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100 Open Source Replacements for Popular Security Tools

Download open source anti-virus software, firewalls, email gateways, penetration testing tools, security-focused Linux distributions and more.
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The constant stream of news about the NSA and other government agencies spying on average citizens has more people than ever before concerned about privacy and security. While no one can guarantee you'll never be hacked, the open source community has a number of applications available that can help users protect their systems.

Whether you're worried about defending your home system from malware, safeguarding a corporate network from hackers or hiding your identity from a repressive government regime, open source tools are available to help. This month, we've put together a list of 100 such tools that can replace expensive closed source software. It includes a wide variety of free anti-virus, firewall, mail gateway, data loss prevention, penetration testing, encryption, content filtering and other applications that can replace expensive software.

As always, if you'd like to call attention to an open source security app that we missed in our list, feel free to make note in the comments section below.

Anti-Malware

1. ClamAV

Replaces VirusScan Enterprise for Linux, Kaspersky Anti-Virus, Norton AntiVirus

One of the most popular open source security applications, ClamAV has been incorporated into many different products and has been called "the de facto standard for mail gateway scanning." The core program works on UNIX-based systems, but the website also offers information on Immunet, a ClamAV-based Windows solution that is available in both free and paid versions. Operating System: Linux, but front-ends and additional versions are available for other OSes.

2. ClamTk

Replaces VirusScan Enterprise for Linux, Kaspersky Anti-Virus, Norton AntiVirus

This variation on ClamAV adds an easy-to-use GUI to the popular anti-virus engine. Now ten years old, this is a mature project that is included in many Linux distributions. Operating System: Linux.

3. ClamWin Free Antivirus

Replaces Kaspersky Anti-Virus, McAfee AntiVirus Plus, Norton Anti-Virus

This Windows-based version of ClamAV boasts more than 600,000 users. It offers a scanning scheduler, integration with Windows Explorer and Outlook, automatic downloads of the updated malware database and support for Windows 7 and 8. Operating System: Windows.

4. Clam Sentinel

Replaces Kaspersky Anti-Virus, McAfee AntiVirus Plus, Norton Anti-Virus

Clam Sentinel detects when new files have been added to your system and scans them with ClamWin, essentially adding real-time detection capabilities. Note that to use it you will need to install ClamWin as well. Operating System: Windows.

Backup

5. Amanda

Replaces Simpana Backup and Recovery , NetVault, HP Store Once

With more than a million users, Amanda claims to be "the most popular open source backup and recovery software in the world." It offers network backup for systems running all operating systems and can back up to tape, disk or the cloud. It's available in both free and paid versions, including the paid, cloud-based Zmanda service. Operating System: Windows, Linux, OS X.

6. Areca Backup

Replaces NovaBackup, aCarbonite, Acronis True Image, Genie Backup Manager

Areca provides a huge array of options for backing up standalone systems. Its noteworthy features include compression, encryption, source file filters, delta backup, support for all types of storage media, as-of-date recovery and more. Operating System: Windows, Linux.

7. BackupPC

Replaces Simpana Backup and Recovery , NetVault, HP Store Once

Built for enterprise users, BackupPC can backup multiple networked systems to disk. It utilizes unique compression and pooling technologies to limit the size and related cost of doing backups. Operating System: Windows, Linux

8. Bacula

Replaces Simpana Backup and Recovery , NetVault, HP Store Once

Bacula is a popular network backup solution for large organizations, and it also claims to be "by far the most popular Open Source program backup program." The link above will take you to the free, open source version; a paid enterprise version and support and services are available through Bacula Systems. Operating System: Windows, Linux, OS X.

9. Bareos

Replaces Simpana Backup and Recovery , NetVault, HP Store Once

Forked from Bacula in 2010, this project provides many of the same capabilities, but there has been some animosity between the two projects. Paid support and training are available through Bareos.com. Operating System: Windows, Linux, OS X.

10. Clonezilla

Replaces Norton Ghost, Acronis True Image, Genie Backup Manager

Useful for backup and recovery or system deployment purposes, Clonezilla is a partition- and disk-imaging solution. It comes in two flavors: Clonezilla live for single machines and Clonezilla SE (server edition) for cloning many networked systems simultaneously. Operating System: Windows, Linux, OS X.

11. Create Synchronicity

Replaces NovaBackup, aCarbonite, Acronis True Image, Genie Backup Manager

This tool for home users takes up just 220KB, making it one of the lightest weight and fastest backup options available. It's both easy to use and customizable. Operating System: Windows.

12. FOG

Replaces Norton Ghost, Acronis True Image, Genie Backup Manager

Similar to Clonezilla, FOG also does imaging/cloning for backup and systems deployment. At the time of writing, the main website was offline, but the application was still available through SourceForge at the link above. Operating System: Windows, Linux.

13. Partimage

Replaces Norton Ghost, Acronis True Image, Genie Backup Manager

Yet another open source imaging tool, Partimage makes it easy to backup a partition on your hard drive. Because it copies only used blocks of storage, it is faster than some similar backup and recovery applications. Operating System: Linux.

14. Redo

Replaces NovaBackup, aCarbonite, Acronis True Image, Genie Backup Manager

The website for this popular backup applications says it is the "easiest, most complete disaster recovery solution available." It can do a bare-metal restore in as fast as 10 minutes. Operating System: Linux.

15. UrBackup

Replaces Simpana Backup and Recovery , NetVault, HP Store Once

UrBackup uses a client-server architecture to backup networked systems. It's easy to use, supports multiple platforms, and offers an intuitive Web interface. Operating System: Windows, Linux.

Browsers

16. Tor Browser

Replaces Microsoft Internet Explorer

Built for those who are extremely concerned about privacy and security, Tor provides anonymous Web browsing by routing communication through a series of servers to make it difficult to track. It can run from a thumb drive, so you can take it with you for use on any system. Operating System: Windows, Linux, OS X.

17. Chromium

Replaces Microsoft Internet Explorer

While it doesn't offer the same kind of privacy protection as Tor, Chromium, the open source project behind the Chrome browser, includes several features designed to enhance security, such as sandboxing, fast patching of security vulnerabilities and advanced anti-phishing and anti-malware capabilities. Operating System: Windows, Linux, OS X.

18. Firefox

Replaces Microsoft Internet Explorer

Firefox has also been designed to be more secure than some other browsers. Its security features include instant website ID, private browsing, a do not track setting, anti-phishing and anti-malware capabilities, parental controls, automatic updates and more. Operating System: Windows, Linux, OS X.

19. Dooble

Replaces Microsoft Internet Explorer

Less well-known than some of the other open source browsers, Dooble was created in order to offer better privacy on the Web. It encrypts most of the information it saves, and it includes the option of automatically deleting cookies. Operating System: Windows, Linux, OS X

20. SRWare Iron

Replaces Microsoft Internet Explorer

Like Chrome, Iron is based on Chromium, so it offers the same performance and security benefits. Unlike Chrome, it doesn't transmit any information to Google, which enhances users' privacy and security. Operating System: Windows, Linux, OS X.


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Tags: open source, Linux, Security Software, privacy, NSA, Security Intelligence


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