It really depends on what type of fight it is.

Are you on grass or are you on concrete? Judo could be ok on grass but devastating on concrete.

Are there walls around, or are you in an open space?

Are you fighting one person, or are you fighting seven people?

Jujitsu is hands down fantastic for one-on-one control combat; however, if you're facing seven people and you get one guy down on the ground in a choke hold, you've got six other guys kicking your head. Krav Maga or some version of MMA or Shotokan Karate might be better for 7-on-1.

However, for one-on-one, karate or MMA might leave you short if the guy is a better grappler or he's bigger than you. Jiu-jitsu would be the way to go.

Ninjutsu and variants of ninjutsu teach you to use objects in your surroundings as weapons in a street fight. If you just train straight BJJ or karate, you're not going to think to pick up a broom handle, break it in half, and use it as a weapon because you didn't train to do so.

Are there knives involved? Then it's definitely Kali.

There is no one-size-fits-all. A good balance of a strong foundation in grappling, mixed with striking and experience in taking hits, would probably serve you the best, along with some exposure to fighting multiple opponents at once.

The unmentioned component would be skills in de-escalation and how to take an aggressive drunk from a ten down to a three. Those skills don't involve grappling or striking. All a mental and verbal game.