- ASCII WWDC - WWDC session transcripts.
- NSHipster - Cocoa weekly from Mattt Thompson. Creator of AFNetworking.
- objc.io - Great resource where each issue consists of a collection posts that all focus on one over arching topic such as testing, Auto Layout, Swift, etc.
- Mike Ash - Self described as "Wizard without portfolio" Mike Ash is very widely read in the Cocoa community.
- Bill Bumgarner's Stack Overflow answers - Long time Apple developer who provides well written answers to some of the hairier questions on ObjC and iOS.
- iOS Dev Weekly - Excellent and widely read weekly that aggregates some of the best writing in the Cocoa developer community.
- Stable Kernel - Joe Conway, one of the original authors of BNR's Beginning iOS book and former BNR engineer and instructor.
- [Big Nerd Ran