PDF Joiner - This online tool allows you to join several PDF documents into a single file, free of charge.
Knowbe4 - KnowBe4 provides Security Awareness Training to help you manage the IT security problems of social engineering, spear-phishing & ransomware.
PDFChef Merge PDF - PDFChef Merge PDF is an online tool that allows you to merge multiple PDf files into one quickly and securely.
PhishingBox - PhishingBox provides an easy-to-use employee phishing awareness training and testing platform to reduce the risk from phishing and other cyber attacks.
PDFill - Open, View, Edit, Save and Print PDF Documents without Adobe Acrobat
LUCY Security - LUCY Security is a security awareness software developed to increase the user awareness of all company’s employees, prevent data theft, and protect their information.