Contacts, Notes, and Calendar are also Apple apps, and, well, yeah.
However, everything that Panic makes is incredible in both quality and Mac-ness. I use Transmit and love it, didn't think of it when making that list since it's not something you have open all of the time.
Then, look at Panic's iOS apps. They feel like iOS apps. Diet Coda and Coda are companion products, but they aren't identical. They each look and feel how an application on their respective platforms should feel (which is fairly open ended on iOS, but restrictive on OS X due to the shared desktop canvas).
Few other apps I use or have used in the past, non-Apple, fit in pretty well:
There was a lot of controversy when Tweetbot for iPhone was released and people were complaining about the same design thing, that it's not iOS-like and now a lot of people love it. But I see your point.
I've been using it since it first came out as alpha and I had no problem with the design choices especially because it looks a lot like the iPad app.
However, everything that Panic makes is incredible in both quality and Mac-ness. I use Transmit and love it, didn't think of it when making that list since it's not something you have open all of the time.
Then, look at Panic's iOS apps. They feel like iOS apps. Diet Coda and Coda are companion products, but they aren't identical. They each look and feel how an application on their respective platforms should feel (which is fairly open ended on iOS, but restrictive on OS X due to the shared desktop canvas).
Few other apps I use or have used in the past, non-Apple, fit in pretty well:
* Adium
* Colloquy
* Chrome
* NetNewsWire
* Reeder
* Sparrow