Apache is a free and open-source cross-platform web server software.
Bandsintown Events Widget is a free widget which makes it simple to embed your event listings and allow fans to buy tickets, RSVP, follow you and join your Email & SMS lists.
Spotify Widgets provide an embeddable view of a track, artist, album, user, playlist, podcast or episode for use within your web project.
Varnish is a reverse caching proxy.