Open source focus
Open Source Alternatives to Shieldwall
60 open source Cybersecurity options similar to Shieldwall, 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.
Cipherwake30CybersecurityOpen source
Aqua Security69EnterpriseSan Francisco, United States$400.5MOpen source
Team Cymru62CybersecurityOrem, USA$63.0MOpen source
Knostic54Cybersecurity$14.3MOpen source
- TRTruffle Security47CybersecuritySan Francisco, United States$30.0M
Open source
Falco10CybersecurityOpen source · Self-hostable
GuardianlayerCybersecuritySan Francisco, United StatesOpen source
Teleport69CybersecurityOakland, United States$190.0MOpen source
SafeBreach69EnterpriseTel Aviv, Israel$140.5MOpen source
Aikido Security65CybersecurityGhent, Belgium$84.4MOpen source
RAD Security64CybersecurityTel Aviv, Israel$29.0MOpen source
Demisto62EnterpriseSan Francisco, United States$69.0MOpen source
Seemplicity61EnterpriseTel Aviv, Israel$182.0MOpen source
Twistlock60EnterpriseSan Francisco, United States$62.8MOpen source
Giskard60Artificial IntelligenceParis, France$2.5MOpen source
Tamnoon57EnterpriseTel Aviv, Israel$17.1MOpen source
Piiano54EnterpriseTel Aviv, Israel$9.0MOpen source
Ironblocks54EnterpriseTel Aviv, Israel$7.0MOpen source
Lightspin54EnterpriseTel Aviv, Israel$60.0MOpen source
KTrust54EnterpriseTel Aviv, Israel$5.3MOpen source
Mondoo50CybersecuritySan Francisco, United States$168.9MOpen source
Torch Security49CybersecurityLeawood, United StatesOpen source
ORY47Identity & Access ManagementBerlin, Germany$17.0MOpen source · Self-hostable
Mayhem Security45CybersecurityBethesda, United StatesOpen source
Paart40AI GovernanceSan Francisco, United StatesOpen source
Slauth.io38EnterpriseAshburn, United States$1.5MOpen source · Self-hostable
Google reCAPTCHA Enterprise25CybersecurityMountain View, United StatesOpen source
GeeTest CAPTCHA25CybersecurityShanghai, ChinaOpen source
Palo Alto Networks Cortex XDR23CybersecuritySanta Clara, United StatesOpen source
Controlsecurity18CybersecurityTel Aviv, IsraelOpen source
Aemetis15Climate TechCupertino, United StatesOpen source · Self-hostable
RSA10CybersecurityBedford, United StatesOpen source
MeritsecurityCybersecurityOpen source
UmbrasecCybersecurityOpen source
KernelscanCybersecurityOpen source · Self-hostable
Snyk85AI Coding AssistantBoston, United States$488.5MOpen source · Self-hostable
Forter85FintechNew York, United States$550.0MOpen source
Exabeam78EnterpriseFoster City, United States$390.0MOpen source
Vanta75CybersecuritySan Francisco, United States$154.0MOpen source
Tailscale74CybersecuritySan Francisco, United States$505.0MOpen source
Expel66CybersecurityHerndon, United States$267.8MOpen source
Coro65EnterpriseNew York, United States$235.0MOpen source
Perception Point65EnterpriseTel Aviv, Israel$38.0MOpen source
CyCognito63EnterprisePalo Alto, United States$153.0MOpen source
Oligo Security63EnterpriseTel Aviv, Israel$70.0MOpen source · Self-hostable
Lakera AI AG63AI SecurityBerlin, Germany$12.0MOpen source
Chainguard62CybersecuritySeattle, United States$385.0MOpen source · Self-hostable
Red Canary61CybersecurityDenver, United States$90.0MOpen source
FingerprintJS61Customer ServiceSan Francisco, United States$87.0MOpen source
Mend60Open SourceTel Aviv, Israel$121.5MOpen source · Self-hostable
Netography60CybersecurityColumbia, United States$35.0MOpen source
Clutch Security59CybersecuritySan Francisco, United States$10.0MOpen source
Netskope58CybersecuritySanta Clara, United States$1.5BOpen source
ARMO57EnterpriseTel Aviv, Israel$34.5MOpen source · Self-hostable
Boost Security57CybersecuritySan Francisco, USA$12.0MOpen source
Backslash Security57CybersecurityTel Aviv, Israel$27.0MOpen source
Ray Security57EnterpriseSan Francisco, United States$11.0MOpen source
Token Security57EnterpriseSan Francisco, United States$27.0MOpen source
Vijil55Agentic AISan Francisco, United States$17.0MOpen source
Pynt55CybersecurityTel Aviv, Israel$6.0MOpen source
| Company | Sector | License | HQ | Funding | Score |
|---|---|---|---|---|---|
| Cipherwake | Cybersecurity | Open source | — | — | 30 |
| Aqua Security | Enterprise | Open source | San Francisco, United States | $400.5M | 69 |
| Team Cymru | Cybersecurity | Open source | Orem, USA | $63.0M | 62 |
| Knostic | Cybersecurity | Open source | — | $14.3M | 54 |
| TRTruffle Security | Cybersecurity | Open source | San Francisco, United States | $30.0M | 47 |
| Falco | Cybersecurity | Open source · Self-hostable | — | — | 10 |
| Guardianlayer | Cybersecurity | Open source | San Francisco, United States | — | — |
| Teleport | Cybersecurity | Open source | Oakland, United States | $190.0M | 69 |
| SafeBreach | Enterprise | Open source | Tel Aviv, Israel | $140.5M | 69 |
| Aikido Security | Cybersecurity | Open source | Ghent, Belgium | $84.4M | 65 |
| RAD Security | Cybersecurity | Open source | Tel Aviv, Israel | $29.0M | 64 |
| Demisto | Enterprise | Open source | San Francisco, United States | $69.0M | 62 |
| Seemplicity | Enterprise | Open source | Tel Aviv, Israel | $182.0M | 61 |
| Twistlock | Enterprise | Open source | San Francisco, United States | $62.8M | 60 |
| Giskard | Artificial Intelligence | Open source | Paris, France | $2.5M | 60 |
| Tamnoon | Enterprise | Open source | Tel Aviv, Israel | $17.1M | 57 |
| Piiano | Enterprise | Open source | Tel Aviv, Israel | $9.0M | 54 |
| Ironblocks | Enterprise | Open source | Tel Aviv, Israel | $7.0M | 54 |
| Lightspin | Enterprise | Open source | Tel Aviv, Israel | $60.0M | 54 |
| KTrust | Enterprise | Open source | Tel Aviv, Israel | $5.3M | 54 |
| Mondoo | Cybersecurity | Open source | San Francisco, United States | $168.9M | 50 |
| Torch Security | Cybersecurity | Open source | Leawood, United States | — | 49 |
| ORY | Identity & Access Management | Open source · Self-hostable | Berlin, Germany | $17.0M | 47 |
| Mayhem Security | Cybersecurity | Open source | Bethesda, United States | — | 45 |
| Paart | AI Governance | Open source | San Francisco, United States | — | 40 |
| Slauth.io | Enterprise | Open source · Self-hostable | Ashburn, United States | $1.5M | 38 |
| Google reCAPTCHA Enterprise | Cybersecurity | Open source | Mountain View, United States | — | 25 |
| GeeTest CAPTCHA | Cybersecurity | Open source | Shanghai, China | — | 25 |
| Palo Alto Networks Cortex XDR | Cybersecurity | Open source | Santa Clara, United States | — | 23 |
| Controlsecurity | Cybersecurity | Open source | Tel Aviv, Israel | — | 18 |
| Aemetis | Climate Tech | Open source · Self-hostable | Cupertino, United States | — | 15 |
| RSA | Cybersecurity | Open source | Bedford, United States | — | 10 |
| Meritsecurity | Cybersecurity | Open source | — | — | — |
| Umbrasec | Cybersecurity | Open source | — | — | — |
| Kernelscan | Cybersecurity | Open source · Self-hostable | — | — | — |
| Snyk | AI Coding Assistant | Open source · Self-hostable | Boston, United States | $488.5M | 85 |
| Forter | Fintech | Open source | New York, United States | $550.0M | 85 |
| Exabeam | Enterprise | Open source | Foster City, United States | $390.0M | 78 |
| Vanta | Cybersecurity | Open source | San Francisco, United States | $154.0M | 75 |
| Tailscale | Cybersecurity | Open source | San Francisco, United States | $505.0M | 74 |
| Expel | Cybersecurity | Open source | Herndon, United States | $267.8M | 66 |
| Coro | Enterprise | Open source | New York, United States | $235.0M | 65 |
| Perception Point | Enterprise | Open source | Tel Aviv, Israel | $38.0M | 65 |
| CyCognito | Enterprise | Open source | Palo Alto, United States | $153.0M | 63 |
| Oligo Security | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $70.0M | 63 |
| Lakera AI AG | AI Security | Open source | Berlin, Germany | $12.0M | 63 |
| Chainguard | Cybersecurity | Open source · Self-hostable | Seattle, United States | $385.0M | 62 |
| Red Canary | Cybersecurity | Open source | Denver, United States | $90.0M | 61 |
| FingerprintJS | Customer Service | Open source | San Francisco, United States | $87.0M | 61 |
| Mend | Open Source | Open source · Self-hostable | Tel Aviv, Israel | $121.5M | 60 |
| Netography | Cybersecurity | Open source | Columbia, United States | $35.0M | 60 |
| Clutch Security | Cybersecurity | Open source | San Francisco, United States | $10.0M | 59 |
| Netskope | Cybersecurity | Open source | Santa Clara, United States | $1.5B | 58 |
| ARMO | Enterprise | Open source · Self-hostable | Tel Aviv, Israel | $34.5M | 57 |
| Boost Security | Cybersecurity | Open source | San Francisco, USA | $12.0M | 57 |
| Backslash Security | Cybersecurity | Open source | Tel Aviv, Israel | $27.0M | 57 |
| Ray Security | Enterprise | Open source | San Francisco, United States | $11.0M | 57 |
| Token Security | Enterprise | Open source | San Francisco, United States | $27.0M | 57 |
| Vijil | Agentic AI | Open source | San Francisco, United States | $17.0M | 55 |
| Pynt | Cybersecurity | Open source | Tel Aviv, Israel | $6.0M | 55 |