Open Source mswin_nt Firewall Software

Firewall Software for mswin_nt

Browse free open source Firewall software and projects for mswin_nt below. Use the toggles on the left to filter open source Firewall software by OS, license, language, programming language, and project status.

  • Integrate in minutes with our email API and trust your emails reach the inbox | SendGrid Icon
    Integrate in minutes with our email API and trust your emails reach the inbox | SendGrid

    Leverage the email service that customer-first brands trust for reliable inbox delivery at scale.

    Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption.
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    The CRM you’ll want to use every day

    With CRM, Sales, and Marketing Automation in one, Act! gives you everything you need for happier clients, more revenue, and less stress.

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