Ring4 - Manage business phone line as easily as you manage emails, in the cloud. Ring4 provide you with a business line and video conferencing solution.

Yokee - Karaoke to YouTube videos

SpotMenu - Spotify and iTunes in your macOS menu bar

Karaoke 5 - karaoke 5 software - Excellent Player and Creator of file Karaoke. Karaoke.  Professional karaoke program. Free karaoke program.

OpenPhone - Simplest way to own a business phone number

Karaoke Player - KaraFun Player is the most advanced karaoke player: cool animations, pitch & tempo change, live effects, backing vocals...