What is Electric and Gatsby?
These platforms have been created to build static pages and help developers to create amazing websites using an established Front End architecture.
So, what the status of this platforms?
Gatsby is maintained by a powerful community and it's made by super community-backed tools like React and GraphQL. Actually(November 2018) a lot of websites were built using this tool, check this link for Gatsby's showcase.
Electric was maintained by Liferay using some internal tools like Metal.js and Senna.js to be a sandbox for this tools. However, Liferay had discontinued this project due to internal decisions.
Therefore, Liferay decided to create a simple project to ease the experience to migrate a project from a discontinued project to an existing. Called Gatsby Boilerplate.