That's just a subset of what I saw scanning my /Applications, and I don't specifically look out for replacing existing software with free (whether freedom or beer) applications.
Adium is basically abandoned and cyberduck has always been a clusterfuck by virtue of being a Java app. As such the UX is terrible. If I'd paid for either I'd want my money back.
Mac's third party app lineup is just so much better than Windows in my opinion, I don't care what OS to use but not going to leave Mac because of them.
Windows culture of free but mediocre or good but bloated and expensive never really hits the right spot.
That's just a subset of what I saw scanning my /Applications, and I don't specifically look out for replacing existing software with free (whether freedom or beer) applications.