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Agent Frameworks

10 Best Open Source AI Agent Frameworks You Can Self-Host in 2026

Abstract dark scene of a closed server box holding ten colored framework tiles with outbound arrows blocked

We ran the same agent job offline in 11 open source frameworks and compared memory, install size, outbound telemetry, serving options, and advisories to find the 10 best you can self host.

AgentStack Agent Engineering Desk
November 5, 2026

AgentStack is the operator’s manual for enterprise AI agents: sourced guides, comparisons and field notes for the AI, ops and product leaders who build, buy and run them.

Contact: contact@agentopsguide.com
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AI Agents
Agent Frameworks
MCP & Agent Protocols
AgentOps
Workflow Automation
Copilots & AI Assistants
Enterprise AI Strategy
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