VxStream Sandbox - Network & Admin
URLscan.io - urlscan.io is a free service to scan and analyse websites. When a URL is submitted to urlscan.io, an automated process will browse to the URL like a regular user and record the activity that this page navigation creates.
CyberGordon - Aggregator of cyber reputation checks with more than 30 engines (threat intel sources)
Cuckoo Sandbox - Cuckoo Sandbox provides detailed analysis of any suspected malware to help protect you from online threats.
AbuseIPDB - AbuseIPDB is an IP address blacklist for webmasters and sysadmins to report IP addresses engaging in abusive behavior on their networks, or check the report history of any IP.
Joe Sandbox - Automated Malware Analysis - Development and Licensing of Automated Malware Analysis Tools to Fight Malware