Mike Stan- Growth Engineer, predictleads.comFullContact has a feature that enables teams to share contacts and view conversations. Not entirely what you're looking for but might be interesting.
Alternative products to ContactRescue
ContactRescue magically turns your email archives into a complete and up-to-date address book or CRM.
6 alternative and related products to ContactRescue
FullContact for iOS is a better contact management experience for your iPhone. It merges duplicates, updates contacts with social profiles, and keeps your Google Contacts, iPhone Contacts, Exchange Contacts, and iCloud Contacts in sync.
* Automatically enrich tweets that are posted into your social channel.
* Automatically enrich form submissions that post into your lead channels.
* Look up any email address to get a complete profile of that person.
* Look up any company domain to get a complete profile of that company.
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