SendX.io - SendX (https://sendx.io) provides remarketing and retargeting tools for web businesses. You can use popups, landing pages, email, web push notification, automation workflows and FB / Google retargeting to drive more revenue.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Nova Inbox - Personalize emails in seconds, right from your inbox
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Mailblast - Email marketing on a budget using Amazon SES
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.