Things I find useful

Security

• LuLu - a firewall for macOS that presents a pop-up when any program tries to make an outgoing connection

Swift

• Gosh Darn Format Style - demonstrates the many ways to use FormatStyle in Swift to format numbers, dates, times, durations, measurements, and more

SwiftUI

• Fatbobman - frequently posted articles exploring the inner workings of Swift and SwiftUI
• SwiftUI Lab - less frequent, but another great resource to explore the undocumented parts of SwiftUI
• Kavsoft - a YouTube channel that creates views in SwiftUI that I thought weren’t possible

When submitting apps to Apple

• Bakery - a free app that generates all required resolutions for an App Store icon (drag your icon file into the rounded rectangle, then click generate icons)
• App Store icon resolutions - the resolutions for App Store icons
• App Store screenshot resolutions - the resolutions for App Store screenshots
• App Store preview resolutions - the resolutions and formats for the optional videos added alongside App Store screenshots