Useful App Development Resources List for iOS, watchOS, tvOS and macOS Developers
List gathered by the Apps-Top.com Team

Apple Developer Main Resourses 

developer.apple.com – Official Apple Developer Portal
itunesconnect.apple.com – iTunes Connect
forums.developer.apple.com – Apple Developer Forums
developer.apple.com/xcode – XCode
App Distribution Guide

App Store Guidlines – Guidlines by Apple to provide better experience for users

Review Guidlines
Review Guidlines Resources
App Store Review Guidlines
App Review Guidlines – The Comic Book

Apple Human Interface Guidlines:
iOS Human Interface Guidlines
watchOS Human Interface Guidlines
tvOS Human Interface Guidlines
macOS Human Interface Guidlines

Apple Marketing Guidlines
App Store Marketing Guidlines
Mac App Store Marketing Guidlines

App Store Business Guidlines

Making Great Apps for the App Store
Planning App Store business

WWDC – Apple World Wide Developers Conference

WWDC Site
Apple Design Awards

Useful Resourses for iOS, watchOS, tvOS, macOS Developers

Stack Overflow

UI Resourses for iOS, watchOS, tvOS, macOS Developers

Cocoa Controls

Swift : Main Resources *

Swift Programming Language Resourses List
Swift Playgrounds
Swift.org

iOS Development Subscriptions (Mailing Lists)

iosdevweekly.com – hand-picked round up of the best iOS development links every week. Curated by Dave Verwer and published every Friday. Free.

iOS, macOS, tvOS, watchOS Tutorials *

raywenderlich.com – popular resource with free and paid tutorials for iOS, macOS Development

*- for Swift only resources, tutorials and courses list check this page with Swift Resources List

Meetings for iOS, tvOS, watchOS, macOS Developers:

cocoaheads.org – international Cocoa Club for Developers

iOS, tvOS, watchOS, macOS Conferences:

WWDC – Apple Developers Conference
CocoaConf – a touring training conference for iPhone, iPad, and Mac developers.
RWDevCon – Ray Wenderlich Tutorial Conference

List gathered by the Apps-Top.com Team