Open source focus
Open Source Alternatives to Nucleinet
60 open source Cybersecurity options similar to Nucleinet, 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.
- LALacework70AISan Jose, United States$1.3B
Open source
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Piiano54EnterpriseTel Aviv, Israel$9.0MOpen source
Cipherwake30CybersecurityToronto, CanadaOpen source
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Twistlock60EnterpriseSan Francisco, United States$62.8MOpen source
ARMO57EnterpriseTel Aviv, Israel$34.5MOpen source · Self-hostable
Knostic54Cybersecurity$14.3MOpen source
Oplane49CybersecurityMalmö, Sweden$4.5MOpen source
ORY47Identity & Access ManagementBerlin, Germany$17.0MOpen source · Self-hostable
- TRTruffle Security47CybersecuritySan Francisco, United States$30.0M
Open source
Slauth.io43EnterpriseAshburn, United States$1.5MOpen source · Self-hostable
Falco10CybersecurityOpen source · Self-hostable
UmbrasecCybersecurityOpen source
GuardianlayerCybersecuritySan Francisco, United StatesOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
Tracebit63CybersecurityLondon, United Kingdom$25.0MOpen source
Chainguard62CybersecuritySeattle, United States$385.0MOpen source · Self-hostable
Ox Security62EnterpriseBoston, United States$154.0MOpen source
Demisto62EnterpriseSan Francisco, United States$69.0MOpen source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MOpen source
Clutch Security59CybersecuritySan Francisco, United States$10.0MOpen source
flox58EnterpriseSan Francisco, United States$42.6MOpen source
Backslash Security57CybersecurityTel Aviv, Israel$27.0MOpen source
Tamnoon57EnterpriseTel Aviv, Israel$17.1MOpen source
Boost Security57CybersecuritySan Francisco, USA$12.0MOpen source
GitGuardian56CybersecurityParis, France$50.0MOpen source
Datree55KubernetesTel Aviv, Israel$14.0MOpen source
Mobb55CybersecurityTel Aviv, Israel$5.4MOpen source
Pynt55CybersecurityTel Aviv, Israel$6.0MOpen source
StackRox54CybersecurityMountain View, United States$26.5MOpen source
Wing Cloud54EnterpriseTel Aviv, Israel$20.0MOpen source · Self-hostable
Ironblocks54EnterpriseTel Aviv, Israel$7.0MOpen source
Lightspin54EnterpriseTel Aviv, Israel$60.0MOpen source
KTrust54EnterpriseTel Aviv, Israel$5.3MOpen source
LoginRadius53Identity & Access ManagementVancouver, CanadaOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
SecuredTouch53BiometricsDenver, United States$11.5MOpen source
Enso Security52EnterpriseTel Aviv, Israel$6.0MOpen source
Escape Technologies52CybersecurityBiarritz, France$21.9MOpen source
Infisical51Developer ToolsSan Francisco, United States$34.8MOpen source · Self-hostable
Mondoo50CybersecuritySan Francisco, United States$168.9MOpen source
Torch Security49CybersecurityLeawood, United StatesOpen source
- FOForgeRock48Identity & Access Management (IAM)San Francisco, United States$220.0M
Open source
AppViewX47CybersecurityNashua, USA$2.0MOpen source
- CRCrash Override44CybersecuritySan Francisco, United States$5.0M
Open source
PureSec42EnterpriseTel Aviv, Israel$10.0MOpen source
OWASP37CybersecurityRaleigh, USAOpen source · Self-hostable
TandemTrace35Agentic AIOpen source
xpay28FintechBengaluru, IndiaOpen source
Lawrence27Developer ToolsOpen source
GeeTest CAPTCHA25CybersecurityShanghai, ChinaOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| LALacework | AI | Open source | San Jose, United States | $1.3B | 70 | |
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| Piiano | Enterprise | Open source | Tel Aviv, Israel | $9.0M | 54 | |
| Cipherwake | Cybersecurity | Open source | Toronto, Canada | — | 30 | |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 | |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 | |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 | |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 | |
| Twistlock | Enterprise | Open source | San Francisco, United States | $62.8M | 60 | |
| ARMO | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $34.5M | 57 | |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Oplane | Cybersecurity | Open source | Malmö, Sweden | $4.5M | 49 | |
| ORY | Identity & Access Management | Open source · Self-hostable | Berlin, Germany | $17.0M | 47 | |
| TRTruffle Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 47 | |
| Slauth.io | Enterprise | Open source · Self-hostable | Ashburn, United States | $1.5M | 43 | |
| Falco | Cybersecurity | Open source · Self-hostable | — | — | 10 | |
| Umbrasec | Cybersecurity | Open source | — | — | — | |
| Guardianlayer | Cybersecurity | Open source | San Francisco, United States | — | — | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 | |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 | |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 | |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 | |
| Tracebit | Cybersecurity | Open source | London, United Kingdom | $25.0M | 63 | |
| Chainguard | Cybersecurity | Open source · Self-hostable | Seattle, United States | $385.0M | 62 | |
| Ox Security | Enterprise | Open source | Boston, United States | $154.0M | 62 | |
| Demisto | Enterprise | Open source | San Francisco, United States | $69.0M | 62 | |
| Seemplicity | Enterprise | Open source | Tel Aviv, Israel | $182.0M | 61 | |
| Clutch Security | Cybersecurity | Open source | San Francisco, United States | $10.0M | 59 | |
| flox | Enterprise | Open source | San Francisco, United States | $42.6M | 58 | |
| Backslash Security | Cybersecurity | Open source | Tel Aviv, Israel | $27.0M | 57 | |
| Tamnoon | Enterprise | Open source | Tel Aviv, Israel | $17.1M | 57 | |
| Boost Security | Cybersecurity | Open source | San Francisco, USA | $12.0M | 57 | |
| GitGuardian | Cybersecurity | Open source | Paris, France | $50.0M | 56 | |
| Datree | Kubernetes | Open source | Tel Aviv, Israel | $14.0M | 55 | |
| Mobb | Cybersecurity | Open source | Tel Aviv, Israel | $5.4M | 55 | |
| Pynt | Cybersecurity | Open source | Tel Aviv, Israel | $6.0M | 55 | |
| StackRox | Cybersecurity | Open source | Mountain View, United States | $26.5M | 54 | |
| Wing Cloud | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 54 | |
| Ironblocks | Enterprise | Open source | Tel Aviv, Israel | $7.0M | 54 | |
| Lightspin | Enterprise | Open source | Tel Aviv, Israel | $60.0M | 54 | |
| KTrust | Enterprise | Open source | Tel Aviv, Israel | $5.3M | 54 | |
| LoginRadius | Identity & Access Management | Open source | Vancouver, Canada | — | 53 | |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 | |
| SecuredTouch | Biometrics | Open source | Denver, United States | $11.5M | 53 | |
| Enso Security | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 52 | |
| Escape Technologies | Cybersecurity | Open source | Biarritz, France | $21.9M | 52 | |
| Infisical | Developer Tools | Open source · Self-hostable | San Francisco, United States | $34.8M | 51 | |
| Mondoo | Cybersecurity | Open source | San Francisco, United States | $168.9M | 50 | |
| Torch Security | Cybersecurity | Open source | Leawood, United States | — | 49 | |
| FOForgeRock | Identity & Access Management (IAM) | Open source | San Francisco, United States | $220.0M | 48 | |
| AppViewX | Cybersecurity | Open source | Nashua, USA | $2.0M | 47 | |
| CRCrash Override | Cybersecurity | Open source | San Francisco, United States | $5.0M | 44 | |
| PureSec | Enterprise | Open source | Tel Aviv, Israel | $10.0M | 42 | |
| OWASP | Cybersecurity | Open source · Self-hostable | Raleigh, USA | — | 37 | |
| TandemTrace | Agentic AI | Open source | — | — | 35 | |
| xpay | Fintech | Open source | Bengaluru, India | — | 28 | |
| Lawrence | Developer Tools | Open source | — | — | 27 | |
| GeeTest CAPTCHA | Cybersecurity | Open source | Shanghai, China | — | 25 |