Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Spotify Widgets provide an embeddable view of a track, artist, album, user, playlist, podcast or episode for use within your web project.