Open source focus
Hack The Box is open source
Open Source Alternatives to Hack The Box
60 open source Cybersecurity options similar to Hack The Box, 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.
Intruder60CybersecurityLondon, United Kingdom$63.0MOpen source
- APAppknox52CybersecuritySingapore, Singapore$63.0M
Open source
OWASP37CybersecurityRaleigh, USAOpen source · Self-hostable
LetsDefend36CybersecuritySterling, United StatesOpen source
Nyx Security20CybersecurityTel Aviv, IsraelOpen source
0sec11CybersecurityOpen source · Self-hostable
Forter85FintechNew York, United States$550.0MOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
WWT85CybersecuritySt. Louis, USA$63.0MOpen source
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
Okta79SaaSSan Francisco, United States$187.0MOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen source
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
- LALacework70AISan Jose, United States$1.3B
Open source
Crunchbase70DataSan Francisco, United StatesOpen source
Sysdig69CybersecuritySan Francisco, USA$608.0MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
XBOW69CybersecuritySeattle, United States$215.0MOpen source
Talon Cyber Security69EnterpriseNew York, United States$126.0MOpen source
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
Mandiant68CybersecurityReston, United States$220.0MOpen source
Chainalysis67FintechNew York, United States$170.0MOpen source
Corelight67Network SecuritySan Francisco, United States$284.2MOpen source
Zenity66CybersecuritySan Francisco, United States$59.5MOpen source
Flashpoint66CybersecurityNew York, USA$63.0MOpen source
Tines66Security AutomationDublin, Ireland$260.1MOpen source
Expel66CybersecurityHerndon, United States$267.8MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
Cockroach Labs65EnterpriseNew York, United States$308.1MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
Habana Labs64ComputingTel Aviv, Israel$105.0MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
Protect AI64CybersecuritySeattle, United States$105.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
- EVEvervault63Data PrivacyDublin, Ireland$43.2M
Open source
- YUYubico63CybersecurityStockholm, Sweden
Open source
Tracebit63CybersecurityLondon, United Kingdom$25.0MOpen source
Aurora Labs63AutomotiveTel Aviv, Israel$99.6MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Nagomi Security63CybersecuritySan Francisco, United States$30.0MOpen source
Intezer63EnterpriseTel Aviv, Israel$58.0MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
CertiK63Web3New York, United States$241.5MOpen source
D-Fend Solutions62DronesTel Aviv, Israel$59.0MOpen source
Chainguard62CybersecuritySeattle, United States$385.0MOpen source · Self-hostable
Demisto62EnterpriseSan Francisco, United States$69.0MOpen source
NinjaOne62SoftwareAustin, United States$1.2BOpen source
Privy62Web3New York, United States$41.3MOpen source
LogRhythm62CybersecurityBoulder, United States$90.0MOpen source
Ox Security62EnterpriseBoston, United States$154.0MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Veracode62CybersecurityBurlington, United States$40.0MOpen source
Artemis Global Technologies62CybersecuritySan Francisco, United States$85.0MOpen source
FossID62SoftwareStockholm, Sweden$63.0MOpen source
Comet ML62MLOpsNew York, United States$69.8MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Intruder | Cybersecurity | Open source | London, United Kingdom | $63.0M | 60 |
| APAppknox | Cybersecurity | Open source | Singapore, Singapore | $63.0M | 52 |
| OWASP | Cybersecurity | Open source · Self-hostable | Raleigh, USA | — | 37 |
| LetsDefend | Cybersecurity | Open source | Sterling, United States | — | 36 |
| Nyx Security | Cybersecurity | Open source | Tel Aviv, Israel | — | 20 |
| 0sec | Cybersecurity | Open source · Self-hostable | — | — | 11 |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 |
| WWT | Cybersecurity | Open source | St. Louis, USA | $63.0M | 85 |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 |
| Okta | SaaS | Open source | San Francisco, United States | $187.0M | 79 |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 |
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 |
| LALacework | AI | Open source | San Jose, United States | $1.3B | 70 |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 |
| Sysdig | Cybersecurity | Open source | San Francisco, USA | $608.0M | 69 |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 |
| XBOW | Cybersecurity | Open source | Seattle, United States | $215.0M | 69 |
| Talon Cyber Security | Enterprise | Open source | New York, United States | $126.0M | 69 |
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 |
| Mandiant | Cybersecurity | Open source | Reston, United States | $220.0M | 68 |
| Chainalysis | Fintech | Open source | New York, United States | $170.0M | 67 |
| Corelight | Network Security | Open source | San Francisco, United States | $284.2M | 67 |
| Zenity | Cybersecurity | Open source | San Francisco, United States | $59.5M | 66 |
| Flashpoint | Cybersecurity | Open source | New York, USA | $63.0M | 66 |
| Tines | Security Automation | Open source | Dublin, Ireland | $260.1M | 66 |
| Expel | Cybersecurity | Open source | Herndon, United States | $267.8M | 66 |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 |
| Cockroach Labs | Enterprise | Open source | New York, United States | $308.1M | 65 |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 |
| Habana Labs | Computing | Open source | Tel Aviv, Israel | $105.0M | 64 |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 |
| Protect AI | Cybersecurity | Open source | Seattle, United States | $105.0M | 64 |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 |
| EVEvervault | Data Privacy | Open source | Dublin, Ireland | $43.2M | 63 |
| YUYubico | Cybersecurity | Open source | Stockholm, Sweden | — | 63 |
| Tracebit | Cybersecurity | Open source | London, United Kingdom | $25.0M | 63 |
| Aurora Labs | Automotive | Open source | Tel Aviv, Israel | $99.6M | 63 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Nagomi Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 63 |
| Intezer | Enterprise | Open source | Tel Aviv, Israel | $58.0M | 63 |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 |
| CertiK | Web3 | Open source | New York, United States | $241.5M | 63 |
| D-Fend Solutions | Drones | Open source | Tel Aviv, Israel | $59.0M | 62 |
| Chainguard | Cybersecurity | Open source · Self-hostable | Seattle, United States | $385.0M | 62 |
| Demisto | Enterprise | Open source | San Francisco, United States | $69.0M | 62 |
| NinjaOne | Software | Open source | Austin, United States | $1.2B | 62 |
| Privy | Web3 | Open source | New York, United States | $41.3M | 62 |
| LogRhythm | Cybersecurity | Open source | Boulder, United States | $90.0M | 62 |
| Ox Security | Enterprise | Open source | Boston, United States | $154.0M | 62 |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 |
| Veracode | Cybersecurity | Open source | Burlington, United States | $40.0M | 62 |
| Artemis Global Technologies | Cybersecurity | Open source | San Francisco, United States | $85.0M | 62 |
| FossID | Software | Open source | Stockholm, Sweden | $63.0M | 62 |
| Comet ML | MLOps | Open source | New York, United States | $69.8M | 62 |