Repositories list

• metro-extensions

  Public
  Square's specific extensions for Metro to make dependency injection easier.

  Kotlin

  •

  Apache License 2.0

  •11 fork•2323 stars•11 issue•44 pull requests•Updated Jun 12, 2026Jun 12, 2026

• retrofit

  Public
  A type-safe HTTP client for Android and the JVM

  androidjava

  androidjava

  HTML

  •

  Apache License 2.0

  •7.3k7.3k forks•44k44k stars•128128 issues•4242 pull requests•Updated Jun 12, 2026Jun 12, 2026

• wire

  Public

  square/wire’s past year of commit activity
  gRPC and protocol buffers for Android, Kotlin, Swift and Java.

  Kotlin

  •

  Apache License 2.0

  •614614 forks•4.4k4.4k stars•148148 issues•1010 pull requests•Updated Jun 11, 2026Jun 11, 2026

• okio

  Public

  square/okio’s past year of commit activity
  A modern I/O library for Android, Java, and Kotlin Multiplatform.

  kotlinkotlin-multiplatform

  kotlinkotlin-multiplatform

  Kotlin

  •

  Apache License 2.0

  •1.2k1.2k forks•9k9k stars•9393 issues•2121 pull requests•Updated Jun 11, 2026Jun 11, 2026

• Blueprint

  Public

  square/Blueprint’s past year of commit activity
  Declarative UI construction for iOS, written in Swift

  swiftuiuikit+ 3

  swiftuiuikitdeclarativesquaredeclarative-ui

  Swift

  •

  Apache License 2.0

  •5050 forks•705705 stars•1010 issues•55 pull requests•Updated Jun 11, 2026Jun 11, 2026

• kotlinpoet

  Public

  square/kotlinpoet’s past year of commit activity
  A Kotlin API for generating .kt source files.

  kotlincode-generationjavapoet

  kotlincode-generationjavapoet

  Kotlin

  •

  Apache License 2.0

  •311311 forks•4.1k4.1k stars•5757 issues•1414 pull requests•Updated Jun 11, 2026Jun 11, 2026

• workflow-kotlin

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

  androidkotlinworkflow+ 3

  androidkotlinworkflowreactiveuistate-machine

  Kotlin

  •

  Apache License 2.0

  •112112 forks•1.1k1.1k stars•143143 issues•2525 pull requests•Updated Jun 11, 2026Jun 11, 2026

• moshi

  Public
  A modern JSON library for Kotlin and Java.

  Kotlin

  •

  Apache License 2.0

  •804804 forks•10k10k stars•9393 issues•66 pull requests•Updated Jun 11, 2026Jun 11, 2026

• zstd-kmp

  Public
  Zstandard compression for Kotlin Multiplatform

  C++

  •

  Apache License 2.0

  •66 forks•113113 stars•55 issues•33 pull requests•Updated Jun 10, 2026Jun 10, 2026

• mobile-payments-sdk-react-native

  Public
  Mobile Payments SDK React Native Plug-in

  TypeScript

  •

  Apache License 2.0

  •66 forks•1313 stars•33 issues•2020 pull requests•Updated Jun 9, 2026Jun 9, 2026

• web-payments-quickstart

  Public
  Quickstart for using Square's Web Payments SDK

  HTML

  •

  Apache License 2.0

  •145145 forks•103103 stars•00 issues•1212 pull requests•Updated Jun 9, 2026Jun 9, 2026

• web-sdk

  Public
  Square Web SDK

  javascripttypescript

  javascripttypescript

  TypeScript

  •

  Apache License 2.0

  •1212 forks•2121 stars•11 issue•2323 pull requests•Updated Jun 9, 2026Jun 9, 2026

• squalor

  Public
  Go SQL utility library

  Go

  •

  Apache License 2.0

  •4444 forks•207207 stars•44 issues•22 pull requests•Updated Jun 9, 2026Jun 9, 2026

• okhttp

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

  androidkotlinjava+ 1

  androidkotlinjavagraalvm

  Kotlin

  •

  Apache License 2.0

  •9.3k9.3k forks•47k47k stars•7777 issues•3535 pull requests•Updated Jun 9, 2026Jun 9, 2026

• luks2crypt

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

  cryptoluksescrow+ 2

  cryptoluksescrowlibcryptsetupcrypt-server

  Go

  •

  GNU General Public License v3.0

  •1313 forks•4949 stars•77 issues•00 pull requests•Updated Jun 9, 2026Jun 9, 2026

• in-app-payments-flutter-plugin

  Public
  Flutter Plugin for Square In-App Payments SDK

  sdkpaymentpayments+ 5

  sdkpaymentpaymentssquareflutterpayment-formin-app-purchasein-app-payments

  Objective-C

  •

  Apache License 2.0

  •136136 forks•340340 stars•55 issues•77 pull requests•Updated Jun 8, 2026Jun 8, 2026

• mobile-payments-sdk-flutter

  Public
  Mobile Payments SDK Flutter Plug-in

  Dart

  •

  Apache License 2.0

  •1010 forks•1414 stars•33 issues•44 pull requests•Updated Jun 8, 2026Jun 8, 2026

• in-app-payments-react-native-plugin

  Public
  sdkpayment-formin-app-payments

  sdkpayment-formin-app-payments

  TypeScript

  •

  Apache License 2.0

  •5454 forks•130130 stars•1212 issues•2828 pull requests•Updated Jun 5, 2026Jun 5, 2026

• in-app-payments-ios-quickstart

  Public
  In-App Payments Quick Start Sample iOS App

  sdkquick-startin-app-payments

  sdkquick-startin-app-payments

  Swift

  •

  Apache License 2.0

  •1111 forks•3636 stars•00 issues•11 pull request•Updated Jun 4, 2026Jun 4, 2026

• in-app-payments-ios

  Public
  Public repository that hosts the Square In-App Payments SDK iOS binaries

  sdkpayment-formin-app-payments

  sdkpayment-formin-app-payments

  Objective-C

  •66 forks•1515 stars•1010 issues•11 pull request•Updated Jun 4, 2026Jun 4, 2026

• UsbSerial

  Public
  Usb serial controller for Android

  Java

  •

  MIT License

  •630630 forks•11 star•00 issues•00 pull requests•Updated Jun 4, 2026Jun 4, 2026

• Listable

  Public
  Declarative list views for iOS apps.

  iosdeclarativedeclarative-ui+ 2

  iosdeclarativedeclarative-uicollectionviewcollectionviewlayout

  Swift

  •

  Apache License 2.0

  •3333 forks•212212 stars•1313 issues•1111 pull requests•Updated Jun 4, 2026Jun 4, 2026

• invert

  Public
  🔃 Inverted view of your Project

  Kotlin

  •

  Apache License 2.0

  •33 forks•129129 stars•1515 issues•00 pull requests•Updated Jun 3, 2026Jun 3, 2026

• swift-syntax-prebuilt

  Public
  Shell

  •55 forks•1010 stars•11 issue•11 pull request•Updated May 29, 2026May 29, 2026

• square-dotnet-sdk

  Public
  .NET client library for the Square API

  sdkapi-client

  sdkapi-client

  C#

  •

  MIT License

  •3030 forks•7070 stars•11 issue•00 pull requests•Updated May 20, 2026May 20, 2026

• square-ruby-sdk

  Public
  Ruby client library for the Square API

  apiecommercesdk+ 4

  apiecommercesdkapi-clientpayment-processingsdk-rubycredit-card-payments

  Ruby

  •

  MIT License

  •4545 forks•7575 stars•00 issues•00 pull requests•Updated May 20, 2026May 20, 2026

• square-php-sdk

  Public
  PHP client library for the Square API

  sdk

  sdk

  PHP

  •

  MIT License

  •5353 forks•7575 stars•00 issues•00 pull requests•Updated May 20, 2026May 20, 2026

• square-java-sdk

  Public
  Java client library for the Square API

  sdkapi-client

  sdkapi-client

  Java

  •

  MIT License

  •3434 forks•6666 stars•00 issues•00 pull requests•Updated May 20, 2026May 20, 2026

• square-python-sdk

  Public
  Python client library for the Square API

  apiecommercesdk+ 4

  apiecommercesdkapi-clientpython-sdkpayment-processingcredit-card-payments

  Python

  •

  MIT License

  •4949 forks•114114 stars•00 issues•11 pull request•Updated May 20, 2026May 20, 2026

• square-nodejs-sdk

  Public
  Typescript client library for the Square API

  nodejstypescriptsquare+ 2

  nodejstypescriptsquaregenerated-from-openapibuilt-with-fern

  TypeScript

  •

  MIT License

  •4646 forks•111111 stars•11 issue•11 pull request•Updated May 20, 2026May 20, 2026