Compared against the top-rated Firewall & WAF tools on price, rating and free-tier availability.
AI-based open source WAF open-appsec is founded 2015, Remote.
If any of these matter for your use case, the alternatives below may be a better fit.
| Tool | Rating | From | Free tier | Trial | |
|---|---|---|---|---|---|
| open-appsec (this one) | 4.2 | Free | ✓ | ✓ | |
| Cloudflare WAF Cloudflare WAF protects against SQL injection, XSS, and OWASP Top 10 threats. Available on the free plan with basic rule |
4.7 | Free / $25/month | ✓ | ✓ | Details |
| AWS WAF AWS WAF integrates natively with CloudFront, ALB, and API Gateway. Pay-per-rule pricing with managed rulesets from AWS a |
4.3 | From $5/month | — | ✓ | Details |
| Azure Front Door WAF Microsoft's cloud WAF service |
4.2 | From $0.35/rule/month | ✓ | ✓ | Details |
| Tailscale Zero config VPN using WireGuard |
4.2 | Free / $18/user/month | ✓ | ✓ | Details |
| Wallarm AI-native API security and WAF |
4.2 | Free / $50k/year | ✓ | ✓ | Details |
