Open source focus
Open Source Alternatives to Singleauth
60 open source Identity & Access options similar to Singleauth, 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.
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
Stytch61AuthenticationSan Francisco, USA$127.0MOpen source
Okta79SaaSSan Francisco, United States$187.0MOpen source
Slauth.io43EnterpriseAshburn, United States$1.5MOpen source · Self-hostable
Citcall10CybersecurityJakarta, IndonesiaOpen source
ORY47Identity & Access ManagementBerlin, Germany$17.0MOpen source · Self-hostable
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Token Security57EnterpriseSan Francisco, United States$27.0MOpen source
Descope54EnterpriseSan Francisco, United States$53.0MOpen source
Piiano54EnterpriseTel Aviv, Israel$9.0MOpen source
SecuredTouch53BiometricsDenver, United States$11.5MOpen source
Appgate50CybersecurityMiami, United StatesOpen source
- FOForgeRock48Identity & Access Management (IAM)San Francisco, United States$220.0M
Open source
- TRTruffle Security47CybersecuritySan Francisco, United States$30.0M
Open source
Cipherwake30CybersecurityToronto, CanadaOpen source
GeeTest CAPTCHA25CybersecurityShanghai, ChinaOpen source
SSL.com25CybersecurityTacoma, United StatesOpen source
Google reCAPTCHA Enterprise25CybersecurityMountain View, United StatesOpen source
Controlsecurity18CybersecurityTel Aviv, IsraelOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
- ZAzauth10CybersecurityTel Aviv, Israel
Open source
GakoCybersecurityOpen source · Self-hostable
IPQualityScoreCybersecurityPhiladelphia, United StatesOpen source
Re VerifyWebsite VerificationOpen source
MeritsecurityCybersecurityOpen source
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
WorkOS71Developer ToolsSan Francisco, United States$198.0MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
- YUYubico63CybersecurityStockholm, Sweden
Open source
Chainguard62CybersecuritySeattle, United States$385.0MOpen source · Self-hostable
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Red Canary61CybersecurityDenver, United States$90.0MOpen source
FingerprintJS61Customer ServiceSan Francisco, United States$88.0MOpen source
Ping Identity60Identity & Access Management (IAM)Denver, United States$111.0MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Steel.dev58Developer ToolsTel Aviv, Israel$17.0MOpen source · Self-hostable
- CLClerk56Developer ToolsSan Francisco, United States$69.0M
Open source
Knostic54Cybersecurity$14.3MOpen source
Wing Cloud54EnterpriseTel Aviv, Israel$20.0MOpen source · Self-hostable
Lunar.dev53EnterpriseTel Aviv, Israel$6.0MOpen source
LoginRadius53Identity & Access ManagementVancouver, CanadaOpen source
Permit.io51Identity ManagementTel Aviv, Israel$14.0MOpen source
Infisical51Developer ToolsSan Francisco, United States$34.8MOpen source · Self-hostable
Torch Security49CybersecurityLeawood, United StatesOpen source
Bitwarden48CybersecuritySanta Barbara, United States$130.0MOpen source · Self-hostable
Arcade48Artificial IntelligenceSan Francisco, USA$60.0MOpen source
AppViewX47CybersecurityNashua, USA$2.0MOpen source
Runtime Verification41Software VerificationChampaign, United StatesOpen source
LettaAI38Artificial IntelligenceSan Francisco, United States$1.5MOpen source
TandemTrace35Agentic AIOpen source
Firebase33Mobile DevelopmentSan Francisco, United States$5.0MOpen source
Crossid.io24Zero TrustTel Aviv, IsraelOpen source
Anchor.dev13CybersecuritySan Francisco, United StatesOpen source
RSA10CybersecurityBedford, United StatesOpen source
Gravitee4CybersecurityLondon, United KingdomOpen source
GuardianlayerCybersecuritySan Francisco, United StatesOpen source
BunsyDeveloper ToolsOpen source
ClerkzAuthenticationSan Francisco, United StatesOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 | |
| Stytch | Authentication | Open source | San Francisco, USA | $127.0M | 61 | |
| Okta | SaaS | Open source | San Francisco, United States | $187.0M | 79 | |
| Slauth.io | Enterprise | Open source · Self-hostable | Ashburn, United States | $1.5M | 43 | |
| Citcall | Cybersecurity | Open source | Jakarta, Indonesia | — | 10 | |
| ORY | Identity & Access Management | Open source · Self-hostable | Berlin, Germany | $17.0M | 47 | |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| Token Security | Enterprise | Open source | San Francisco, United States | $27.0M | 57 | |
| Descope | Enterprise | Open source | San Francisco, United States | $53.0M | 54 | |
| Piiano | Enterprise | Open source | Tel Aviv, Israel | $9.0M | 54 | |
| SecuredTouch | Biometrics | Open source | Denver, United States | $11.5M | 53 | |
| Appgate | Cybersecurity | Open source | Miami, United States | — | 50 | |
| FOForgeRock | Identity & Access Management (IAM) | Open source | San Francisco, United States | $220.0M | 48 | |
| TRTruffle Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 47 | |
| Cipherwake | Cybersecurity | Open source | Toronto, Canada | — | 30 | |
| GeeTest CAPTCHA | Cybersecurity | Open source | Shanghai, China | — | 25 | |
| SSL.com | Cybersecurity | Open source | Tacoma, United States | — | 25 | |
| Google reCAPTCHA Enterprise | Cybersecurity | Open source | Mountain View, United States | — | 25 | |
| Controlsecurity | Cybersecurity | Open source | Tel Aviv, Israel | — | 18 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| ZAzauth | Cybersecurity | Open source | Tel Aviv, Israel | — | 10 | |
| Gako | Cybersecurity | Open source · Self-hostable | — | — | — | |
| IPQualityScore | Cybersecurity | Open source | Philadelphia, United States | — | — | |
| Re Verify | Website Verification | Open source | — | — | — | |
| Meritsecurity | Cybersecurity | Open source | — | — | — | |
| 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 | |
| WorkOS | Developer Tools | Open source | San Francisco, United States | $198.0M | 71 | |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 | |
| YUYubico | Cybersecurity | Open source | Stockholm, Sweden | — | 63 | |
| Chainguard | Cybersecurity | Open source · Self-hostable | Seattle, United States | $385.0M | 62 | |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 | |
| Red Canary | Cybersecurity | Open source | Denver, United States | $90.0M | 61 | |
| FingerprintJS | Customer Service | Open source | San Francisco, United States | $88.0M | 61 | |
| Ping Identity | Identity & Access Management (IAM) | Open source | Denver, United States | $111.0M | 60 | |
| 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 | |
| CLClerk | Developer Tools | Open source | San Francisco, United States | $69.0M | 56 | |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 | |
| Wing Cloud | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $20.0M | 54 | |
| Lunar.dev | Enterprise | Open source | Tel Aviv, Israel | $6.0M | 53 | |
| LoginRadius | Identity & Access Management | Open source | Vancouver, Canada | — | 53 | |
| Permit.io | Identity Management | Open source | Tel Aviv, Israel | $14.0M | 51 | |
| Infisical | Developer Tools | Open source · Self-hostable | San Francisco, United States | $34.8M | 51 | |
| Torch Security | Cybersecurity | Open source | Leawood, United States | — | 49 | |
| Bitwarden | Cybersecurity | Open source · Self-hostable | Santa Barbara, United States | $130.0M | 48 | |
| Arcade | Artificial Intelligence | Open source | San Francisco, USA | $60.0M | 48 | |
| AppViewX | Cybersecurity | Open source | Nashua, USA | $2.0M | 47 | |
| 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 | |
| Firebase | Mobile Development | Open source | San Francisco, United States | $5.0M | 33 | |
| Crossid.io | Zero Trust | Open source | Tel Aviv, Israel | — | 24 | |
| Anchor.dev | Cybersecurity | Open source | San Francisco, United States | — | 13 | |
| RSA | Cybersecurity | Open source | Bedford, United States | — | 10 | |
| Gravitee | Cybersecurity | Open source | London, United Kingdom | — | 4 | |
| Guardianlayer | Cybersecurity | Open source | San Francisco, United States | — | — | |
| Bunsy | Developer Tools | Open source | — | — | — | |
| Clerkz | Authentication | Open source | San Francisco, United States | — | — |