Based on our record, LeadIQ seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I would look into products like this - https://leadiq.com. Source: almost 2 years ago
Apollo.io - Apollo’s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
fruux - Free service that takes care of your contacts, calendars and more so you don't have to.
Hunter - Find all the email addresses related to a domain
FullContact - Put the power of full contact information into your web or mobile apps.
ZoomInfo - ZoomInfo is a B2B database providing detailed business information on people and companies.
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.