Find verified contact info for your prospects on professional social networks and add them to your Less Annoying CRM with 1-click.
It worked well enough, but it's more expensive than my entire CRM and has low monthly usage limits.
https://onepagecrm.com
https://shieldapp.ai
https://breakcold.com
https://copper.com
https://getdex.com
https://linkmatch.com
https://attio.com
https://authoredup.com
Sellframe Ltd
https://folk.app
http://nimble.com/
Sellframe Ltd