are there any variations of the Sicilian without much theory?

@18

For black: Hyperaccelerated Dragon 2...g6, Kalashnikov 2...Nc6 3 d4 cxd4 4 Nxd4 e5, O-Kelly 2...a6, Rubinstein 2...Nf6

For white: Closed 2 Nc3, Grand Prix 2 f4, Alapin 2 c3

Do you think that the guy is still looking for an answer to a question he asked 7 years ago?

people who are answering now are not answering the OP but anyone who has the same question as the OP

Najdorf has no theory

I play the wing attack because it pretty straight forward in the open, closed, Grand Prix and Bowdler Attack.

Other lines in the anti-Sicilian, I am looking to liberate the opening with d5 which is equalizing in most cases.

meh I just play alapin (if thats how u spell it)

I'd say with absolute certainty that every person on this entire forum would rather read my response than what you just posted!

With the help of an engine and careful analysis you can develop theory in pretty much any line. But if your goal is to escape mainline theory... you should play some rare sicilian. The Nimzowitsch defense is probably the best shot here. I played it a while - it's very underestimated, and I scored very well when I played it. I think I got the main line like 2-3 times and I probably played 1-2 hundred games or so.

Since you enter it on move 2 you will avoid alot of anti-sicilians. You only need to know how to deal with the move 2 sicilians, i.e. the alapin, the closed sicilian, the smith morra... but even here the nimzowitsch does extremely well - against the alapin the Nf6 line is a very similar structure to the nimzowitsch defense itself, and I believe sometimes they even can transpose. Likewise you can transpose the smith-morra into the alapin. And the closed sicilian can also enter the nimzowitsch in some e6 lines... which is my favorite way of responding to the closed sicilian, since it can get powerful attacks against the fiancetto lines. Which means you're almost always getting some nimzowitsch-like structure even against the main anti sicilians. I'd say the nimzowitsch is the ultimate way of dealing with anti-sicilians.