Open source focus
Open Source Alternatives to CyberGhost VPN
60 open source Cybersecurity options similar to CyberGhost VPN, 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.
OpenAI84Artificial IntelligenceSan Francisco, United States$493.9BOpen source
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
Osaurus71Artificial IntelligenceSan Francisco, USA$63.0MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Corelight67Network SecuritySan Francisco, United States$284.2MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Brave63Web BrowserSan Francisco, United States$92.1MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Twingate61CybersecurityRedwood City, United States$62.0MOpen source
Netography60CybersecurityColumbia, United States$35.0MOpen source
Netskope58CybersecuritySanta Clara, United States$1.5BOpen source
Palo Alto Networks Israel Holdings54Cybersecurityתל אביב - יפו, IsraelOpen source
Lightcyber53EnterpriseTel Aviv, Israel$35.0MOpen source
Vectra AI50CybersecuritySan Jose, USA$10.0MOpen source
Appgate50CybersecurityMiami, United StatesOpen source
Meta Networks50Wide Area Network (WAN)San Jose, United States$10.0MOpen source
Bitwarden48CybersecuritySanta Barbara, United States$130.0MOpen source · Self-hostable
Sentry48AI Tools & Apps$1.0MOpen source
MalantAI46CybersecurityTel Aviv, IsraelOpen source
- CECensys41CybersecurityAnn Arbor, United States$50.0M
Open source
Automata Network38BlockchainSingapore, Singapore$1.0MOpen source
Mycroft AI38Voice AssistantKansas City, United States$4.0MOpen source · Self-hostable
Codavel38CybersecurityPorto, PortugalOpen source
Nestlogic37ComputingSan Francisco, United StatesOpen source
Poseidon36Decentralized IdentityTel Aviv, Israel$18.0MOpen source
Open Bitcoin Tracker32FintechOpen source · Self-hostable
Motoro Security26AutomotiveTel Aviv, IsraelOpen source
Atomic Chat19On-Device AIOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
PrivateGPT5AI Search EngineToronto, CanadaOpen source · Self-hostable
ExploitshieldCybersecurityOpen source
Tosly.onlineAgentic AIOpen source
- Fed LabsDigital IdentitySan Francisco, United States
Open source
- FunbuttonVoice AI
Open source
Off GridEdge AIOpen source · Self-hostable
ESETCybersecurityBratislava, SlovakiaOpen source
KryptvaktCybersecurityOpen source
GrapheneOSOperating SystemToronto, CanadaOpen source · Self-hostable
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
eToro85FintechLimassol, Cyprus$524.0MOpen source
1Password85CybersecurityToronto, Canada$1.2BOpen source
WWT85CybersecuritySt. Louis, USA$63.0MOpen source
Forter85FintechNew York, United States$550.0MOpen source
Netflix81Media & EntertainmentLos Gatos, USA$4.7BOpen source
Okta79SaaSSan Francisco, United States$187.0MOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen source
Strava76Fitness TrackingSan Francisco, United States$237.5MOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Auth075Identity & Access Management (IAM)Bellevue, United States$282.4MOpen source
StarkWare73BlockchainTel Aviv, Israel$180.0MOpen source
Moon Active72GamingTel Aviv, Israel$425.0MOpen source
Perplexity AI71Search EngineSan Francisco, United States$591.4MOpen source
Arena71Artificial IntelligenceBerkeley, USA$250.0MOpen source
- LALacework70AISan Jose, United States$1.3B
Open source
Crunchbase70DataSan Francisco, United StatesOpen source
Faye70TravelNew York, United States$49.0MOpen source
Sysdig69CybersecuritySan Francisco, USA$608.0MOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
Talon Cyber Security69EnterpriseNew York, United States$126.0MOpen source
XBOW69CybersecuritySeattle, United States$215.0MOpen source
| Company | Sector | License | HQ | Funding | Score | Website |
|---|---|---|---|---|---|---|
| OpenAI | Artificial Intelligence | Open source | San Francisco, United States | $493.9B | 84 | |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 | |
| Osaurus | Artificial Intelligence | Open source | San Francisco, USA | $63.0M | 71 | |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 | |
| Corelight | Network Security | Open source | San Francisco, United States | $284.2M | 67 | |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 | |
| Brave | Web Browser | Open source | San Francisco, United States | $92.1M | 63 | |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 | |
| Twingate | Cybersecurity | Open source | Redwood City, United States | $62.0M | 61 | |
| Netography | Cybersecurity | Open source | Columbia, United States | $35.0M | 60 | |
| Netskope | Cybersecurity | Open source | Santa Clara, United States | $1.5B | 58 | |
| Palo Alto Networks Israel Holdings | Cybersecurity | Open source | תל אביב - יפו, Israel | — | 54 | |
| Lightcyber | Enterprise | Open source | Tel Aviv, Israel | $35.0M | 53 | |
| Vectra AI | Cybersecurity | Open source | San Jose, USA | $10.0M | 50 | |
| Appgate | Cybersecurity | Open source | Miami, United States | — | 50 | |
| Meta Networks | Wide Area Network (WAN) | Open source | San Jose, United States | $10.0M | 50 | |
| Bitwarden | Cybersecurity | Open source · Self-hostable | Santa Barbara, United States | $130.0M | 48 | |
| Sentry | AI Tools & Apps | Open source | — | $1.0M | 48 | |
| MalantAI | Cybersecurity | Open source | Tel Aviv, Israel | — | 46 | |
| CECensys | Cybersecurity | Open source | Ann Arbor, United States | $50.0M | 41 | |
| Automata Network | Blockchain | Open source | Singapore, Singapore | $1.0M | 38 | |
| Mycroft AI | Voice Assistant | Open source · Self-hostable | Kansas City, United States | $4.0M | 38 | |
| Codavel | Cybersecurity | Open source | Porto, Portugal | — | 38 | |
| Nestlogic | Computing | Open source | San Francisco, United States | — | 37 | |
| Poseidon | Decentralized Identity | Open source | Tel Aviv, Israel | $18.0M | 36 | |
| Open Bitcoin Tracker | Fintech | Open source · Self-hostable | — | — | 32 | |
| Motoro Security | Automotive | Open source | Tel Aviv, Israel | — | 26 | |
| Atomic Chat | On-Device AI | Open source | — | — | 19 | |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 | |
| PrivateGPT | AI Search Engine | Open source · Self-hostable | Toronto, Canada | — | 5 | |
| Exploitshield | Cybersecurity | Open source | — | — | — | |
| Tosly.online | Agentic AI | Open source | — | — | — | |
| Digital Identity | Open source | San Francisco, United States | — | — | ||
| Voice AI | Open source | — | — | — | ||
| Off Grid | Edge AI | Open source · Self-hostable | — | — | — | |
| ESET | Cybersecurity | Open source | Bratislava, Slovakia | — | — | |
| Kryptvakt | Cybersecurity | Open source | — | — | — | |
| GrapheneOS | Operating System | Open source · Self-hostable | Toronto, Canada | — | — | |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 | |
| eToro | Fintech | Open source | Limassol, Cyprus | $524.0M | 85 | |
| 1Password | Cybersecurity | Open source | Toronto, Canada | $1.2B | 85 | |
| WWT | Cybersecurity | Open source | St. Louis, USA | $63.0M | 85 | |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 | |
| Netflix | Media & Entertainment | Open source | Los Gatos, USA | $4.7B | 81 | |
| Okta | SaaS | Open source | San Francisco, United States | $187.0M | 79 | |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 | |
| Strava | Fitness Tracking | Open source | San Francisco, United States | $237.5M | 76 | |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 | |
| Auth0 | Identity & Access Management (IAM) | Open source | Bellevue, United States | $282.4M | 75 | |
| StarkWare | Blockchain | Open source | Tel Aviv, Israel | $180.0M | 73 | |
| Moon Active | Gaming | Open source | Tel Aviv, Israel | $425.0M | 72 | |
| Perplexity AI | Search Engine | Open source | San Francisco, United States | $591.4M | 71 | |
| Arena | Artificial Intelligence | Open source | Berkeley, USA | $250.0M | 71 | |
| LALacework | AI | Open source | San Jose, United States | $1.3B | 70 | |
| Crunchbase | Data | Open source | San Francisco, United States | — | 70 | |
| Faye | Travel | Open source | New York, United States | $49.0M | 70 | |
| Sysdig | Cybersecurity | Open source | San Francisco, USA | $608.0M | 69 | |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 | |
| Talon Cyber Security | Enterprise | Open source | New York, United States | $126.0M | 69 | |
| XBOW | Cybersecurity | Open source | Seattle, United States | $215.0M | 69 |