Calendify - Calendify is an event community where you can share, publish, and subscribe to event calendars. It helps you to stay informed about what you are interested in and what is yet to come.
Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
Upcoming.org - A simple way to share and discover interesting events
Yout - YouTube to Mp3 Converter
Colloq.io - Discover a new way to the conferences you like.
You-Get - Command-line utility to download media contents from the web