CONV. - Convert YouTube video to MP3, GIF or MP4
Headspace - Meditation made simple. Brilliant things happen in calm minds.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Synctuition Meditation Program - Synctuition Meditation Program is a world’s most leading meditation app that comes with brand new 3D sounds that enhance the quality of sleep significantly.
Yout - YouTube to Mp3 Converter
Calm - Calm.com can help you reduce stress and increase calm.