Hyperion is an in-app design review tool to inspect measurements, attributes, and animations. Hyperion is open source and sits on top of plugins, allowing you to add your own plugins and customize your toolset.
Hyperion for iOS is live on GitHub, Android forthcoming.
From the Roku team at WillowTree, Inc., introducing three open source tools designed to make BrightScript/Roku channel development a little better/faster/stronger. (Not so much on the "harder")
Wist - BrightScript linter
Hinoki - Language Server Protocol implementation for Wist
