Advanced Micro Devices (AMD) Processor manufacturer. Founded May 1, 1969.  Wikipedia         
AOL Instant Messenger (AIM)  Released May 1997.  Wikipedia         
Certificate Revocation List (CRL) List of digital certificates that have been revoked by the issuing certificate authority (CA) before their scheduled expiration date and should no longer be trusted. Defined in RFC 5280 May 2008.  Wikipedia  RFC 5280       
CompTIA Security+  Released May 1, 2014.  Website         
EAP Flexible Authentication via Secure Tunneling (EAP-FAST) Designed to address the weaknesses of LEAP while preserving the "lightweight" implementation. Defined in RFC 4851 May 2007.  Wikipedia  RFC 4851       
HAF X Computer case made by Cooler Master. Released May 2010.  Website  YouTube (Cooler Master)       
iBook (Dual USB)  Released May 1, 2001.  Wikipedia         
JSON Web Encryption (JWE) Encryption using JSON-based data structures. Published May 2015.  RFC 7516         
Kin Failed phone attempt from Microsoft. Manufactured by Sharp. First released in May 2010.  Wikipedia         
Simple Network Management Protocol version 1 (SNMPv1) Community-based form of security. Able to access an agent's MIB as defined by ACLs and passwords. Offer minimal security features. (No encryption or authentication.) Defined in RFC 1157 May 1990.  Wikipedia  RFC 1157       
Space Exploration Technologies Corporation (SpaceX)  Founded May 2002.  Website  Wikipedia       
Visual Basic  First released May 1991.  Website  Wikipedia