Top alternatives to Semantic Kernel

Semantic Kernel is a open source in AI Agent. Here are the strongest alternatives, ranked by an explainable 4-dimension score.

● Data-backed · 503 nodes · updated 2026-06-28
#AlternativeOverallPop.Mom.Cred.Eco.
1SmolAgents · Agent Frameworks
Lightweight library for building agents that write and execute code.
8684938382
2/dev/agents · Agent Frameworks
Startup building a new operating system designed for AI agents.
7974937370
3Dify · Agent Frameworks
Open-source LLMOps platform for building and operating AI agents and applications.
7653769292
4Goose · Agent Frameworks
Block's open-source extensible AI agent that automates engineering tasks locally.
8474938583
5PydanticAI · Agent Frameworks
Type-safe Python agent framework from the Pydantic team.
8374938281
6Haystack · Agent Frameworks
Open-source framework by deepset for building production LLM and agent pipelines.
8184678989
7Langflow · Agent Frameworks
Visual low-code tool for building and prototyping LLM and agent workflows.
7544908785
8Flowise · Agent Frameworks
Open-source drag-and-drop builder for LLM and agent flows.
7546908684
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