Many Mac apps are beautiful to look at — while other operating systems have beautiful apps, design is a bigger factor for the platform’s developers. And, a lot of the time, these apps are wonderful to use too – their fantastic design being part of a carefully-considered UI that engages users and makes the apps truly useful.

With so many apps being developed for the Mac, by amateurs and professionals alike, it is hard to stand out and innovate. Gathered in this collection are forty examples of apps that have tried to push the boundaries with their designs.

Begin list

iDocument

MiStat

HyperPDF

Mental Case

Spectrum

Lucid

Chronicle

Retickr

Paintcode

Thoughts

Tangerine!

Hibari

Courier

Pulp

Screeny

Wunderlist

Griddle

The Hit List

Midnight Inbox

ScreenFlow

Tags

Billings Pro

XScope

Scrivener

FontCase

Propane

Kousek 2

Day One

Ecoute

Plex

WriteRoom

Espresso

DaisyDisk

OmmWriter

Evernote 5 (Beta)

LaunchWrite

Tweetbot

OnlyTasks

TuneUp

Cockpit

Image Credit: Anne-Christine Poujoulat/Getty Images