頻繁に使っているiOSライブラリやフレームワーク

Title	Subtitle	First Opinion	Second Opinions
Swift Extension		SwiftExtensions
API Client	HTTP	PromiseKit + Moya + Alamofire + Result + Codable	NSURLSession
	Fetching image	Nuke	Kingfisher
JSON Model Genelater		JSONExport.app
JSON Mapping		Codable
Data Store	UserDefaults	NSUserDefaults
	Property List	NSPropertyList
	Keychain	KeychainAccess	none (Firebase Authenticationで担保)
	DB	Realm	CoreData + MagicalRecord + mogenerator
	FileManager	Disk	NSFileManager
	Secure Key-Value injection	cocoapods-keys (fastlane対応)
リソースの静的型付け		R.swift
Blocks		PromiseKit
UI Closure		Closurable
Alert	Alert	UIAlertController.Alert
	ActionSheet	UIAlertController.ActionSheet
	HUD
WebView		WKWebView	SFSafariViewController
License		LicensePlist	TRZSlideLicenseViewController
Push通知		Apple Push Notification Service (APNs)	AWS, Firbase
アプリ内課金		In-App Purchase
Unit Test		Quick + Nimble	XCTest + XCUITest
Analytics		Firebase	Google Analytics
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Crash Report		Fabric + Crashlytics
Code Analysis		SwiftLint

FYI

• Swiftの有名画像キャッシュライブラリを比較してみた - Qiita