Best Stack AI Alternatives

No-code platform for building AI agents and multi-agent teams that run sales, support, and ops tasks

No-code canvas for building AI agents and automated workflows by connecting drag-and-drop nodes

Open-source platform for building LLM apps and AI agents with visual workflows, RAG, and 100+ model providers

Open-source low-code platform to build LLM apps and AI agents visually with drag-and-drop chatflows and agentflows

A general autonomous AI agent that plans, browses, codes, and finishes multi-step tasks on its own

Open-source framework plus LangGraph and LangSmith for building, orchestrating, and observing LLM agents

No-code AI agents that handle email, meetings, and recurring workflows

Open-source Python framework for orchestrating role-playing multi-agent AI teams, with an enterprise platform

White-label platform to deliver, manage, and monetize AI voice agents under your own brand

Fair-code workflow automation with 400+ integrations

Open-source AI agent layer for Medplum and FHIR with human approval on every write