Open source focus
Mayhem Security is open source
Open Source Alternatives to Mayhem Security
60 open source Cybersecurity options similar to Mayhem Security, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Each profile notes license and self-hosting where we have it.
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
NemoClaw75Artificial IntelligenceOpen source · Self-hostable
z.ai65Foundation ModelSan Francisco, USA$1.3BOpen source
Qualifire32Generative AIOpen source
Axonmedical4HealthTechOpen source
- ExploitcheckCybersecurity
Open source
Forter85FintechNew York, United States$550.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Google DeepMind83Frontier AI LabLondon, United Kingdom$676.7MOpen source
DeepSeek AI70AI InfrastructureBeijing, ChinaOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Lacentral68Frontier AI LabSan Francisco, United States$11.3BOpen source
Entire62Artificial Intelligence$60.0MOpen source · Self-hostable
RadixArk62Artificial IntelligencePalo Alto, USA$20.0MOpen source
Agency58Agentic AISan Francisco, United States$20.0MOpen source
MANIFEST56LegalNew York, United States$23.0MOpen source
Cajal55B2BSan Francisco, United States$4.5MOpen source
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
Covenant54AISan Francisco, United StatesOpen source
Knostic54Cybersecurity$14.3MOpen source
KiloClaw54Artificial IntelligenceOpen source · Self-hostable
Superlinked53Artificial IntelligenceTel Aviv, Israel$9.5MOpen source
Visual Layer50DatabaseTel Aviv, Israel$7.0MOpen source · Self-hostable
Tinfoil50CybersecuritySan Francisco, United States$500.3MOpen source
Fiddler Labs48AI ObservabilityMountain View, United StatesOpen source
Imbue47Artificial IntelligenceSan Francisco, United StatesOpen source
Hacktron AI Inc.46CybersecuritySan Francisco, United States$1.0MOpen source
Crowdsense45EnterpriseTel Aviv, Israel$880KOpen source
Kiro IDE44Artificial IntelligenceSan Francisco, United StatesOpen source
Paart40AI GovernanceSan Francisco, United StatesOpen source
LettaAI38Artificial IntelligenceSan Francisco, United States$1.5MOpen source
Cipherwake30CybersecurityOpen source
herocon.ai27Agentic AI$2.0MOpen source
CRAB26Agentic AIOpen source · Self-hostable
- Svitch26AI GovernanceSan Francisco, United States
Open source
Ontic25AI SafetySan Francisco, United States$291.5MOpen source
World Models21Frontier AI LabOpen source
Gravitee4CybersecurityLondon, United KingdomOpen source
TinyFish3Artificial IntelligenceSan Francisco, United StatesOpen source
- IronweftAgentic AISan Francisco, United States
Open source
ForgenticFoundation ModelTel Aviv, IsraelOpen source
Str3Agentic AISan Francisco, United StatesOpen source
Locai LabsArtificial IntelligenceUnited Kingdom$735KOpen source
MarchwardAgentic AISan Francisco, United StatesOpen source
- AigentsourceAgentic AI
Open source · Self-hostable
GuardianlayerCybersecuritySan Francisco, United StatesOpen source
DeepL82Artificial IntelligenceCologne, Germany$300.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
- XAxAI78Frontier AI LabPalo Alto, United States$90.0B
Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Manus AI75Agentic AISingapore, Singapore$150.0MOpen source
Thinking Machines Lab74Frontier AI LabSan Francisco, United States$3.4BOpen source
MiniMax74Artificial IntelligenceShanghai, China$1.1BOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
Codeium71Artificial IntelligenceMountain View, United States$396.7MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| NemoClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 75 |
| z.ai | Foundation Model | Open source | San Francisco, USA | $1.3B | 65 |
| Qualifire | Generative AI | Open source | — | — | 32 |
| Axonmedical | HealthTech | Open source | — | — | 4 |
| Cybersecurity | Open source | — | — | — | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 |
| Google DeepMind | Frontier AI Lab | Open source | London, United Kingdom | $676.7M | 83 |
| DeepSeek AI | AI Infrastructure | Open source | Beijing, China | — | 70 |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |
| Lacentral | Frontier AI Lab | Open source | San Francisco, United States | $11.3B | 68 |
| Entire | Artificial Intelligence | Open source · Self-hostable | — | $60.0M | 62 |
| RadixArk | Artificial Intelligence | Open source | Palo Alto, USA | $20.0M | 62 |
| Agency | Agentic AI | Open source | San Francisco, United States | $20.0M | 58 |
| MANIFEST | Legal | Open source | New York, United States | $23.0M | 56 |
| Cajal | B2B | Open source | San Francisco, United States | $4.5M | 55 |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 |
| Covenant | AI | Open source | San Francisco, United States | — | 54 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| KiloClaw | Artificial Intelligence | Open source · Self-hostable | — | — | 54 |
| Superlinked | Artificial Intelligence | Open source | Tel Aviv, Israel | $9.5M | 53 |
| Visual Layer | Database | Open source · Self-hostable | Tel Aviv, Israel | $7.0M | 50 |
| Tinfoil | Cybersecurity | Open source | San Francisco, United States | $500.3M | 50 |
| Fiddler Labs | AI Observability | Open source | Mountain View, United States | — | 48 |
| Imbue | Artificial Intelligence | Open source | San Francisco, United States | — | 47 |
| Hacktron AI Inc. | Cybersecurity | Open source | San Francisco, United States | $1.0M | 46 |
| Crowdsense | Enterprise | Open source | Tel Aviv, Israel | $880K | 45 |
| Kiro IDE | Artificial Intelligence | Open source | San Francisco, United States | — | 44 |
| Paart | AI Governance | Open source | San Francisco, United States | — | 40 |
| LettaAI | Artificial Intelligence | Open source | San Francisco, United States | $1.5M | 38 |
| Cipherwake | Cybersecurity | Open source | — | — | 30 |
| herocon.ai | Agentic AI | Open source | — | $2.0M | 27 |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 |
| AI Governance | Open source | San Francisco, United States | — | 26 | |
| Ontic | AI Safety | Open source | San Francisco, United States | $291.5M | 25 |
| World Models | Frontier AI Lab | Open source | — | — | 21 |
| Gravitee | Cybersecurity | Open source | London, United Kingdom | — | 4 |
| TinyFish | Artificial Intelligence | Open source | San Francisco, United States | — | 3 |
| Agentic AI | Open source | San Francisco, United States | — | — | |
| Forgentic | Foundation Model | Open source | Tel Aviv, Israel | — | — |
| Str3 | Agentic AI | Open source | San Francisco, United States | — | — |
| Locai Labs | Artificial Intelligence | Open source | United Kingdom | $735K | — |
| Marchward | Agentic AI | Open source | San Francisco, United States | — | — |
| Agentic AI | Open source · Self-hostable | — | — | — | |
| Guardianlayer | Cybersecurity | Open source | San Francisco, United States | — | — |
| DeepL | Artificial Intelligence | Open source | Cologne, Germany | $300.0M | 82 |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 |
| XAxAI | Frontier AI Lab | Open source | Palo Alto, United States | $90.0B | 78 |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 |
| Manus AI | Agentic AI | Open source | Singapore, Singapore | $150.0M | 75 |
| Thinking Machines Lab | Frontier AI Lab | Open source | San Francisco, United States | $3.4B | 74 |
| MiniMax | Artificial Intelligence | Open source | Shanghai, China | $1.1B | 74 |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 |
| Codeium | Artificial Intelligence | Open source | Mountain View, United States | $396.7M | 71 |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 |