I’m excited to share some tools that community members have recently created to help with extension development. If you’ve built something that could be helpful to others, please let us know by replying to this post!
The source code is viewable at https://github.com/web-ext-labs/create-web-ext.
A web interface for creating a directory structure for creating an extension.
The source code is available at https://github.com/web-ext-labs/ui-tool
This is a tool that can help tern-enabled editors understand and autocomplete WebExtensions code.