Closely is described as 'Enables automation in LinkedIn and email outreach campaigns, incorporates a vast B2B contact database, and transforms your LinkedIn network into a built-in CRM' and is an website. There are more than 50 alternatives to Closely, not only websites but also apps for a variety of platforms, including SaaS, Google Chrome, Mac and Windows apps. The best Closely alternative is Pubrio, which is free. Other great sites and apps similar to Closely are Contacts+ , Instantly.ai, Bearconnect and Chuff.