My favorite is Bext (Byte Exchange Token). I believe it will be great level in the future. It is center of Bytedex ecosystem.

You can review about Bytedex in this topic👇🏻
https://bitcointalk.org/index.php?topic=5424978.0

You can see more details about Bext and it's utilities in that topic👇🏻
https://bitcointalk.org/index.php?topic=5425040.0

It is like a secret treasure for me )