LangChain - Framework for building applications with LLMs through composability

Lyzr.ai - Lyzr Agent Studio powered by Lyzr's Agent Framework, is a low-code/no-code platform that enables enterprises to easily build, deploy, and scale safe and reliable AI agents.

Botpress - Open-source platform for developers to build high-quality digital assistants

Relevance AI - Build great vector-based applications with flexible developer tools for storing, querying and experimenting with vectors.

LangFlow - LangFlow is a GUI for LangChain , designed with react-flow to provide an effortless way to experiment and prototype flows with drag-and-drop components and a chat box..

n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.