HubSpot Sales Hub is designed to eliminate friction by bringing tools and data together on one platform. The solution boasts email tracking and templates, and call tracking & recording.
Lusha is a sales intelligence platform designed to help businesses get their next customers. The platform provides access to a compliant global database of companies and decision-makers, powered by insights from over 1.5 million users.
I do feel that Datanyze is expensive for what you are getting - you can cobble together the core offerings from a few cheaper solutions out there (built … com/BuiltWith/TryProspect combo is preferred for end-to-end "prospecting" - and likely cheaper in total.