Open source focus

Open Source Alternatives to Irregular

19 open source Artificial Intelligence options similar to Irregular, 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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K-Scale Labs40
Frontier AI LabSan Francisco, United States
Building general-purpose AI for a future of material abundance.
Open source · Self-hostable
0sec11
Cybersecurity
An applied cybersecurity research lab using AI agents to autonomously discover, exploit, and verify software vulnerabilities.
Open source · Self-hostable
Backslash Security56
CybersecurityTel Aviv, Israel$27.0M
Agentic endpoint security for AI coding, providing visibility, governance, and real-time protection.
Open source
OWASP38
CybersecurityRaleigh, USA
A global non-profit foundation dedicated to improving software security through open community collaboration.
Open source · Self-hostable
CRAB27
Agentic AI
An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
Umbrasec9
Cybersecurity
Independent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.
Open source
Open Intelligence Foundation7
Frontier AI Lab
A non-profit research organization focused on advancing open and ethical AI development.
Open source
Socket64
Software Supply Chain SecuritySan Francisco, United States$60.0M
Socket is a software supply chain security company that proactively blocks malicious open-source packages and extensions in AI-driven software development.
Open source
CIQ59
Artificial IntelligenceReno, United States$26.0M
Sponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.
Open source
BenchFlow42
Frontier AI LabSan Francisco, United States$1.0M
BenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.
Open source
Recognai, S.L.U.31
Data CurationBarcelona, Spain
Company
Open source
Parlant26
AI AgentsTel Aviv, Israel
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
Agentguardx26
AI Testing
An open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.
Open source
Agentjail10
Agentic AI
Policy guardrails for coding agents to block dangerous tool calls before they are fired.
Open source
Graphometer3
AI Observability
Seeing AI from the right angle. Free, open tools, resources, reports, and data that show what AI systems actually do.
Open source
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
ARMO56
EnterpriseTel Aviv, Israel$34.5M
ARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.
Open source · Self-hostable
Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
Puck52
Endpoint SecurityUnited States
Open-source, AI-driven endpoint investigation tool for security teams.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
K-Scale LabsBuilding general-purpose AI for a future of material abundance.	Frontier AI Lab	Open source · Self-hostable	San Francisco, United States	—	40
0secAn applied cybersecurity research lab using AI agents to autonomously discover, exploit, and verify software vulnerabilities.	Cybersecurity	Open source · Self-hostable	—	—	11
Backslash SecurityAgentic endpoint security for AI coding, providing visibility, governance, and real-time protection.	Cybersecurity	Open source	Tel Aviv, Israel	$27.0M	56
OWASPA global non-profit foundation dedicated to improving software security through open community collaboration.	Cybersecurity	Open source · Self-hostable	Raleigh, USA	—	38
CRABAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.	Agentic AI	Open source · Self-hostable	—	—	27
UmbrasecIndependent defensive security research focused on detection engineering, threat analysis, and open-source tooling for defenders.	Cybersecurity	Open source	—	—	9
Open Intelligence FoundationA non-profit research organization focused on advancing open and ethical AI development.	Frontier AI Lab	Open source	—	—	7
SocketSocket is a software supply chain security company that proactively blocks malicious open-source packages and extensions in AI-driven software development.	Software Supply Chain Security	Open source	San Francisco, United States	$60.0M	64
CIQSponsors of OpenWALDO, a community-driven initiative for open-source AI training data, and provider of enterprise Linux, HPC, and AI infrastructure software.	Artificial Intelligence	Open source	Reno, United States	$26.0M	59
BenchFlowBenchFlow is a frontier environment lab that builds environments for AI agents to learn and be evaluated on real computer work.	Frontier AI Lab	Open source	San Francisco, United States	$1.0M	42
Recognai, S.L.U.Company	Data Curation	Open source	Barcelona, Spain	—	31
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.	AI Agents	Open source · Self-hostable	Tel Aviv, Israel	—	26
AgentguardxAn open-source red-teaming toolkit for testing the security of LLM-powered agents, auditing prompt injection, memory poisoning, and tool abuse.	AI Testing	Open source	—	—	26
AgentjailPolicy guardrails for coding agents to block dangerous tool calls before they are fired.	Agentic AI	Open source	—	—	10
GraphometerSeeing AI from the right angle. Free, open tools, resources, reports, and data that show what AI systems actually do.	AI Observability	Open source	—	—	3
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
ARMOARMO provides an open-source Kubernetes security platform, Kubescape, for end-to-end security from development to production.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	$34.5M	56
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
PuckOpen-source, AI-driven endpoint investigation tool for security teams.	Endpoint Security	Open source · Self-hostable	United States	—	52