LangGraph AI agents and workflows with filesystem routes, typed inputs/outputs, durable threads, and a local HMR dev loop.