Square

okhttp

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

retrofit

A type-safe HTTP client for Android and the JVM

leakcanary

A memory leak detection library for Android.

picasso

A powerful image downloading and caching library for Android

javapoet

A Java API for generating .java source files.

moshi

A modern JSON library for Kotlin and Java.

okio

A modern I/O library for Android, Java, and Kotlin Multiplatform.

wire

gRPC and protocol buffers for Android, Kotlin, Swift and Java.

Valet

Valet lets you securely store data in the iOS, tvOS, or macOS Keychain without knowing a thing about how the Keychain works. It’s easy. We promise.

kotlinpoet

A Kotlin API for generating .kt source files.

anvil

A Kotlin compiler plugin to make dependency injection with Dagger 2 easier.

workflow

A Swift and Kotlin library for making composable state machines, and UIs driven by those state machines.

workflow-kotlin

A Swift and Kotlin library for making composable state machines, and UIs driven by those state machines.

certigo

A utility to examine and validate certificates in a variety of formats

radiography

Text-ray goggles for your Android UI.

Blueprint

Declarative UI construction for iOS, written in Swift

connect-api-examples

Code samples demonstrating the functionality of the Square Connect API

workflow-swift

A Swift and Kotlin library for making composable state machines, and UIs driven by those state machines.

gradle-dependencies-sorter

A CLI app and Gradle plugin to sort the dependencies in your Gradle build scripts

Listable

Declarative list views for iOS apps.

ruby-rrule

RRULE expansion for Ruby

luks2crypt

Manage linux luks client devices and escrow recovery keys to crypt-server

rbs_protobuf

exit

Semantic exit codes inspired by HTTP status codes

microsite

Micro websites for limited projects at square.github.io/microsite

terraform-provider-anomalo

perf

exoskeleton

site-theme-sdk

A lightweight, open source JavaScript SDK that wraps basic asynchronous functionality of Custom Site client APIs as well as additional helper functionality.

infer-keep-rules-android

A Gradle plugin that infers Proguard/R8 keep rules for androidTest sources.