Open Source Licenses

Last updated 27 May 2026

Circus is built using open source software. The following projects are used in our platform and are reproduced here in compliance with their respective license terms. Full license texts are available from each project’s repository.

Platform and infrastructure

Astro — MIT License — © The Astro Technology Company · Bun — MIT License — © Oven Inc. · Node.js — MIT License — © OpenJS Foundation and contributors · TypeScript — Apache License 2.0 — © Microsoft Corporation · PostgreSQL — PostgreSQL License — © The PostgreSQL Global Development Group

AWS SDK

@aws-sdk/client-s3 — Apache License 2.0 — © Amazon.com, Inc. or its affiliates · @aws-sdk/s3-request-presigner — Apache License 2.0 — © Amazon.com, Inc. or its affiliates

Mobile application

React — MIT License — © Meta Platforms, Inc. · React Native — MIT License — © Meta Platforms, Inc. · React Navigation — MIT License — © React Navigation contributors · Zustand — MIT License — © Paul Henschel and contributors · protobufjs — BSD 3-Clause License — © protobufjs contributors · @callstack/liquid-glass — MIT License — © Callstack, Inc. · @react-native-camera-roll/camera-roll — MIT License — © React Native Community · @react-native-clipboard/clipboard — MIT License — © React Native Community · @react-native-community/blur — MIT License — © React Native Community · @react-native-community/datetimepicker — MIT License — © React Native Community · @react-native-community/netinfo — MIT License — © React Native Community · @react-native-community/push-notification-ios — MIT License — © React Native Community · @react-native-firebase/app — Apache License 2.0 — © Invertase Ltd. · @react-native-firebase/messaging — Apache License 2.0 — © Invertase Ltd. · @shopify/flash-list — MIT License — © Shopify Inc. · @shopify/react-native-skia — MIT License — © Shopify Inc. · react-native-bootsplash — MIT License — © Mathieu Acthernoene · react-native-compressor — MIT License — © numandev1 · react-native-create-thumbnail — MIT License — © contributors · react-native-fs — MIT License — © Johannes Lumpe · react-native-gesture-handler — MIT License — © Software Mansion S.A. · react-native-get-random-values — MIT License — © Linus Unnebäck · react-native-image-crop-picker — MIT License — © Ivan Pusic · react-native-image-picker — MIT License — © React Native Community · react-native-keychain — MIT License — © Joel Arvidsson · react-native-linear-gradient — MIT License — © contributors · react-native-localize — MIT License — © Mathieu Acthernoene · react-native-mmkv — MIT License — © Marc Rousavy · react-native-nitro-image — MIT License — © Marc Rousavy · react-native-nitro-modules — MIT License — © Marc Rousavy · react-native-permissions — MIT License — © Mathieu Acthernoene · react-native-qrcode-svg — MIT License — © awesomejerry · react-native-quick-crypto — MIT License — © contributors · react-native-reanimated — MIT License — © Software Mansion S.A. · react-native-safe-area-context — MIT License — © contributors · react-native-screens — MIT License — © Software Mansion S.A. · react-native-share — MIT License — © contributors · react-native-svg — MIT License — © Horcrux · react-native-url-polyfill — MIT License — © contributors · react-native-vector-icons — MIT License — © Joel Oblak · react-native-video — MIT License — © react-native-video contributors · react-native-view-shot — MIT License — © Greg Bergé · react-native-webview — MIT License — © React Native Community · react-native-youtube-iframe — MIT License — © Lonian Lonakis · react-native-worklets — MIT License — © Marc Rousavy

To report a licensing concern: legal@circus.app