BAT, ENJ, DENT definitely, the magic trio.

They are simply the strongest and uncontested altcoins by large.

There aren’t even any other coins close to those.

There are Theta, QKC, HOLO, IOTA, NEXO, RVN that also have potential to compete with the magic trio, but they still have to show a lot of adoption and reach large milestones before they can compete with them.

You can read here for more detail on them MK's answer to Do you have faith in DENT to be placed on top 50 or even top 25?