Just made the switch to Linux from Windows (or even OS X?) and are having trouble finding software similar/equivalent to what you are used to?
Yes, the linux learning curve is steep but rewarding when you do start working it all out.
Here is a good website that lists the Windows/OS X software and the linux equivalents.
In a lot of cases there are multiple options which is good. You aren’t tied down to one thing which you may not like.