Albacross - The world's first free B2B Lead Generation Network. Albacross help companies master their B2B digital marketing with Lead Generation and targeted marketing
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.
Leadberry - Leadberry is a web based B2B lead generation software that converts website visitors to sales leads. Powered by Google Analytics.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Leadfeeder - Leadfeeder converts your website visitors into sales. Connect your website's Google Analytics to Leadfeeder and unlock the power of seeing who`s visiting your site!
Nextcloud Contacts - The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.