FreeBSD is a free and open-source Unix-like operating system.
H2O is a fast and secure HTTP/2 server written in C by Kazuho Oku.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.