The Composable Architecture is a library for building applications with state management, composition, side effects, and testing in mind. It can be used with SwiftUI, UIKit, and more.

Time simplifies working with calendars in Swift, providing type-safe APIs for retrieving and formatting time values. It also allows converting between time zones and calculating differences between dates.

BluetoothLinux makes working with Bluetooth from Swift easier without needing to wrap underlying libraries from other languages.

MemberwiseInit is a Swift Macro that enhances automatic memberwise initializers, reducing boilerplate code. It supports customizable parameter labels and inferring types from property initialization expressions.

SwiftyGPIO is a Swift library for interacting with external sensors and devices on Linux/ARM boards. It supports GPIOs, SPI, I2C, PWM, UART, and 1-Wire interfaces. It is specifically designed for Raspberry Pis and other ARM boards running Linux.

Variablur creates variable blur effects in a SwiftUI view using a mask. It supports gradient or progressive blurs, vignettes, and more.