Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
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.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Metadefender - Metadefender, by OPSWAT, allows you to quickly multi-scan your files for malware using 43 antivirus...
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
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.