Cuedd is described as 'next-generation user engagement platform that displays notification widgets to leverage social proof to build trust and convert your site visitors into sales'. There are more than 10 alternatives to Cuedd for a variety of platforms, including Online / Web-based, SaaS, Wordpress, Shopify and Self-Hosted solutions. The best alternative is NotificationX, which is both free and Open Source. Other great apps like Cuedd are Nudgify (Paid), ProveSource (Paid), mysocial.work (Freemium) and ProofGain (Freemium).
Credible enables you to present personalized customer reviews and actions as social proofs (such as sales, bookings, sign ups), so you can get more sales and customer actions, collect more reviews, and become more credible.
Funnel Base is a platform that helps to convert more visitors into subscribers and customers. It allows you to display different messages showing how many people using your website, who recently purchased or signed up for your service etc.