Open source focus

Open Source Alternatives to LINE5

18 open source Defense Tech options similar to LINE5, 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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Cua39
AI AgentSan Francisco, United States$500K
Cua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.
Open source
CRAB27
Agentic AI
An open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.
Open source · Self-hostable
BA
BabyAGI17
Agentic AI
Experimental open-source framework for building self-building autonomous agents with a novel function framework.
Open source · Self-hostable
Auto-GPT53
Agentic AI$12.0M
Open-source autonomous AI agent platform that automates complex digital workflows.
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
Defcon47
HardwareMcLean, United States$44.0M
The Defcon badges feature a unique open-source chip that doubles as a security key.
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
K-Scale Labs40
Frontier AI LabSan Francisco, United States
Building general-purpose AI for a future of material abundance.
Open source · Self-hostable
Superagent35
Agentic AISan Francisco, United States
Open-source infrastructure for coding agents, enabling AI to plan, generate, and deploy software autonomously.
Open source · Self-hostable
AG
Agent4Rec20
Agentic AI
Simulates 1,000 LLM-powered agents for diverse movie recommendation preferences.
Open source
OpenDevin12
AI Agent Platform
An open-source platform for developing AI-powered autonomous software engineering agents.
Open source · Self-hostable
Causari10
Agentic AI
Causari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.
Open source · Self-hostable
AI Habitat10
Embodied AI
An open-source platform for research in embodied AI, focusing on realistic simulation environments.
Open source
Codel8
Agentic AI
An open-source, autonomous AI agent for complex tasks using terminal, browser, and editor interactions.
Open source · Self-hostable
Idoris8
Agentic AI
An open-source, AI-powered brain for organizations, offering a workbench for builders, tailored solutions, and an agent legion.
Open source
Manhattan Reasoning7
AI Chip
Cloud silicon, open-source toolchains, and training environments where AI learns to design computer chips that are both correct and optimal.
Open source
HU
HumanSignal7
Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
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

Company	Sector	License	HQ	Funding	Score
CuaCua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.	AI Agent	Open source	San Francisco, United States	$500K	39
CRABAn open-source framework for building, operating, and benchmarking Multimodal Language Model (MLM) agents across diverse environments.	Agentic AI	Open source · Self-hostable	—	—	27
BABabyAGIExperimental open-source framework for building self-building autonomous agents with a novel function framework.	Agentic AI	Open source · Self-hostable	—	—	17
Auto-GPTOpen-source autonomous AI agent platform that automates complex digital workflows.	Agentic AI	Open source · Self-hostable	—	$12.0M	53
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
DefconThe Defcon badges feature a unique open-source chip that doubles as a security key.	Hardware	Open source	McLean, United States	$44.0M	47
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
K-Scale LabsBuilding general-purpose AI for a future of material abundance.	Frontier AI Lab	Open source · Self-hostable	San Francisco, United States	—	40
SuperagentOpen-source infrastructure for coding agents, enabling AI to plan, generate, and deploy software autonomously.	Agentic AI	Open source · Self-hostable	San Francisco, United States	—	35
AGAgent4RecSimulates 1,000 LLM-powered agents for diverse movie recommendation preferences.	Agentic AI	Open source	—	—	20
OpenDevinAn open-source platform for developing AI-powered autonomous software engineering agents.	AI Agent Platform	Open source · Self-hostable	—	—	12
CausariCausari provides structured causal knowledge to AI agents for tracing cause and effect, finding historical patterns, and searching for impactful events.	Agentic AI	Open source · Self-hostable	—	—	10
AI HabitatAn open-source platform for research in embodied AI, focusing on realistic simulation environments.	Embodied AI	Open source	—	—	10
CodelAn open-source, autonomous AI agent for complex tasks using terminal, browser, and editor interactions.	Agentic AI	Open source · Self-hostable	—	—	8
IdorisAn open-source, AI-powered brain for organizations, offering a workbench for builders, tailored solutions, and an agent legion.	Agentic AI	Open source	—	—	8
Manhattan ReasoningCloud silicon, open-source toolchains, and training environments where AI learns to design computer chips that are both correct and optimal.	AI Chip	Open source	—	—	7
HUHumanSignalAdala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.	Agentic AI	Open source · Self-hostable	—	—	7
0secAn applied cybersecurity research lab using AI agents to autonomously discover, exploit, and verify software vulnerabilities.	Cybersecurity	Open source · Self-hostable	—	—	11