1
Snyk Free tier

Developer security platform for finding and fixing vulnerabilities in code and dependencies.

Free for open source · Free Developers wanting automated vulnerability scanning
Code Scanning Dependencies Container IaC
2
Cloudflare Free tier

Web performance and security company providing CDN, DDoS protection, and edge computing.

Generous free plan · Free Any website wanting CDN, security, and performance
CDN DDoS Protection WAF Workers
3
Tailscale Free tier

Zero-config VPN built on WireGuard for secure access to devices and services.

Free for 100 devices · Free Teams wanting zero-config VPN and secure networking
WireGuard VPN Zero Config ACLs MagicDNS

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