* [CopilotKit v1.54.0](https://github.com/CopilotKit/CopilotKit) – Tool for building integrated AI assistants and agents that operate within user applications.

* [Aegra v0.8.0](https://github.com/ibbybuilds/aegra) – Self-hosted LangGraph Platform alternative providing an AI agent backend with FastAPI and PostgreSQL for full infrastructure control.

* [Boxcars v0.10.0](https://github.com/BoxcarsAI/boxcars) – Create systems with AI composability using various concepts including LLMs, SQL, and vector search.

* [RESTai v5.0.6](https://github.com/apocas/restai) – AI-as-a-Service platform providing a REST API to create and serve RAG, RAGSQL, agent, inference, vision, and image-generation projects.

* [ID-based RAG FastAPI v0.7.1](https://github.com/danny-avila/rag_api) – Integration of Langchain with FastAPI for document indexing and retrieval using PostgreSQL/pgvector.

* [Casibase v1.758.2](https://github.com/casibase/casibase) – Enterprise-grade AI knowledge base and MCP/A2A management platform with admin UI, user management, and SSO, supporting major models and providers.

* [M-Cube (M) v0.1.1](https://github.com/yycyyv/M-Cube) – Multi-agent, multimodal patent drafting assistant offering drafting, office-action responses, prior-art comparison, and claim polishing with image-text verification.

* [AWS Generative AI CDK Constructs v0.1.315](https://github.com/awslabs/generative-ai-cdk-constructs) – CDK extension providing multi-service, well-architected constructs to define repeatable generative AI infrastructure patterns.

* [langchain-postgres langchain-postgres==...](https://github.com/langchain-ai/langchain-postgres) – Implementations of core LangChain abstractions using Postgres.