Open source focus
Open Source Alternatives to Rainguard AI
60 open source Enterprise options similar to Rainguard AI, 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.
Knostic54Cybersecurity$14.3MOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
Torch Security49CybersecurityLeawood, United StatesOpen source
TandemTrace35Agentic AIOpen source
Qualifire32Generative AIOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Intezer63EnterpriseTel Aviv, Israel$58.0MOpen source
Nagomi Security63CybersecuritySan Francisco, United States$30.0MOpen source
Artemis Global Technologies62CybersecuritySan Francisco, United States$85.0MOpen source
Fiddler Labs, Inc.62MLOpsMountain View, United States$39.0MOpen source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MOpen source
Applitools61EnterpriseSan Mateo, United States$41.5MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Overops59EnterpriseSan Francisco, United States$49.5MOpen source
Token Security57EnterpriseSan Francisco, United States$27.0MOpen source
Backslash Security57CybersecurityTel Aviv, Israel$27.0MOpen source
Ray Security57EnterpriseSan Francisco, United States$11.0MOpen source
Checksum55Test AutomationSan Francisco, United StatesOpen source
Mobb55CybersecurityTel Aviv, Israel$5.4MOpen source
KTrust54EnterpriseTel Aviv, Israel$5.3MOpen source
Enso Security52EnterpriseTel Aviv, Israel$6.0MOpen source
Aviro52Agentic AISan Francisco, United States$500KOpen source
Fiddler Labs48AI ObservabilityMountain View, United StatesOpen source
Argon Security47EnterpriseTel Aviv, IsraelOpen source
Antithesis46CybersecuritySan Francisco, United States$117.5MOpen source
Mayhem Security45CybersecurityBethesda, United StatesOpen source
Hacktron AI Inc.43CybersecuritySan Francisco, United States$1.0MOpen source
Slauth.io43EnterpriseAshburn, United States$1.5MOpen source · Self-hostable
Microsoft43Operating SystemRedmond, United StatesOpen source
Orq.ai41Agentic AIAmsterdam, Netherlands$8.9MOpen source
Paart40AI GovernanceSan Francisco, United StatesOpen source
Neptune39MLOpsNew York, United States$11.0MOpen source
Cipherwake30CybersecurityToronto, CanadaOpen source
Bell Cyber28CybersecurityTel Aviv, IsraelOpen source
CRAB26Agentic AIOpen source · Self-hostable
- Svitch26AI GovernanceSan Francisco, United States
Open source
Controlsecurity18CybersecurityTel Aviv, IsraelOpen source
StartupHub.ai17AI Search EngineTel Aviv, IsraelOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Modelglass12AI InfrastructureSydney, AustraliaOpen source
0sec11CybersecurityTel Aviv, IsraelOpen source · Self-hostable
Aitrustapp4Trust and SafetyOpen source
Axonmedical4HealthTechOpen source
RegulatediqAI GovernanceOpen source
Coworker.aiHR TechOpen source
NykadvisoryAI-Powered AdvisoryOpen source
- ExploitcheckCybersecurity
Open source
VAST Data85StorageNew York, United States$881.0MOpen source
Forter85FintechNew York, United States$550.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 | |
| Torch Security | Cybersecurity | Open source | Leawood, United States | — | 49 | |
| TandemTrace | Agentic AI | Open source | — | — | 35 | |
| Qualifire | Generative AI | Open source | — | — | 32 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 | |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 | |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 | |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 | |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 | |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 | |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 | |
| Intezer | Enterprise | Open source | Tel Aviv, Israel | $58.0M | 63 | |
| Nagomi Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 63 | |
| Artemis Global Technologies | Cybersecurity | Open source | San Francisco, United States | $85.0M | 62 | |
| Fiddler Labs, Inc. | MLOps | Open source | Mountain View, United States | $39.0M | 62 | |
| Seemplicity | Enterprise | Open source | Tel Aviv, Israel | $182.0M | 61 | |
| Applitools | Enterprise | Open source | San Mateo, United States | $41.5M | 61 | |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 | |
| Overops | Enterprise | Open source | San Francisco, United States | $49.5M | 59 | |
| Token Security | Enterprise | Open source | San Francisco, United States | $27.0M | 57 | |
| Backslash Security | Cybersecurity | Open source | Tel Aviv, Israel | $27.0M | 57 | |
| Ray Security | Enterprise | Open source | San Francisco, United States | $11.0M | 57 | |
| Checksum | Test Automation | Open source | San Francisco, United States | — | 55 | |
| Mobb | Cybersecurity | Open source | Tel Aviv, Israel | $5.4M | 55 | |
| KTrust | Enterprise | Open source | Tel Aviv, Israel | $5.3M | 54 | |
| Enso Security | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 52 | |
| Aviro | Agentic AI | Open source | San Francisco, United States | $500K | 52 | |
| Fiddler Labs | AI Observability | Open source | Mountain View, United States | — | 48 | |
| Argon Security | Enterprise | Open source | Tel Aviv, Israel | — | 47 | |
| Antithesis | Cybersecurity | Open source | San Francisco, United States | $117.5M | 46 | |
| Mayhem Security | Cybersecurity | Open source | Bethesda, United States | — | 45 | |
| Hacktron AI Inc. | Cybersecurity | Open source | San Francisco, United States | $1.0M | 43 | |
| Slauth.io | Enterprise | Open source · Self-hostable | Ashburn, United States | $1.5M | 43 | |
| Microsoft | Operating System | Open source | Redmond, United States | — | 43 | |
| Orq.ai | Agentic AI | Open source | Amsterdam, Netherlands | $8.9M | 41 | |
| Paart | AI Governance | Open source | San Francisco, United States | — | 40 | |
| Neptune | MLOps | Open source | New York, United States | $11.0M | 39 | |
| Cipherwake | Cybersecurity | Open source | Toronto, Canada | — | 30 | |
| Bell Cyber | Cybersecurity | Open source | Tel Aviv, Israel | — | 28 | |
| CRAB | Agentic AI | Open source · Self-hostable | — | — | 26 | |
| AI Governance | Open source | San Francisco, United States | — | 26 | ||
| Controlsecurity | Cybersecurity | Open source | Tel Aviv, Israel | — | 18 | |
| StartupHub.ai | AI Search Engine | Open source | Tel Aviv, Israel | — | 17 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| Modelglass | AI Infrastructure | Open source | Sydney, Australia | — | 12 | |
| 0sec | Cybersecurity | Open source · Self-hostable | Tel Aviv, Israel | — | 11 | |
| Aitrustapp | Trust and Safety | Open source | — | — | 4 | |
| Axonmedical | HealthTech | Open source | — | — | 4 | |
| Regulatediq | AI Governance | Open source | — | — | — | |
| Coworker.ai | HR Tech | Open source | — | — | — | |
| Nykadvisory | AI-Powered Advisory | Open source | — | — | — | |
| Cybersecurity | Open source | — | — | — | ||
| VAST Data | Storage | Open source | New York, United States | $881.0M | 85 | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 |