50 Open Source Tools To Replace Popular Security Software

Replacing commercial security software with open source tools doesn’t always offer the prefect solution, yet can provide cost and flexibility advantages.
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While it's pretty painless to convert from commercial office software to an open source version, if you'd like to replace commercial security products with open source counterparts, you'll likely have to do some work.

You may need to combine several open source tools to get the functionality you get from a single commercial product. Or you may need to educate yourself about underlying technology before you find the open source applications usable.

However, open source security tools do offer a great deal of flexibility – not to mention cost advantages. If you want complete control over the way your network functions, having access to the source code gives you that ability.

For this list, we've compiled a set of open source security tools and their commercial counterparts. We're not suggesting that the open source apps have all the same features and use the same methods as the commercial products they can replace.

Instead, we're saying that they provide end users with some of the same benefits and deserve consideration, particularly as businesses small and large look for ways to stretch their budgets.

Open Source Tools: Anti-Spam, Anti-Virus/Anti-Malware, Anti-Spyware, Application Firewall, Backup, Browser Add-Ons. PAGE ONE.

Open Source Tools: Data Removal, Encryption. PAGE TWO.

Open Source Tools: File Transfer, Forensics, Gateway/Unified Threat Management Appliances, Intrusion Detection, Network Firewalls. PAGE THREE.

Open Source Tools: Network Monitoring, Password Crackers, Password Management, User Authentication, Web Filtering. PAGE FOUR.

Open Source Anti-Spam

1. ASSP Replaces Barracuda Spam and Virus Firewall

ASSP (short for "Anti-Spam SMTP Proxy") works with existing Exchange, Lotus Notes, or other SMTP servers to stop the delivery of spam. Note that this a product for organizations, not home users, so you will need to be fairly knowledgeable to use it. Unlike the commercial Barracude product, it's software, not a physical appliance, and it only stops spam, not viruses. Operating System: OS Independent.

Open Source Anti-Virus/Anti-Malware

2. ClamAV Replaces Avast! Linux Edition, VirusScan Enterprise for Linux

One of the best-known open source security software, ClamAv's anti-virus capabilities have earned it a stellar reputation. The version available at this site works on Linux/UNIX and is most suitable for larger organizations. Operating System: Linux.

3. ClamAV for Windows Replaces Panda Cloud Antivirus

Recently released, the official ClamAV for Windows is a partnership between SourceFire (the owner of ClamAV) and cloud-based security provider Immunet. Because it runs in the cloud, this anti-virus software doesn't drain system resources, and it's able to use community-based protection to improve security. And while both Panda Cloud Antivirus and ClamAV for Windows are free, only ClamAV has source code available. Operating System: Windows.

4. ClamWin Free Antivirus Replaces Kaspersky Anti-Virus, McAfee AntiVirus Plus, Norton Anti-Virus

Suitable for home users, this front-end for the ClamAV antivirus offers good protection from viruses and integrates into Windows Explorer and Microsoft Outlook. Unlike the commercial products, however, ClamWin doesn't automatically scan files in real time as you download them—you'll have to schedule a scan of your system or manually click on a file to scan it individually. Operating System: Windows.

Open Source Anti-Spyware

5. Nixory Replaces Webroot Spy Sweeper

Nixory works along with your existing firewall and anti-virus software to eliminate data-mining and spyware threats. While Spy Sweeper works with all browsers, Nixory is specifically designed for Firefox users. Operating System: OS Independent.

Open Source Application Firewall

6. AppArmor Replaces Barracuda Web Application Firewall, Citrix NetScaler Application Firewall.

Part of openSUSE and SUSE Linux Enterprise, Novell's application firewall uses policy-based profiles to control who can access various applications. This is not an appliance like the Barricuda product, but it does perform many of the same functions. Operating System: Linux.

7. ModSecurity Replaces Barracuda Web Application Firewall, Citrix NetScaler Application Firewall.

ModSecurity provides a wide range of protection for Web applications. While this site offers software, not hardware, you can also purchase an appliance similar to the Barracuda product from Breach Security. Operating System: OS Independent.

Open Source Backup

8. Areca Backup Replaces NovaBackup

While not as robust as some commercial backup utilities, Areca Backup does make it easy to backup selected files and folders with compression and encryption. It's not a disk-ghosting application, which would allow you to restore your system completely, but it does save important files so you can find them again. Operating System: Windows, Linux.

9. Partimage Replaces Norton Ghost, NovaBackup, McAfee Online Backup

Unlike Areca, Partimage does save files in a way that provides easy recovery after a crash. It's also part of the SystemRescuecd package that contains a number of other helpful tools to help get your system back up and running. However, it's only available for Linux. Operating System: Linux.

Open Source Browser Add-Ons

10. Web of Trust (WOT) Replaces McAfee SiteAdvisor Plus.

Very similar to the SiteAdvisor, this add-on for Firefox, Internet Explorer, or Chrome rates sites on their trustworthiness. When you use one of the major search engines, WOT will show you a red, green, or yellow circle, so you know whether or not the site is safe to visit. Operating System: Windows, Linux, OS X.

11. PasswordMaker Replaces Kaspersky Password Manager Roboform

PasswordMaker solves the problem of needing to create and remember multiple passwords. Although it works differently than the password managers listed above, it essentially solves the same problem. Operating System: Windows, Linux, OS X.

Open Source Tools: Anti-Spam, Anti-Virus/Anti-Malware, Anti-Spyware, Application Firewall, Backup, Browser Add-Ons. PAGE ONE.

Open Source Tools: Data Removal, Encryption. PAGE TWO.

Open Source Tools: File Transfer, Forensics, Gateway/Unified Threat Management Appliances, Intrusion Detection, Network Firewalls. PAGE THREE.

Open Source Tools: Network Monitoring, Password Crackers, Password Management, User Authentication, Web Filtering. PAGE FOUR.


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Tags: open source, Linux, security, open source tools, open source software


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