A flat light theme for GTK 3 including Cinnamon, Unity, Gnome, etc.

linux for humans

Official Repository of the B00merang Collection

Home of the B00merang Redmond Collection themes for Linux

A neon flat theme based on arc-theme

Theme for Linux

Home for the Linux theme emulating Chrome OS

Android theme (based on Chrome OS code)

iOS theme for Linux desktops

Mac OS theme with the Aqua design guidelines

OS X Leopard with Aqua-styled GTK widgets

Old-fashioned theme based on overall appearance of OS X Mavericks

Package of a Unity 7 theme (mainly for gnome)

Theme mimicking Unity 8's design

Windows 10 Light theme for Linux (GTK)

Dark variant of Windows 10 theme

A port of the Whistler theme that eventually got replaced by Luna in Windows 2001 (XP)

Windows XP themes

macOS theme for Gnome and GTK-based desktops

Dark version of macOS theme