Open source focus

Open Source Alternatives to Smart NPC

5 open source Gaming options similar to Smart NPC, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.

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Parlant
Not rated
Parlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.
Open source · Self-hostable
Vocode
Not rated
Open-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
Comfy Org
Not rated
Comfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.
Open source
Rasa
Not rated
Open-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Keep
Not rated
Open-source alert management platform using AI to reduce noise and improve alert actionability for engineers.
Open source · Self-hostable

Company	License	Founded	Rating	Reviews
ParlantParlant is an open-source conversational AI engine dedicated to solving the Human/AI alignment problem by enabling Large Language Models to reliably perform as desired and prevent hallucinations.	Open source · Self-hostable	-	Not rated	-
VocodeOpen-source library for building hyper-realistic voice agents and conversational AI applications.	Open source · Self-hostable	-	Not rated	-
Comfy OrgComfy is an AI creation engine for visual professionals, offering granular control over AI models, parameters, and outputs through a node-based workflow on an infinite canvas.	Open source	-	Not rated	-
RasaOpen-source conversational AI platform for building custom chatbots and virtual assistants.	Open source · Self-hostable	-	Not rated	-
KeepOpen-source alert management platform using AI to reduce noise and improve alert actionability for engineers.	Open source · Self-hostable	-	Not rated	-