Open source focus
Open Source Alternatives to Greymatter AI
60 open source Cybersecurity options similar to Greymatter 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.
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Twingate61CybersecurityRedwood City, United States$62.0MOpen source
Netography60CybersecurityColumbia, United States$35.0MOpen source
Netskope58CybersecuritySanta Clara, United States$1.5BOpen source
KTrust54EnterpriseTel Aviv, Israel$5.3MOpen source
Appgate50CybersecurityMiami, United StatesOpen source
MalantAI46CybersecurityTel Aviv, IsraelOpen source
Codavel38CybersecurityPorto, PortugalOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
Talon Cyber Security69EnterpriseNew York, United States$126.0MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Corelight67Network SecuritySan Francisco, United States$284.2MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MOpen source
Twistlock60EnterpriseSan Francisco, United States$62.8MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Ping Identity60Identity & Access Management (IAM)Denver, United States$111.0MOpen source
ARMO57EnterpriseTel Aviv, Israel$34.5MOpen source · Self-hostable
Ray Security57EnterpriseSan Francisco, United States$11.0MOpen source
JupiterOne57CybersecurityCary, USA$3.0MOpen source
Token Security57EnterpriseSan Francisco, United States$27.0MOpen source
Palo Alto Networks Israel Holdings54Cybersecurityתל אביב - יפו, IsraelOpen source
StackRox54CybersecurityMountain View, United States$26.5MOpen source
Piiano54EnterpriseTel Aviv, Israel$9.0MOpen source
Knostic54Cybersecurity$14.3MOpen source
Talon54CybersecurityTel Aviv, Israel$169.0MOpen source
LoginRadius53Identity & Access ManagementVancouver, CanadaOpen source
SecuredTouch53BiometricsDenver, United States$11.5MOpen source
Enso Security52EnterpriseTel Aviv, Israel$6.0MOpen source
Meta Networks50Wide Area Network (WAN)San Jose, United States$10.0MOpen source
Vectra AI50CybersecuritySan Jose, USA$10.0MOpen source
Torch Security49CybersecurityLeawood, United StatesOpen source
Oplane49CybersecurityMalmö, Sweden$4.5MOpen source
- FOForgeRock48Identity & Access Management (IAM)San Francisco, United States$220.0M
Open source
ORY47Identity & Access ManagementBerlin, Germany$17.0MOpen source · Self-hostable
- APApproov45CybersecurityLondon, United Kingdom$8.6M
Open source
Axiom Security45EnterpriseSan Francisco, United States$11.0MOpen source
Slauth.io43EnterpriseAshburn, United States$1.5MOpen source · Self-hostable
Cyviation43CybersecurityTel Aviv, Israel$4.0MOpen source
PureSec42EnterpriseTel Aviv, Israel$10.0MOpen source
Nestlogic37ComputingSan Francisco, United StatesOpen source
TandemTrace35Agentic AIOpen source
- FOFortanix35CybersecuritySanta Clara, United States$121.0M
Open source
GeeTest CAPTCHA25CybersecurityShanghai, ChinaOpen source
Crossid.io24Zero TrustTel Aviv, IsraelOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Palo Alto Networks Cortex XDR23CybersecuritySanta Clara, United StatesOpen source
Controlsecurity18CybersecurityTel Aviv, IsraelOpen source
Commvault Systems15EnterpriseTinton Falls, United StatesOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
0sec11CybersecurityTel Aviv, IsraelOpen source · Self-hostable
Falco10CybersecurityOpen source · Self-hostable
RSA10CybersecurityBedford, United StatesOpen source
Citcall10CybersecurityJakarta, IndonesiaOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 | |
| Twingate | Cybersecurity | Open source | Redwood City, United States | $62.0M | 61 | |
| Netography | Cybersecurity | Open source | Columbia, United States | $35.0M | 60 | |
| Netskope | Cybersecurity | Open source | Santa Clara, United States | $1.5B | 58 | |
| KTrust | Enterprise | Open source | Tel Aviv, Israel | $5.3M | 54 | |
| Appgate | Cybersecurity | Open source | Miami, United States | — | 50 | |
| MalantAI | Cybersecurity | Open source | Tel Aviv, Israel | — | 46 | |
| Codavel | Cybersecurity | Open source | Porto, Portugal | — | 38 | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 | |
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 | |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 | |
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 | |
| Talon Cyber Security | Enterprise | Open source | New York, United States | $126.0M | 69 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| Corelight | Network Security | Open source | San Francisco, United States | $284.2M | 67 | |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 | |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 | |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 | |
| Seemplicity | Enterprise | Open source | Tel Aviv, Israel | $182.0M | 61 | |
| Twistlock | Enterprise | Open source | San Francisco, United States | $62.8M | 60 | |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 | |
| Ping Identity | Identity & Access Management (IAM) | Open source | Denver, United States | $111.0M | 60 | |
| ARMO | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $34.5M | 57 | |
| Ray Security | Enterprise | Open source | San Francisco, United States | $11.0M | 57 | |
| JupiterOne | Cybersecurity | Open source | Cary, USA | $3.0M | 57 | |
| Token Security | Enterprise | Open source | San Francisco, United States | $27.0M | 57 | |
| Palo Alto Networks Israel Holdings | Cybersecurity | Open source | תל אביב - יפו, Israel | — | 54 | |
| StackRox | Cybersecurity | Open source | Mountain View, United States | $26.5M | 54 | |
| Piiano | Enterprise | Open source | Tel Aviv, Israel | $9.0M | 54 | |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Talon | Cybersecurity | Open source | Tel Aviv, Israel | $169.0M | 54 | |
| LoginRadius | Identity & Access Management | Open source | Vancouver, Canada | — | 53 | |
| SecuredTouch | Biometrics | Open source | Denver, United States | $11.5M | 53 | |
| Enso Security | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 52 | |
| Meta Networks | Wide Area Network (WAN) | Open source | San Jose, United States | $10.0M | 50 | |
| Vectra AI | Cybersecurity | Open source | San Jose, USA | $10.0M | 50 | |
| Torch Security | Cybersecurity | Open source | Leawood, United States | — | 49 | |
| Oplane | Cybersecurity | Open source | Malmö, Sweden | $4.5M | 49 | |
| FOForgeRock | Identity & Access Management (IAM) | Open source | San Francisco, United States | $220.0M | 48 | |
| ORY | Identity & Access Management | Open source · Self-hostable | Berlin, Germany | $17.0M | 47 | |
| APApproov | Cybersecurity | Open source | London, United Kingdom | $8.6M | 45 | |
| Axiom Security | Enterprise | Open source | San Francisco, United States | $11.0M | 45 | |
| Slauth.io | Enterprise | Open source · Self-hostable | Ashburn, United States | $1.5M | 43 | |
| Cyviation | Cybersecurity | Open source | Tel Aviv, Israel | $4.0M | 43 | |
| PureSec | Enterprise | Open source | Tel Aviv, Israel | $10.0M | 42 | |
| Nestlogic | Computing | Open source | San Francisco, United States | — | 37 | |
| TandemTrace | Agentic AI | Open source | — | — | 35 | |
| FOFortanix | Cybersecurity | Open source | Santa Clara, United States | $121.0M | 35 | |
| GeeTest CAPTCHA | Cybersecurity | Open source | Shanghai, China | — | 25 | |
| Crossid.io | Zero Trust | Open source | Tel Aviv, Israel | — | 24 | |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 | |
| Palo Alto Networks Cortex XDR | Cybersecurity | Open source | Santa Clara, United States | — | 23 | |
| Controlsecurity | Cybersecurity | Open source | Tel Aviv, Israel | — | 18 | |
| Commvault Systems | Enterprise | Open source | Tinton Falls, United States | — | 15 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| 0sec | Cybersecurity | Open source · Self-hostable | Tel Aviv, Israel | — | 11 | |
| Falco | Cybersecurity | Open source · Self-hostable | — | — | 10 | |
| RSA | Cybersecurity | Open source | Bedford, United States | — | 10 | |
| Citcall | Cybersecurity | Open source | Jakarta, Indonesia | — | 10 |