Agent Telemetry | AgentStack

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

Agent Frameworks

9 Best LangGraph Alternatives in 2026, Open Source and Managed

Abstract dark scene with a gray three node graph branching along dotted paths to colorful node shapes

We tested 9 LangGraph alternatives, from CrewAI and Pydantic AI to Mastra, by running the same tool calling job in each with outbound traffic logged, and compared install size, telemetry, checkpoints, and managed options.

AgentStack Agent Engineering Desk
November 4, 2026

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

9 Best LangGraph Alternatives in 2026, Open Source and Managed

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