DobbyDobby provides a few helpers for mocking and stubbing.License: Apache 2SwiftHeimdallrHeimdallr is an OAuth 2.0 client specifically designed for easy usage. It currently supports the resource owner password credentials grant flow, refreshing an access token as well as extension grants.License: Apache 2SwiftValueTransformerType-safe value transformers with error handlingLicense: MITSwift