* [CopilotKit v1.59.0](https://github.com/CopilotKit/CopilotKit) – Tool for building integrated AI assistants and agents that operate within user applications. * [OpenAgent v2.0.0](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. * [LangChain langchain-perplexity...](https://github.com/langchain-ai/langchain) – Framework for building agents and LLM-powered applications with modular components and integrations. * [AEGIS v0.1.0](https://github.com/Justin0504/Aegis) – Pre-execution firewall that classifies and enforces runtime policies for AI agent tool calls, with audit trails and human approvals. * [Deep Agents deepagents-cli==0.1....](https://github.com/langchain-ai/deepagents) – Batteries-included agent harness offering planning, filesystem tools, sub-agents, sandboxed shell, and context management. * [SurfSense v0.0.26](https://github.com/MODSetter/SurfSense) – Highly customizable AI research agent integrating personal knowledge bases with multiple external sources and advanced search capabilities. * [Aegra v0.9.18](https://github.com/aegra/aegra) – Self-hosted LangSmith Deployments alternative providing a FastAPI-based AI agent backend with PostgreSQL persistence. * [Boxcars v0.10.10](https://github.com/BoxcarsAI/boxcars) – Create systems with AI composability using various concepts including LLMs, SQL, and vector search. * [AWS Generative AI CDK Constructs v0.1.317](https://github.com/awslabs/generative-ai-cdk-constructs) – CDK extension providing multi-service, well-architected constructs to define repeatable generative AI infrastructure patterns.