Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source software.
Phusion Passenger is a free web server and application server with support for Ruby, Python and Node.js.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Svelte is a free and open-source front end compiler created by Rich Harris and maintained by the Svelte core team members.