Best Alternatives to Microsoft Foundry Agent Service

Open-source, general-purpose AI agent framework that runs in a Docker sandbox and learns by writing its own tools.

Open-source multi-agent platform from Alibaba's DAMO Academy for building LLM agents with visual workflows and runtime management.

Open-source, extensible AI agent from Block that runs on your machine and orchestrates LLMs, MCP tools, and developer workflows.

Open-source Python framework for orchestrating role-playing, autonomous AI agents that collaborate as a 'crew' to complete complex tasks.

From Free

Cloud desktops for AI agents — give Claude Code, Codex or any computer-use agent its own isolated macOS or Linux VM.

Dust review 2026: enterprise AI platform from Paris for building governed agents grounded in Slack, Drive, Notion — features, pricing, pros, cons.

Open-source self-improving AI agent framework by Nous Research with persistent memory, 40+ tools, and 135K+ GitHub stars.

Durable-execution platform for AI workflows and agents — write step-functions in TypeScript or Python, get retries, scheduling and observability for free.

From Free

Open-source visual editor (acquired by DataStax/IBM) for building, prototyping, and deploying agentic LLM workflows with hundreds of pre-built components.

From Free

TypeScript-native framework for building AI agents, workflows, and RAG pipelines — from the team behind Gatsby.js.

From Free

Smithery is the registry and hosted runtime for Model Context Protocol servers — discover, install and run MCP servers for Claude, Cursor, Windsurf and more.

Cloud platform for building, deploying, and scheduling persistent AI workers from chat — backed by hundreds of pre-built tools and full MCP support.

From Free