Software Alternatives, Accelerators & Startups

Windows Defender

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Top 12 Open-Source Alternatives to Windows Defender

Wazuh ClamAV Brave Havoc Shield pfSense Let's Encrypt Suricata NextDNS Clonezilla OPNsense

Summary

The top open-source alternatives to Windows Defender are Wazuh, ClamAV, and Brave. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. 1
    Open Source Host and Endpoint Security
    Pricing:
    • Open Source

    #Security & Privacy #Security Information And Event Management (SIEM) #Cyber Security 49 social mentions

  2. 2
    Application and Data, Application Utilities, and Security
    Pricing:
    • Open Source

    #Cyber Security #Security & Privacy #Antivirus 5 social mentions

  3. 3
    Fast and secure, ad and tracker blocking browser.
    Pricing:
    • Open Source

    #Web Browsers #Web Development Tools #Web Tools 577 social mentions

  4. Cybersecurity built for startups and small business in an affordable, all-in-one suite of tools. Put a cybersecurity program in place in under a week to protect your business from ransomware and cybersecurity attacks.
    Pricing:
    • Open Source
    • Paid
    • Free Trial
    • $140.0 / Monthly (10 Users)

    #Cyber Security #Email Cybersecurity Solution #Penetration Testing 1 social mentions

  5. pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
    Pricing:
    • Open Source

    #Perimeter Security And Firewalls #Cyber Security #Network Security 10 social mentions

  6. Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
    Pricing:
    • Open Source

    #Identity And Access Management #Two Factor Authentication #Security & Privacy 312 social mentions

  7. Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.
    Pricing:
    • Open Source

    #Security & Privacy #Cyber Security #Tool 12 social mentions

  8. Block ads, trackers and malicious websites on all your devices.
    Pricing:
    • Open Source

    #Security & Privacy #Threat Detection And Prevention #Ad Blockers 499 social mentions

  9. Clonezilla is a suite of software that's designed to allow you to back-up and image new hard drives with your data.
    Pricing:
    • Open Source

    #Cyber Security #Backup & Restore #Antivirus 2 social mentions

  10. OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
    Pricing:
    • Open Source

    #Operating Systems #Linux #Perimeter Security And Firewalls 94 social mentions

  11. 11
    OSSEC is an Open Source Host-based Intrusion Detection System.
    Pricing:
    • Open Source

    #Security & Privacy #Cyber Security #Monitoring Tools 1 social mentions

  12. LibreAV is an attempt to detect malware on Android devices using a machine learning approach that is powered by TensorFlow.
    Pricing:
    • Open Source

    #Monitoring Tools #Cyber Security #Security & Privacy 2 social mentions

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