Alternatives to GrapheneOS
The top Operating System companies similar to GrapheneOS, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Aemetis15Climate TechCupertino, United States- CHCheck Point Software Technologies85CybersecurityTel Aviv, Israel$2.0B
Snyk85AI Coding AssistantBoston, United States$488.5M
Check Point Software72CybersecurityTel Aviv, Israel$1.5B
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0M
NordVPN71CybersecurityPanama City, Panama$100.0M
Oligo Security63EnterpriseTel Aviv, Israel$70.0M
Mine62CybersecurityTel Aviv, Israel$42.5M
Chainguard62CybersecuritySeattle, United States$385.0M
Laminar61EnterpriseTel Aviv, Israel$70.0M- MOMozilla Firefox60InternetSan Francisco, United States$2.3M
Canonical60Open SourceLondon, United Kingdom$348K
Mend60Open SourceTel Aviv, Israel$126.5M
Probo59SMB SoftwareTel Aviv, Israel$2.5M
Steel.dev58Developer ToolsTel Aviv, Israel$17.0M
ThreatFabric58CybersecurityTel Aviv, Israel$3.5M
Lookout58CybersecuritySan Francisco, USA$277.5M
Kasada57CybersecurityNew York, United States$84.9M
Vendict57ComplianceTel Aviv, Israel$10.5M
IronVest57DataNew York, United States$23.0M
Identiq57CryptographicTel Aviv, Israel$52.0M
ProtonVPN57CybersecurityGeneva, Switzerland$63.0M
ARMO57EnterpriseTel Aviv, Israel$34.5M
1touch.io56EnterpriseNew York, United States$33.0M
Fleet Device Management55CybersecuritySan Francisco, USA$32.0M
Virtru Email Encryption55CybersecurityArlington, United States
Satori55EnterpriseSan Mateo, United States
Wandera55Mobile$53.5M
NowSecure55CybersecurityColumbia, USA$63.0M
Cloaked55CybersecurityBoston, United States$404.3M
Seal Security55EnterpriseTel Aviv, Israel$20.4M
Anonybit54PrivacyNew York, United States$8.0M
Wing Cloud54EnterpriseTel Aviv, Israel$20.0M
WireGuard54CybersecurityBerlin, Germany$63.0M
Polar Security53EnterpriseTel Aviv, Israel$8.5M
NSO Group53EnterpriseHerzliya, Israel$1.8M
ZecOps53EnterpriseTel Aviv, Israel$13.7M
Zimperium53EnterpriseDallas, United States$139.0M- APAppknox52CybersecuritySingapore, Singapore$63.0M
- Puck52Endpoint SecurityUnited States
MinerEye51EnterpriseTel Aviv, Israel$14.6M
Optery51PersonalSan Francisco, United States
Infisical51Developer ToolsSan Francisco, United States$34.8M- TITidelift50SaaSBoston, United States$15.0M
SafeHouse Technologies50CybersecurityNew York, United States$2.8M- VEVelum Labs50Machine LearningSan Francisco, United States$500K
SpiderOak50Cloud StorageKansas City, United States$20.0M
Skycure49CybersecurityTel Aviv, Israel$27.5M
Bitwarden48CybersecuritySanta Barbara, United States$130.0M- INInAuth48CybersecurityBoston, United States$20.8M
- BLBlock Party48CybersecuritySan Francisco, USA$63.0M
Reclaim Security48EnterpriseSan Francisco, United States
ORY47Identity & Access ManagementBerlin, Germany$17.0M- APApproov45CybersecurityLondon, United Kingdom$8.6M
Keepers Child Safety45Mobile Marketing$1.0M
SmythOS45Agentic AISan Francisco, United States
Build3843CybersecurityTel Aviv, Israel$2.5M
Microsoft43Operating SystemRedmond, United States
Levl Technologies41AutomotiveSan Francisco, United States
SpecterX40EnterpriseTel Aviv, Israel
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Aemetis | Climate Tech | Cupertino, United States | — | 15 |
| CHCheck Point Software Technologies | Cybersecurity | Tel Aviv, Israel | $2.0B | 85 |
| Snyk | AI Coding Assistant | Boston, United States | $488.5M | 85 |
| Check Point Software | Cybersecurity | Tel Aviv, Israel | $1.5B | 72 |
| Osaurus | Artificial Intelligence | San Francisco, USA | $63.0M | 71 |
| NordVPN | Cybersecurity | Panama City, Panama | $100.0M | 71 |
| Oligo Security | Enterprise | Tel Aviv, Israel | $70.0M | 63 |
| Mine | Cybersecurity | Tel Aviv, Israel | $42.5M | 62 |
| Chainguard | Cybersecurity | Seattle, United States | $385.0M | 62 |
| Laminar | Enterprise | Tel Aviv, Israel | $70.0M | 61 |
| MOMozilla Firefox | Internet | San Francisco, United States | $2.3M | 60 |
| Canonical | Open Source | London, United Kingdom | $348K | 60 |
| Mend | Open Source | Tel Aviv, Israel | $126.5M | 60 |
| Probo | SMB Software | Tel Aviv, Israel | $2.5M | 59 |
| Steel.dev | Developer Tools | Tel Aviv, Israel | $17.0M | 58 |
| ThreatFabric | Cybersecurity | Tel Aviv, Israel | $3.5M | 58 |
| Lookout | Cybersecurity | San Francisco, USA | $277.5M | 58 |
| Kasada | Cybersecurity | New York, United States | $84.9M | 57 |
| Vendict | Compliance | Tel Aviv, Israel | $10.5M | 57 |
| IronVest | Data | New York, United States | $23.0M | 57 |
| Identiq | Cryptographic | Tel Aviv, Israel | $52.0M | 57 |
| ProtonVPN | Cybersecurity | Geneva, Switzerland | $63.0M | 57 |
| ARMO | Enterprise | Tel Aviv, Israel | $34.5M | 57 |
| 1touch.io | Enterprise | New York, United States | $33.0M | 56 |
| Fleet Device Management | Cybersecurity | San Francisco, USA | $32.0M | 55 |
| Virtru Email Encryption | Cybersecurity | Arlington, United States | — | 55 |
| Satori | Enterprise | San Mateo, United States | — | 55 |
| Wandera | Mobile | — | $53.5M | 55 |
| NowSecure | Cybersecurity | Columbia, USA | $63.0M | 55 |
| Cloaked | Cybersecurity | Boston, United States | $404.3M | 55 |
| Seal Security | Enterprise | Tel Aviv, Israel | $20.4M | 55 |
| Anonybit | Privacy | New York, United States | $8.0M | 54 |
| Wing Cloud | Enterprise | Tel Aviv, Israel | $20.0M | 54 |
| WireGuard | Cybersecurity | Berlin, Germany | $63.0M | 54 |
| Polar Security | Enterprise | Tel Aviv, Israel | $8.5M | 53 |
| NSO Group | Enterprise | Herzliya, Israel | $1.8M | 53 |
| ZecOps | Enterprise | Tel Aviv, Israel | $13.7M | 53 |
| Zimperium | Enterprise | Dallas, United States | $139.0M | 53 |
| APAppknox | Cybersecurity | Singapore, Singapore | $63.0M | 52 |
| Endpoint Security | United States | — | 52 | |
| MinerEye | Enterprise | Tel Aviv, Israel | $14.6M | 51 |
| Optery | Personal | San Francisco, United States | — | 51 |
| Infisical | Developer Tools | San Francisco, United States | $34.8M | 51 |
| TITidelift | SaaS | Boston, United States | $15.0M | 50 |
| SafeHouse Technologies | Cybersecurity | New York, United States | $2.8M | 50 |
| VEVelum Labs | Machine Learning | San Francisco, United States | $500K | 50 |
| SpiderOak | Cloud Storage | Kansas City, United States | $20.0M | 50 |
| Skycure | Cybersecurity | Tel Aviv, Israel | $27.5M | 49 |
| Bitwarden | Cybersecurity | Santa Barbara, United States | $130.0M | 48 |
| INInAuth | Cybersecurity | Boston, United States | $20.8M | 48 |
| BLBlock Party | Cybersecurity | San Francisco, USA | $63.0M | 48 |
| Reclaim Security | Enterprise | San Francisco, United States | — | 48 |
| ORY | Identity & Access Management | Berlin, Germany | $17.0M | 47 |
| APApproov | Cybersecurity | London, United Kingdom | $8.6M | 45 |
| Keepers Child Safety | Mobile Marketing | — | $1.0M | 45 |
| SmythOS | Agentic AI | San Francisco, United States | — | 45 |
| Build38 | Cybersecurity | Tel Aviv, Israel | $2.5M | 43 |
| Microsoft | Operating System | Redmond, United States | — | 43 |
| Levl Technologies | Automotive | San Francisco, United States | — | 41 |
| SpecterX | Enterprise | Tel Aviv, Israel | — | 40 |