So what’s the difference between this and Ultrastar Deluxe? https://usdx.eu/. Source: over 1 year ago

UltraStar Deluxe is a good and free SingStar clone. You have to provide your own songs, though. Source: over 2 years ago

Https://usdx.eu/ - works, rather old, abandoned. Source: almost 3 years ago

Well, you have https://www.karaoke-forever.com/, which you could probably host and get setup or, if it's not as important for you to have it self-hosted to access everywhere but just "self-hosted" on a local machine, you have https://usdx.eu/, which I believe is the closest to what you will find of Singstar. Source: almost 3 years ago

We're using https://hellonext.co/ right now and is pretty solid for how cheap it is. Source: 11 months ago

Then we also have a public roadmap and feedback board with hello next. Source: about 1 year ago

You’re talking about an API or embeddable feedback form like https://hellonext.co/ has? Source: about 2 years ago

Try Hellonext (https://hellonext.co). They seem to be doing really good. Source: over 2 years ago

Fell in love with the design of Hellonext — https://hellonext.co/. Source: over 3 years ago