pdflayer - Free, powerful HTML to PDF API supporting both URL and raw HTML conversion. Unlimited document size, lightning-fast and compatible PHP, Python, Ruby, etc.
Playlistful - Collaborative playlists for parties!
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents
volt.fm - See your Spotify stats, connect with 125k+ music fans, and discover new music.⠀volt.fm helps you experience Spotify in a totally new way.