Open source focus
Tailscale is open source
Open Source Alternatives to Tailscale
60 open source Cybersecurity options similar to Tailscale, 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.
ZeroTier57Palo Alto, USA$29.4MOpen source
Piiano54EnterpriseTel Aviv, Israel$9.0MOpen source
ORY47Identity & Access ManagementBerlin, Germany$17.0MOpen source · Self-hostable
- TRTruffle Security47CybersecuritySan Francisco, United States$30.0M
Open source
Slauth.io43EnterpriseAshburn, United States$1.5MOpen source · Self-hostable
Cipherwake30CybersecurityToronto, CanadaOpen source
Citcall10CybersecurityJakarta, IndonesiaOpen source
GakoCybersecurityOpen source · Self-hostable
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Chainguard62CybersecuritySeattle, United States$385.0MOpen source · Self-hostable
Stytch61AuthenticationSan Francisco, USA$127.0MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
Wing Cloud54EnterpriseTel Aviv, Israel$20.0MOpen source · Self-hostable
Knostic54Cybersecurity$14.3MOpen source
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
SecuredTouch53BiometricsDenver, United States$11.5MOpen source
Infisical51Developer ToolsSan Francisco, United States$34.8MOpen source · Self-hostable
Permit.io51Identity ManagementTel Aviv, Israel$14.0MOpen source
Arcade48Artificial IntelligenceSan Francisco, USA$60.0MOpen source
- FOForgeRock48Identity & Access Management (IAM)San Francisco, United States$220.0M
Open source
LoginRadius41Identity & Access ManagementVancouver, CanadaOpen source
Runtime Verification41Software VerificationChampaign, United StatesOpen source
LettaAI38Artificial IntelligenceSan Francisco, United States$1.5MOpen source
TandemTrace35Agentic AIOpen source
Google reCAPTCHA Enterprise25CybersecurityMountain View, United StatesOpen source
GeeTest CAPTCHA25CybersecurityShanghai, ChinaOpen source
Anchor.dev13CybersecuritySan Francisco, United StatesOpen source
Gravitee4CybersecurityLondon, United KingdomOpen source
- LegacyfixerLegacy System Modernization
Open source
UmbrasecCybersecurityOpen source
RavenclawsAI AgentOpen source
GuardianlayerCybersecuritySan Francisco, United StatesOpen source
Forter85FintechNew York, United States$550.0MOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
Polygon81BlockchainMumbai, India$400.0MOpen source
Cursor80Artificial IntelligenceSan Francisco, United States$2.9BOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen source
Postman78API DevelopmentSan Francisco, United StatesOpen source
TestMu AI (Formerly LambdaTest)77MLOpsSan Francisco, United States$121Open source
Together AI76AI InfrastructureSan Francisco, United States$906.0MOpen source · Self-hostable
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Algolia75Search TechnologySan Francisco, United States$334.2MOpen source
Stripe, Inc.72BillingSouth San Francisco, United States$11.4BOpen source
Neon72DatabaseSan Francisco, United States$1.2BOpen source
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
Temporal71Workflow AutomationSeattle, United States$134.0MOpen source
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen source
- Supabase70DatabaseSan Francisco, United States$933.0M
Open source · Self-hostable
- LALacework70AISan Jose, United States$1.3B
Open source
OpenRouter70InfrastructureSan Francisco, United States$153.5MOpen source
Qdrant70Vector DatabaseBerlin, Germany$96.5MOpen source · Self-hostable
Vercel70Web DevelopmentSan Francisco, United States$687.5MOpen source
Logz.io69EnterpriseTel Aviv, Israel$132.0MOpen source · Self-hostable
Pinecone69AI InfrastructureSan Francisco, United States$138.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| ZeroTier | — | Open source | Palo Alto, USA | $29.4M | 57 | |
| Piiano | Enterprise | Open source | Tel Aviv, Israel | $9.0M | 54 | |
| ORY | Identity & Access Management | Open source · Self-hostable | Berlin, Germany | $17.0M | 47 | |
| TRTruffle Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 47 | |
| Slauth.io | Enterprise | Open source · Self-hostable | Ashburn, United States | $1.5M | 43 | |
| Cipherwake | Cybersecurity | Open source | Toronto, Canada | — | 30 | |
| Citcall | Cybersecurity | Open source | Jakarta, Indonesia | — | 10 | |
| Gako | Cybersecurity | Open source · Self-hostable | — | — | — | |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 | |
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 | |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 | |
| Chainguard | Cybersecurity | Open source · Self-hostable | Seattle, United States | $385.0M | 62 | |
| Stytch | Authentication | Open source | San Francisco, USA | $127.0M | 61 | |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 | |
| Steel.dev | Developer Tools | Open source · Self-hostable | Tel Aviv, Israel | $17.0M | 58 | |
| Wing Cloud | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 54 | |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 | |
| SecuredTouch | Biometrics | Open source | Denver, United States | $11.5M | 53 | |
| Infisical | Developer Tools | Open source · Self-hostable | San Francisco, United States | $34.8M | 51 | |
| Permit.io | Identity Management | Open source | Tel Aviv, Israel | $14.0M | 51 | |
| Arcade | Artificial Intelligence | Open source | San Francisco, USA | $60.0M | 48 | |
| FOForgeRock | Identity & Access Management (IAM) | Open source | San Francisco, United States | $220.0M | 48 | |
| LoginRadius | Identity & Access Management | Open source | Vancouver, Canada | — | 41 | |
| Runtime Verification | Software Verification | Open source | Champaign, United States | — | 41 | |
| LettaAI | Artificial Intelligence | Open source | San Francisco, United States | $1.5M | 38 | |
| TandemTrace | Agentic AI | Open source | — | — | 35 | |
| Google reCAPTCHA Enterprise | Cybersecurity | Open source | Mountain View, United States | — | 25 | |
| GeeTest CAPTCHA | Cybersecurity | Open source | Shanghai, China | — | 25 | |
| Anchor.dev | Cybersecurity | Open source | San Francisco, United States | — | 13 | |
| Gravitee | Cybersecurity | Open source | London, United Kingdom | — | 4 | |
| Legacy System Modernization | Open source | — | — | — | ||
| Umbrasec | Cybersecurity | Open source | — | — | — | |
| Ravenclaws | AI Agent | Open source | — | — | — | |
| Guardianlayer | Cybersecurity | Open source | San Francisco, United States | — | — | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 | |
| Polygon | Blockchain | Open source | Mumbai, India | $400.0M | 81 | |
| Cursor | Artificial Intelligence | Open source | San Francisco, United States | $2.9B | 80 | |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 | |
| Postman | API Development | Open source | San Francisco, United States | — | 78 | |
| TestMu AI (Formerly LambdaTest) | MLOps | Open source | San Francisco, United States | $121 | 77 | |
| Together AI | AI Infrastructure | Open source · Self-hostable | San Francisco, United States | $906.0M | 76 | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 | |
| Algolia | Search Technology | Open source | San Francisco, United States | $334.2M | 75 | |
| Stripe, Inc. | Billing | Open source | South San Francisco, United States | $11.4B | 72 | |
| Neon | Database | Open source | San Francisco, United States | $1.2B | 72 | |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 | |
| Temporal | Workflow Automation | Open source | Seattle, United States | $134.0M | 71 | |
| WorkOS | Developer Tools | Open source | San Francisco, United States | $198.0M | 71 | |
| Database | Open source · Self-hostable | San Francisco, United States | $933.0M | 70 | ||
| LALacework | AI | Open source | San Jose, United States | $1.3B | 70 | |
| OpenRouter | Infrastructure | Open source | San Francisco, United States | $153.5M | 70 | |
| Qdrant | Vector Database | Open source · Self-hostable | Berlin, Germany | $96.5M | 70 | |
| Vercel | Web Development | Open source | San Francisco, United States | $687.5M | 70 | |
| Logz.io | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $132.0M | 69 | |
| Pinecone | AI Infrastructure | Open source | San Francisco, United States | $138.0M | 69 |