Open source focus
VulnCheck is open source
Open Source Alternatives to VulnCheck
60 open source Cybersecurity options similar to VulnCheck, 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.
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
- ExploitcheckCybersecurity
Open source
UmbrasecCybersecurityOpen source
Forter85FintechNew York, United States$550.0MOpen source
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
Expel66CybersecurityHerndon, United States$267.8MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Backslash Security57CybersecurityTel Aviv, Israel$27.0MOpen source
Boost Security57CybersecuritySan Francisco, USA$12.0MOpen source
JupiterOne57CybersecurityCary, USA$3.0MOpen source
Mobb55CybersecurityTel Aviv, Israel$5.4MOpen source
HoneyHive55CybersecuritySan Francisco, United States$10.0MOpen source
Secdo55EnterpriseNew York City, United States$11.0MOpen source
Oplane49CybersecurityMalmö, Sweden$4.5MOpen source
- TRTruffle Security47CybersecuritySan Francisco, United States$30.0M
Open source
MalantAI46CybersecurityTel Aviv, IsraelOpen source
Mayhem Security45CybersecurityBethesda, United StatesOpen source
OWASP37CybersecurityRaleigh, USAOpen source · Self-hostable
SOC Prime36CybersecurityBoston, United States$21.5MOpen source
0sec11CybersecurityTel Aviv, IsraelOpen source · Self-hostable
Gravitee4CybersecurityLondon, United KingdomOpen source
KernelscanCybersecurityAichtal, GermanyOpen source · Self-hostable
WWT85CybersecuritySt. Louis, USA$63.0MOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen source
Crunchbase70DataSan Francisco, United StatesOpen source
XBOW69CybersecuritySeattle, United States$215.0MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Sysdig69CybersecuritySan Francisco, USA$608.0MOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
Mandiant68CybersecurityReston, United States$220.0MOpen source
Flashpoint66CybersecurityNew York, USA$63.0MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Protect AI64CybersecuritySeattle, United States$105.0MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
Nagomi Security63CybersecuritySan Francisco, United States$30.0MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
Intezer63EnterpriseTel Aviv, Israel$58.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
CertiK63Web3New York, United States$241.5MOpen source
FossID62SoftwareStockholm, Sweden$63.0MOpen source
Demisto62EnterpriseSan Francisco, United States$69.0MOpen source
Artemis Global Technologies62CybersecuritySan Francisco, United States$85.0MOpen source
LogRhythm62CybersecurityBoulder, United States$90.0MOpen source
NinjaOne62SoftwareAustin, United States$1.2BOpen source
Red Canary61CybersecurityDenver, United States$90.0MOpen source
FingerprintJS61Customer ServiceSan Francisco, United States$88.0MOpen source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Intruder60CybersecurityLondon, United Kingdom$63.0MOpen source
Netography60CybersecurityColumbia, United States$35.0MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Gretel AI58Artificial IntelligenceSan Diego, United States$65.5MOpen source
Axiom Quant58Artificial IntelligenceSan Francisco, United States$264.0MOpen source
Netskope58CybersecuritySanta Clara, United States$1.5BOpen source
Tamnoon57EnterpriseTel Aviv, Israel$17.1MOpen source
Ray Security57EnterpriseSan Francisco, United States$11.0MOpen source
Token Security57EnterpriseSan Francisco, United States$27.0MOpen source
ARMO57EnterpriseTel Aviv, Israel$34.5MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 | |
| Cybersecurity | Open source | — | — | — | ||
| Umbrasec | Cybersecurity | Open source | — | — | — | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 | |
| Expel | Cybersecurity | Open source | Herndon, United States | $267.8M | 66 | |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 | |
| Backslash Security | Cybersecurity | Open source | Tel Aviv, Israel | $27.0M | 57 | |
| Boost Security | Cybersecurity | Open source | San Francisco, USA | $12.0M | 57 | |
| JupiterOne | Cybersecurity | Open source | Cary, USA | $3.0M | 57 | |
| Mobb | Cybersecurity | Open source | Tel Aviv, Israel | $5.4M | 55 | |
| HoneyHive | Cybersecurity | Open source | San Francisco, United States | $10.0M | 55 | |
| Secdo | Enterprise | Open source | New York City, United States | $11.0M | 55 | |
| Oplane | Cybersecurity | Open source | Malmö, Sweden | $4.5M | 49 | |
| TRTruffle Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 47 | |
| MalantAI | Cybersecurity | Open source | Tel Aviv, Israel | — | 46 | |
| Mayhem Security | Cybersecurity | Open source | Bethesda, United States | — | 45 | |
| OWASP | Cybersecurity | Open source · Self-hostable | Raleigh, USA | — | 37 | |
| SOC Prime | Cybersecurity | Open source | Boston, United States | $21.5M | 36 | |
| 0sec | Cybersecurity | Open source · Self-hostable | Tel Aviv, Israel | — | 11 | |
| Gravitee | Cybersecurity | Open source | London, United Kingdom | — | 4 | |
| Kernelscan | Cybersecurity | Open source · Self-hostable | Aichtal, Germany | — | — | |
| WWT | Cybersecurity | Open source | St. Louis, USA | $63.0M | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 | |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 | |
| XBOW | Cybersecurity | Open source | Seattle, United States | $215.0M | 69 | |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| Sysdig | Cybersecurity | Open source | San Francisco, USA | $608.0M | 69 | |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 | |
| Mandiant | Cybersecurity | Open source | Reston, United States | $220.0M | 68 | |
| Flashpoint | Cybersecurity | Open source | New York, USA | $63.0M | 66 | |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 | |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 | |
| Protect AI | Cybersecurity | Open source | Seattle, United States | $105.0M | 64 | |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 | |
| Nagomi Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 63 | |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 | |
| Intezer | Enterprise | Open source | Tel Aviv, Israel | $58.0M | 63 | |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 | |
| CertiK | Web3 | Open source | New York, United States | $241.5M | 63 | |
| FossID | Software | Open source | Stockholm, Sweden | $63.0M | 62 | |
| Demisto | Enterprise | Open source | San Francisco, United States | $69.0M | 62 | |
| Artemis Global Technologies | Cybersecurity | Open source | San Francisco, United States | $85.0M | 62 | |
| LogRhythm | Cybersecurity | Open source | Boulder, United States | $90.0M | 62 | |
| NinjaOne | Software | Open source | Austin, United States | $1.2B | 62 | |
| Red Canary | Cybersecurity | Open source | Denver, United States | $90.0M | 61 | |
| FingerprintJS | Customer Service | Open source | San Francisco, United States | $88.0M | 61 | |
| Seemplicity | Enterprise | Open source | Tel Aviv, Israel | $182.0M | 61 | |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 | |
| Intruder | Cybersecurity | Open source | London, United Kingdom | $63.0M | 60 | |
| Netography | Cybersecurity | Open source | Columbia, United States | $35.0M | 60 | |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 | |
| Gretel AI | Artificial Intelligence | Open source | San Diego, United States | $65.5M | 58 | |
| Axiom Quant | Artificial Intelligence | Open source | San Francisco, United States | $264.0M | 58 | |
| Netskope | Cybersecurity | Open source | Santa Clara, United States | $1.5B | 58 | |
| Tamnoon | Enterprise | Open source | Tel Aviv, Israel | $17.1M | 57 | |
| Ray Security | Enterprise | Open source | San Francisco, United States | $11.0M | 57 | |
| Token Security | Enterprise | Open source | San Francisco, United States | $27.0M | 57 | |
| ARMO | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $34.5M | 57 |