This is mentioned in the first paragraph of the article: > Its original developers took the service down and abandoned the project merely a few days after it l

This is mentioned in the first paragraph of the article: > Its original developers took the service down and abandoned the project merely a few days after it launched in 2014. But since the project was open source, other developers were able pick up where they left off, and it's been killed and revived a few more times ever since.