| Business Email & Productivity | |
| Proton Mail Encrypted email service focused on privacy | 490.3K sites |
| Security & Bot Defense | |
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| Nginx High-performance web server and reverse proxy widely deployed | 136.8M sites |
| other | |
| ACME/Let's Encrypt Free TLS certificates issued automatically over the ACME protocol | 11.7M sites |
| Ee-Estpak-Ipt | 46 sites |
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