hnumaster's Stars
Ink/ThatPhoto
ThatPhoto is an app that lets you view and edit your photos
BigZaphod/Chameleon
Chameleon is a port of Apple's UIKit for iOS (and some minimal related frameworks) to Mac OS X.
sbooth/SFBPopovers
Customizable popover windows for macOS
timthedevguy/BGHUDAppKit
* BGHUDAPPKIT is no longer under development by me, I hope that the community will keep it alive and going as I no longer have time to dedicate to the project** The missing HUD controls. Please scroll down to read the readme file for an important notice concerning the future of BGHUDAppKit. Note that there are multiple versions available, 10.5+, 10.6.7, and now 10.7. As soon as I learn how I'll make these all one code base if possible.
indragiek/SNRHUDKit
Code drawn AppKit HUD interface elements
sonoramac/Sonora
A minimal, beautifully designed music player for OS X.
hnumaster/MRSubtleButton
A subtle gradient button, derived from NSView.
jeffhodnett/JHSpeechBubble
A simple Core Graphics speech bubble
nst/CocoaSlideShow
Simple Image Browser for Mac OS X
BradLarson/GPUImage
An open source iOS framework for GPU-based image and video processing