Olldbg beyond v2.01 ?

[atom0s]

Originally Posted by Uknow007

Which among them is best(in terms of User interface and experience), any suggestion?

'Best' is subjective and an opinion based thing to answer. Each tool offers its own set of features, expansion and so on. It comes down to personal taste and what kind of features you need/use to decide which will be 'best' for you specifically.

Some people prefer a more CLI approach like Softice was, while others prefer a UI experience.

Like QuakeGamer pointed out, if you are looking for an OllyDbg "replacement" go with x64dbg as it is very similar with a lot more features. (And supports both 32bit and 64bit.)

If you want something more old school / traditional in a command line sense, check out WinDbg.

Outside of that, you'd have to compare the features of the other various debuggers out there to find one that suites your needs. Some have various file support for certain architectures that may be of your needs while others will have basic features and offer nothing more. You could also check out more enhanced tools that offer a lot of different tools in one such as IDA.