Open source focus
Open Source Alternatives to Guardian RF
60 open source Defense Tech options similar to Guardian RF, 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.
Zen Technologies63$119.0MOpen source
Virtual-Crypto31FintechOpen source
D-Fend Solutions62DronesTel Aviv, Israel$59.0MOpen source
Vanilla Aircraft47AerospaceFalls Church, United StatesOpen source
Sky-Spy39Defense Tech$16.0MOpen source
Orange Sky Defense39Defense TechIsrael, Israel$1.0MOpen source
Miltech Hellas25Defense TechAthens, GreeceOpen source
SkyfireAI59AerospaceAustin, USA$19.5MOpen source
- CYCyber Apex Solutions55Cybersecuritynull, US
Open source
Overwatch Imaging55Defense TechHood River, USA$17.1MOpen source
Datablanket53FireSan Francisco, United States$4.0MOpen source
WaiV Robotics50RoboticsSouthampton, United Kingdom$7.5MOpen source
CyberBee50DronesTel Aviv, Israel$900KOpen source
Airvolute45AerospaceTrnava, Slovakia$1.5MOpen source
- NONova Sky33Drone TechnologyLondon, United Kingdom$29.5M
Open source
SpearUAV31DronesTel Aviv, IsraelOpen source
Seahawk Robotics29Drone TechnologySan Diego, United StatesOpen source
Arkanum20CybersecurityOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
9 Mothers10Hard TechAustin, United StatesOpen source
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
WWT85CybersecuritySt. Louis, USA$63.0MOpen source
Forter85FintechNew York, United States$550.0MOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Okta79SaaSSan Francisco, United States$187.0MOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen 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
- LALacework70AISan Jose, United States$1.3B
Open source
Crunchbase70DataSan Francisco, United StatesOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Talon Cyber Security69EnterpriseNew York, United States$126.0MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
Sysdig69CybersecuritySan Francisco, USA$608.0MOpen source
XBOW69CybersecuritySeattle, United States$215.0MOpen source
LogicGate Risk Cloud68GRCChicago, United States$269.0MOpen source
Mandiant68CybersecurityReston, United States$220.0MOpen source
Percepto67DronesTel Aviv, Israel$136.8MOpen source
Chainalysis67FintechNew York, United States$170.0MOpen source
Corelight67Network SecuritySan Francisco, United States$284.2MOpen source
Tines66Security AutomationDublin, Ireland$260.1MOpen source
Expel66CybersecurityHerndon, United States$267.8MOpen source
Zenity66CybersecuritySan Francisco, United States$59.5MOpen source
Flashpoint66CybersecurityNew York, USA$63.0MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
Cockroach Labs65EnterpriseNew York, United States$308.1MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
Protect AI64CybersecuritySeattle, United States$105.0MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
- EVEvervault63Data PrivacyDublin, Ireland$43.2M
Open source
Aurora Labs63AutomotiveTel Aviv, Israel$99.6MOpen source
Tracebit63CybersecurityLondon, United Kingdom$25.0MOpen source
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Nagomi Security63CybersecuritySan Francisco, United States$30.0MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Zen Technologies | — | Open source | — | $119.0M | 63 | |
| Virtual-Crypto | Fintech | Open source | — | — | 31 | |
| D-Fend Solutions | Drones | Open source | Tel Aviv, Israel | $59.0M | 62 | |
| Vanilla Aircraft | Aerospace | Open source | Falls Church, United States | — | 47 | |
| Sky-Spy | Defense Tech | Open source | — | $16.0M | 39 | |
| Orange Sky Defense | Defense Tech | Open source | Israel, Israel | $1.0M | 39 | |
| Miltech Hellas | Defense Tech | Open source | Athens, Greece | — | 25 | |
| SkyfireAI | Aerospace | Open source | Austin, USA | $19.5M | 59 | |
| CYCyber Apex Solutions | Cybersecurity | Open source | null, US | — | 55 | |
| Overwatch Imaging | Defense Tech | Open source | Hood River, USA | $17.1M | 55 | |
| Datablanket | Fire | Open source | San Francisco, United States | $4.0M | 53 | |
| WaiV Robotics | Robotics | Open source | Southampton, United Kingdom | $7.5M | 50 | |
| CyberBee | Drones | Open source | Tel Aviv, Israel | $900K | 50 | |
| Airvolute | Aerospace | Open source | Trnava, Slovakia | $1.5M | 45 | |
| NONova Sky | Drone Technology | Open source | London, United Kingdom | $29.5M | 33 | |
| SpearUAV | Drones | Open source | Tel Aviv, Israel | — | 31 | |
| Seahawk Robotics | Drone Technology | Open source | San Diego, United States | — | 29 | |
| Arkanum | Cybersecurity | Open source | — | — | 20 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| 9 Mothers | Hard Tech | Open source | Austin, United States | — | 10 | |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 | |
| WWT | Cybersecurity | Open source | St. Louis, USA | $63.0M | 85 | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Okta | SaaS | Open source | San Francisco, United States | $187.0M | 79 | |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 | |
| 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 | |
| LALacework | AI | Open source | San Jose, United States | $1.3B | 70 | |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 | |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| Talon Cyber Security | Enterprise | Open source | New York, United States | $126.0M | 69 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 | |
| Sysdig | Cybersecurity | Open source | San Francisco, USA | $608.0M | 69 | |
| XBOW | Cybersecurity | Open source | Seattle, United States | $215.0M | 69 | |
| LogicGate Risk Cloud | GRC | Open source | Chicago, United States | $269.0M | 68 | |
| Mandiant | Cybersecurity | Open source | Reston, United States | $220.0M | 68 | |
| Percepto | Drones | Open source | Tel Aviv, Israel | $136.8M | 67 | |
| Chainalysis | Fintech | Open source | New York, United States | $170.0M | 67 | |
| Corelight | Network Security | Open source | San Francisco, United States | $284.2M | 67 | |
| Tines | Security Automation | Open source | Dublin, Ireland | $260.1M | 66 | |
| Expel | Cybersecurity | Open source | Herndon, United States | $267.8M | 66 | |
| Zenity | Cybersecurity | Open source | San Francisco, United States | $59.5M | 66 | |
| Flashpoint | Cybersecurity | Open source | New York, USA | $63.0M | 66 | |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 | |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 | |
| Cockroach Labs | Enterprise | Open source | New York, United States | $308.1M | 65 | |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 | |
| Protect AI | Cybersecurity | Open source | Seattle, United States | $105.0M | 64 | |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 | |
| EVEvervault | Data Privacy | Open source | Dublin, Ireland | $43.2M | 63 | |
| Aurora Labs | Automotive | Open source | Tel Aviv, Israel | $99.6M | 63 | |
| Tracebit | Cybersecurity | Open source | London, United Kingdom | $25.0M | 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 | |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 | |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 |