Open source focus

Open Source Alternatives to Graintech

10 open source Conversational AI options similar to Graintech, 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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Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
Rasa49
Conversational AIBerlin, Germany$13.0M
Open-source conversational AI platform for building custom chatbots and virtual assistants.
Open source · Self-hostable
Kyutai68
Frontier AI LabParis, France$300.0M
A non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.
Open source · Self-hostable
Vocode50
Open SourceSan Francisco, United States$3.8M
Open-source library for building hyper-realistic voice agents and conversational AI applications.
Open source · Self-hostable
All-Hands AI49
Agentic AIBoston, United States$5.0M
An open-source platform for building and running AI coding agents that automate software development tasks.
Open source · Self-hostable
Slauth.io43
EnterpriseAshburn, United States$1.5M
Ark Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.
Open source · Self-hostable
Pomvox21
Voice AI
Press a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.
Open source
Firmgate7
Enterprise Software
Australian-owned, sovereign-built, open-source self-hosted intranet with AI-enabled enterprise modules.
Open source
OP
OpenWorker7
Agentic AI
OpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.
Open source
Elementor69
WebsiteRamat Gan, Israel$65.8M
Elementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
ProbablTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.	MLOps	Open source	Paris, France	$18.5M	54
RasaOpen-source conversational AI platform for building custom chatbots and virtual assistants.	Conversational AI	Open source · Self-hostable	Berlin, Germany	$13.0M	49
KyutaiA non-profit AI research lab focused on open science and developing advanced multimodal and voice AI models.	Frontier AI Lab	Open source · Self-hostable	Paris, France	$300.0M	68
VocodeOpen-source library for building hyper-realistic voice agents and conversational AI applications.	Open Source	Open source · Self-hostable	San Francisco, United States	$3.8M	50
All-Hands AIAn open-source platform for building and running AI coding agents that automate software development tasks.	Agentic AI	Open source · Self-hostable	Boston, United States	$5.0M	49
Slauth.ioArk Infotech offers Cybersecurity, AI/ML, Data Analytics, and IT consulting services, including the Slauth.io IAM Policy Copilot.	Enterprise	Open source · Self-hostable	Ashburn, United States	$1.5M	43
PomvoxPress a key, talk, and clean text appears at your cursor, transcribed on the Apple Neural Engine. Free, open source, and fully private.	Voice AI	Open source	—	—	21
FirmgateAustralian-owned, sovereign-built, open-source self-hosted intranet with AI-enabled enterprise modules.	Enterprise Software	Open source	—	—	7
OPOpenWorkerOpenWorker is an open-source desktop AI agent that runs locally, integrates with everyday tools, and delivers finished outcomes by breaking down tasks.	Agentic AI	Open source	—	—	7
ElementorElementor is the leading open-source website builder platform for WordPress professionals, enabling pixel-perfect design and efficient site creation with AI-assisted tools.	Website	Open source · Self-hostable	Ramat Gan, Israel	$65.8M	69