Castle - The easiest way to protect your users from getting hacked
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
You've Got Spam - A new tool that lets you spam back the spammer
Live Chat by Landbot - Live chat that combines chatbots with human chat
Truecaller - Find a person by a name or phone number worldwide for free using Truecaller.
GoSquared Live Chat - Beautiful, simple, and free live chat for your website