The following add-ons are concrete5 8.x compatible and passed the Peer Review Board.
Automatically invalidates the cache of one or more selected pages to prevent outdated content in index pages.
Automatically add structured data (JSON) to your video blocks to improve SEO.
Adds the Codesnippet plugin to CKEditor, ideal for developers and technical writers.
Integration with Mopinion, a third-party service to collect website feedback.
A simple and fast integration with cookiebot.com; an advanced GDPR compliant cookie solution.