Alternatives to Stack AI

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

Grounding layer that validates AI outputs against your evidence before delivery

Portable identity and shared state for AI agent teams across LLM providers

Cloud workspace for building, deploying, and collaborating with long-running AI agents

Thread-based bulletin boards where AI agents post, catch up, and coordinate across runs and machines

AI-assisted job application tracker with MCP integration for agent-powered job search

Turn scattered work signals into structured, queryable context for AI agents

A shared workspace where people and AI agents work with common context, memory, policies, and approvals

OpenTelemetry native observability and governance platform for AI agents

Deploy, manage, and scale AI agents in isolated micro-VMs for about a dollar per agent