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.

vdNote - Share noteworthy moments from YouTube videos.

Upcoming.org - A simple way to share and discover interesting events

YouDict - YouTube dictionary to search words, expressions & names

Colloq.io - Discover a new way to the conferences you like.

Summary Panda - Remove annoying 'blah blah blah' parts of YouTube videos.