Open source focus
Open Source Alternatives to Nordsentry
60 open source Cybersecurity options similar to Nordsentry, 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.
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
Backslash Security57CybersecurityTel Aviv, Israel$27.0MOpen source
Mobb55CybersecurityTel Aviv, Israel$5.4MOpen source
OWASP37CybersecurityRaleigh, USAOpen source · Self-hostable
0sec11CybersecurityTel Aviv, IsraelOpen source · Self-hostable
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Boost Security57CybersecuritySan Francisco, USA$12.0MOpen source
ARMO57EnterpriseTel Aviv, Israel$34.5MOpen source · Self-hostable
MANIFEST56LegalNew York, United States$23.0MOpen source
Pynt55CybersecurityTel Aviv, Israel$6.0MOpen source
Knostic54Cybersecurity$14.3MOpen source
Oplane49CybersecurityMalmö, Sweden$4.5MOpen source
- TRTruffle Security47CybersecuritySan Francisco, United States$30.0M
Open source
UmbrasecCybersecurityOpen source
GuardianlayerCybersecuritySan Francisco, United StatesOpen source
KernelscanCybersecurityAichtal, GermanyOpen source · Self-hostable
- ExploitcheckCybersecurity
Open source
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Expel66CybersecurityHerndon, United States$267.8MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Demisto62EnterpriseSan Francisco, United States$69.0MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MOpen source
VulnCheck60CybersecurityLexington, United States$41.8MOpen source
Tamnoon57EnterpriseTel Aviv, Israel$17.1MOpen source
HoneyHive55CybersecuritySan Francisco, United States$10.0MOpen source
XPOZ55MediaTel Aviv, Israel$1.5MOpen source
Lightspin54EnterpriseTel Aviv, Israel$60.0MOpen source
Ironblocks54EnterpriseTel Aviv, Israel$7.0MOpen source
KTrust54EnterpriseTel Aviv, Israel$5.3MOpen source
Enso Security52EnterpriseTel Aviv, Israel$6.0MOpen source
Mondoo50CybersecuritySan Francisco, United States$168.9MOpen source
Torch Security49CybersecurityLeawood, United StatesOpen source
Argon Security47EnterpriseTel Aviv, IsraelOpen source
MalantAI46CybersecurityTel Aviv, IsraelOpen source
Mayhem Security45CybersecurityBethesda, United StatesOpen source
Scribe Security43Supply ChainTel Aviv, IsraelOpen source
Hacktron AI Inc.43CybersecuritySan Francisco, United States$1.0MOpen source
TandemTrace35Agentic AIOpen source
Helmet Security35CybersecurityWashington, United States$19.0MOpen source
Dustico34EnterpriseTel Aviv, IsraelOpen source · Self-hostable
Cipherwake30CybersecurityOpen source
Vibranium Dome23AI AgentsOpen source · Self-hostable
Palo Alto Networks Cortex XDR23CybersecuritySanta Clara, United StatesOpen source
GitHub Advanced Security21CybersecuritySan Francisco, United StatesOpen source
Controlsecurity18CybersecurityTel Aviv, IsraelOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
Falco10CybersecurityOpen source · Self-hostable
RSA10CybersecurityBedford, United StatesOpen source
- Attestely7Cybersecurity
Open source
Aitrustapp4Trust and SafetyOpen source
MeritsecurityCybersecurityOpen source
DependencywatchCybersecurityOpen source · Self-hostable
ExploitshieldCybersecurityOpen source
Forter85FintechNew York, United States$550.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 |
| Backslash Security | Cybersecurity | Open source | Tel Aviv, Israel | $27.0M | 57 |
| Mobb | Cybersecurity | Open source | Tel Aviv, Israel | $5.4M | 55 |
| OWASP | Cybersecurity | Open source · Self-hostable | Raleigh, USA | — | 37 |
| 0sec | Cybersecurity | Open source · Self-hostable | Tel Aviv, Israel | — | 11 |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 |
| Boost Security | Cybersecurity | Open source | San Francisco, USA | $12.0M | 57 |
| ARMO | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $34.5M | 57 |
| MANIFEST | Legal | Open source | New York, United States | $23.0M | 56 |
| Pynt | Cybersecurity | Open source | Tel Aviv, Israel | $6.0M | 55 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| Oplane | Cybersecurity | Open source | Malmö, Sweden | $4.5M | 49 |
| TRTruffle Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 47 |
| Umbrasec | Cybersecurity | Open source | — | — | — |
| Guardianlayer | Cybersecurity | Open source | San Francisco, United States | — | — |
| Kernelscan | Cybersecurity | Open source · Self-hostable | Aichtal, Germany | — | — |
| Cybersecurity | Open source | — | — | — | |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 |
| Expel | Cybersecurity | Open source | Herndon, United States | $267.8M | 66 |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Demisto | Enterprise | Open source | San Francisco, United States | $69.0M | 62 |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 |
| Seemplicity | Enterprise | Open source | Tel Aviv, Israel | $182.0M | 61 |
| VulnCheck | Cybersecurity | Open source | Lexington, United States | $41.8M | 60 |
| Tamnoon | Enterprise | Open source | Tel Aviv, Israel | $17.1M | 57 |
| HoneyHive | Cybersecurity | Open source | San Francisco, United States | $10.0M | 55 |
| XPOZ | Media | Open source | Tel Aviv, Israel | $1.5M | 55 |
| Lightspin | Enterprise | Open source | Tel Aviv, Israel | $60.0M | 54 |
| Ironblocks | Enterprise | Open source | Tel Aviv, Israel | $7.0M | 54 |
| KTrust | Enterprise | Open source | Tel Aviv, Israel | $5.3M | 54 |
| Enso Security | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 52 |
| Mondoo | Cybersecurity | Open source | San Francisco, United States | $168.9M | 50 |
| Torch Security | Cybersecurity | Open source | Leawood, United States | — | 49 |
| Argon Security | Enterprise | Open source | Tel Aviv, Israel | — | 47 |
| MalantAI | Cybersecurity | Open source | Tel Aviv, Israel | — | 46 |
| Mayhem Security | Cybersecurity | Open source | Bethesda, United States | — | 45 |
| Scribe Security | Supply Chain | Open source | Tel Aviv, Israel | — | 43 |
| Hacktron AI Inc. | Cybersecurity | Open source | San Francisco, United States | $1.0M | 43 |
| TandemTrace | Agentic AI | Open source | — | — | 35 |
| Helmet Security | Cybersecurity | Open source | Washington, United States | $19.0M | 35 |
| Dustico | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | — | 34 |
| Cipherwake | Cybersecurity | Open source | — | — | 30 |
| Vibranium Dome | AI Agents | Open source · Self-hostable | — | — | 23 |
| Palo Alto Networks Cortex XDR | Cybersecurity | Open source | Santa Clara, United States | — | 23 |
| GitHub Advanced Security | Cybersecurity | Open source | San Francisco, United States | — | 21 |
| Controlsecurity | Cybersecurity | Open source | Tel Aviv, Israel | — | 18 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| Falco | Cybersecurity | Open source · Self-hostable | — | — | 10 |
| RSA | Cybersecurity | Open source | Bedford, United States | — | 10 |
| Cybersecurity | Open source | — | — | 7 | |
| Aitrustapp | Trust and Safety | Open source | — | — | 4 |
| Meritsecurity | Cybersecurity | Open source | — | — | — |
| Dependencywatch | Cybersecurity | Open source · Self-hostable | — | — | — |
| Exploitshield | 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 |